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U.S. PATENT AND TRADEMARK OFFICE
Office of Electronic Information Products
Patent Technology Monitoring Division (PTMD)

Patenting In Technology Classes,
Breakout By Organization

Count of 1969 - 2004 Utility Patent Grants,
By Calendar Year of Grant
With Patent Counts Based on Primary Patent Classification

- Explanation of Data -

Rank Ordered Listing of Organizations Receiving 5 or More Utility Patents During the Period
Having Primary Classification In

Class 208, Mineral Oils: Processes and Products

( technology class is determined by the primary classification assigned to the patent- see 'Explanation of Data' )
( patent ownership is determined by the first-named assignee listed on a patent )

The following table displays first-named assignees and counts of their associated patents, as distributed by the year of patent grant
First-Named Assignee 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 Total
MOBIL OIL CORP. 13 19 15 14 24 32 41 25 40 30 20 33 43 30 41 65 51 41 32 37 50 77 72 27 30 66 34 15 24 7 14 7 10 2 1 2 1084
UOP 61 55 51 44 44 49 44 47 47 68 35 37 21 31 17 16 13 10 12 11 35 32 22 25 24 33 27 18 6 13 28 27 21 15 6 8 1053
EXXON RESEARCH + ENGINEERING CO. 37 40 34 39 29 39 34 24 50 37 34 33 44 38 38 62 49 40 23 16 21 24 21 12 24 32 15 9 14 19 44 31 25 4 1 1 1037
CHEVRON RESEARCH & TECHNOLOGY CO. 22 36 38 26 7 22 14 8 11 14 17 19 17 32 30 22 19 17 13 19 12 10 16 14 10 12 13 1 4 0 0 0 0 0 0 0 495
~Individually Owned Patent 11 6 11 26 8 19 14 14 14 17 18 13 19 13 18 18 7 7 4 4 14 14 7 10 3 10 5 16 6 6 14 8 7 5 7 4 397
PHILLIPS PETROLEUM COMPANY 15 14 9 12 5 7 10 6 5 8 15 10 20 17 25 15 27 20 24 19 14 8 6 4 4 2 5 2 3 6 6 10 4 11 3 0 371
TEXACO INC. 11 18 29 24 34 19 14 15 7 12 4 2 10 8 17 6 3 4 1 1 1 8 9 8 13 19 23 5 5 7 7 4 2 3 1 0 354
INSTITUT FRANCAIS DU PETROLE 3 0 2 2 3 3 5 4 5 1 8 8 2 3 8 5 8 2 5 10 4 6 9 2 2 1 9 5 2 5 18 26 23 19 15 13 246
SHELL OIL COMPANY 7 14 15 11 14 14 7 2 4 6 3 8 6 5 9 5 7 6 9 8 22 8 7 9 4 3 4 1 0 5 5 1 3 1 3 6 242
UNION OIL COMPANY OF CALIFORNIA 6 6 8 11 14 10 6 2 9 10 4 3 5 3 6 11 11 12 13 18 15 7 3 7 3 15 2 0 1 1 0 1 0 0 1 1 225
GULF RESEARCH AND DEVELOPMENT COMPANY 10 9 14 15 22 21 20 17 20 23 16 7 1 4 0 5 2 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 208
AMOCO CORPORATION 0 0 0 0 0 0 0 0 4 3 8 12 11 6 21 17 14 7 9 12 16 12 13 11 13 7 2 1 1 4 1 0 0 0 0 0 205
ATLANTIC RICHFIELD COMPANY 4 5 12 10 6 14 4 8 9 7 10 7 15 11 0 8 5 2 1 2 3 3 1 1 1 3 0 1 0 0 2 0 1 1 0 0 157
ASHLAND OIL INC. 1 1 0 5 2 2 1 1 0 3 0 4 1 4 17 17 12 8 3 4 2 4 1 3 2 3 1 0 0 0 0 0 0 0 0 0 102
CONOCO, INC. 1 1 2 1 2 1 2 2 4 6 9 3 5 3 3 6 3 2 2 3 2 6 7 5 2 0 1 4 2 1 0 1 1 0 0 0 93
EXXONMOBIL RESEARCH AND ENGINEERING COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 7 16 36 25 85
SUN OIL COMPANY OF PENNSYLVANIA 6 13 13 14 13 11 8 3 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 82
BETZ LABORATORIES INC. 2 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 1 2 3 8 7 6 5 12 13 6 1 3 0 0 0 0 0 0 0 0 71
CHEVRON U.S.A. INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 10 4 5 5 5 8 14 14 69
STANDARD OIL CORPORATION (INDIANA) 1 5 9 12 10 9 6 9 3 0 0 0 0 0 0 0 2 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 67
HYDROCARBON RESEARCH INC. 2 7 6 5 8 8 5 7 2 2 1 4 0 3 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 63
UNION CARBIDE CORPORATION 2 0 1 3 8 2 0 3 3 0 4 1 1 3 3 3 4 4 3 11 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 62
THE BRITISH PETROLEUM COMPANY P.L.C. 6 9 3 4 3 6 5 2 4 3 0 1 0 1 0 1 0 1 2 1 5 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 60
INTEVEP, S.A. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 6 6 2 4 2 1 0 2 1 1 1 2 3 6 2 2 1 2 2 49
W. R. GRACE & CO.-CONN. 1 0 0 2 1 4 4 4 0 0 1 0 0 0 2 0 0 0 0 1 2 3 0 2 0 6 1 3 1 0 0 4 1 3 3 0 49
LUMMUS COMPANY 1 3 5 1 3 3 1 3 2 3 3 6 1 4 2 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 45
NIPPON OIL COMPANY LTD. 0 2 1 0 2 3 0 1 2 0 1 1 0 1 0 4 4 3 1 0 3 2 1 0 0 2 2 1 1 1 3 1 0 0 0 0 43
EXXON CHEMICALS PATENTS INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 2 0 2 3 3 3 2 3 3 1 0 2 5 6 3 0 0 0 41
UNITED STATES OF AMERICA, DEPARTMENT OF ENERGY 0 0 0 0 0 0 0 1 2 3 2 2 4 3 2 1 6 2 3 2 2 1 3 1 0 0 0 0 0 0 0 0 0 0 0 0 40
NALCO CHEMICAL COMPANY 2 1 0 1 1 0 0 1 5 1 1 2 0 0 0 1 1 3 0 1 2 1 1 3 1 4 2 0 2 1 0 1 0 0 0 0 39
KERR-MCGEE CORPORATION 0 0 3 1 0 0 0 0 1 7 9 3 1 1 2 0 0 1 1 1 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 33
STANDARD OIL COMPANY 0 0 1 1 0 0 0 2 0 1 5 1 1 2 0 1 4 1 0 1 4 0 3 2 1 2 0 0 0 0 0 0 0 0 0 0 33
STONE + WEBSTER ENGINEERING CORPORATION 0 0 0 0 0 1 0 0 0 0 0 0 2 4 0 1 4 3 1 1 1 1 1 2 1 1 1 0 0 3 1 0 0 0 0 0 29
ENGELHARD CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5 0 3 1 3 3 1 4 1 1 0 1 0 0 0 1 0 1 0 1 2 28
KUREHA CHEMICAL INDUSTRY CO., LTD. 0 0 2 3 4 2 3 2 3 2 0 2 2 1 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 28
MARATHON OIL COMPANY 1 1 1 2 5 1 0 2 1 0 1 0 1 1 0 0 4 2 0 0 0 0 1 0 0 0 0 0 0 0 1 0 1 0 0 1 27
AIR PRODUCTS AND CHEMICALS, INC. 0 2 0 0 0 0 0 1 0 1 0 1 0 1 4 3 2 5 2 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 23
HRI, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 7 4 2 0 0 6 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 23
CITIES SERVICE RESEARCH AND DEVELOPMENT COMPANY 1 6 6 2 0 2 2 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 22
SINCLAIR RESEARCH INC. 8 13 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 21
DOW CHEMICAL COMPANY 0 0 0 2 2 1 0 0 1 4 3 0 1 0 0 1 1 1 0 0 1 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 20
ENGELHARD MINERALS & CHEMICALS CORPORATION 0 0 1 0 0 0 0 1 0 1 0 1 7 7 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 20
INTERNATIONAL COAL REFINING COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7 1 10 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 20
OCCIDENTAL RESEARCH CORPORATION 0 0 0 0 0 0 0 0 0 0 0 2 4 11 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 19
TOTAL RAFFINAGE DISTRIBUTION S.A 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 2 2 2 3 1 1 1 2 3 19
CATALYTIC DISTILLATION TECHNOLOGIES 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 1 2 2 7 1 2 18
GREAT CANADIAN OIL SANDS LIMITED 2 4 3 0 1 0 2 3 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 18
HER MAJESTY THE QUEEN IN RIGHT OF CANADA, AS REPRESENTED BY THE MINISTER OF ENERGY, MINES AND RESOURCES CANADA 0 0 0 0 0 0 0 0 0 3 1 1 1 0 2 1 0 1 0 0 0 0 0 3 0 4 0 1 0 0 0 0 0 0 0 0 18
LUMMUS CREST INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 4 2 2 3 3 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 18
TOA NENRYO KOGYO KABUSHIKI KAISHA 0 0 0 0 0 1 1 1 1 0 0 3 1 1 1 2 3 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 18
CHEVRON CHEMICAL COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 7 4 3 1 0 0 0 0 17
IDEMITSU KOSAN COMPANY LIMITED 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 1 0 0 1 0 0 0 0 4 1 1 0 1 1 0 2 3 0 0 17
LINDE AKTIENGESELLSCHAFT 0 0 1 0 0 0 0 0 0 0 0 2 4 2 2 0 1 1 0 0 0 1 1 0 0 0 1 0 0 1 0 0 0 0 0 0 17
CHIYODA CHEMICAL ENGINEERING & CONSTRUCTION CO., LTD. 0 0 0 0 0 0 0 0 2 1 3 1 0 1 1 3 3 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 16
CITIES SERVICE COMPANY 1 0 1 1 1 0 0 3 5 1 0 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 16
METALLGESELLSCHAFT AKTIENGESELLSCHAFT 0 0 1 0 0 0 1 0 0 1 1 1 2 1 3 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 16
NALCO/EXXON ENERGY CHEMICALS, L.P 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 4 5 4 0 0 2 0 0 16
AKZO NOBEL NV 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 2 2 0 2 1 4 2 15
BASF AKTIENGESELLSCHAFT 1 0 3 0 0 0 0 0 0 1 0 0 0 0 1 2 0 0 0 1 0 1 0 2 0 0 0 0 0 0 0 0 2 0 0 1 15
E. I. DU PONT DE NEMOURS AND COMPANY 0 3 0 1 0 0 0 0 0 0 0 0 1 0 0 0 7 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 15
EXXONMOBIL CHEMICAL PATENTS INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 1 6 5 15
GULF OIL CORPORATION 0 1 0 1 0 1 0 1 0 0 3 8 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 15
IMPERIAL CHEMICAL INDUSTRIES PLC 0 0 0 0 1 2 1 0 0 0 0 2 0 1 0 0 0 1 0 1 0 1 0 1 1 0 0 0 0 0 2 0 1 0 0 0 15
BAKER HUGHES INCORPORATED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 1 0 1 2 1 2 3 1 0 0 0 14
BETZDEARBORN INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6 3 1 2 1 1 0 0 14
COAL INDUSTRY (PATENTS) LIMITED 0 0 1 0 0 0 0 2 3 1 0 0 0 1 0 1 3 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 14
M. W. KELLOGG COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 2 0 0 1 0 0 0 0 2 0 0 1 5 1 0 0 0 0 14
RUTGERSWERKE AG 0 0 0 1 1 0 0 0 0 0 0 0 1 0 1 4 0 1 0 1 2 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 14
COMPAGNIE FRANCAISE DE RAFFINAGE 0 0 0 1 0 1 1 0 0 1 2 3 0 2 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 13
ELECTRIC POWER RESEARCH INSTITUTE, INC. 0 0 0 0 0 0 0 0 0 1 2 2 2 0 5 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 13
MITSUBISHI OIL CO., LTD. 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 4 0 1 1 1 1 0 0 0 0 0 2 0 0 1 1 0 0 0 0 0 13
ABB LUMMUS GLOBAL INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 4 0 2 0 1 1 2 1 12
COMPAGNIE DE RAFFINAGE ET DE DISTRIBUTION TOTAL FRANCE 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6 0 3 0 2 1 0 0 0 0 0 0 0 0 0 0 12
PROPORTIONAL ASSIGNMENTS 0 2 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12
ASAHI KASEI KOGYO KABUSHIKI KAISHA 0 0 1 0 1 3 1 0 0 0 0 0 0 0 1 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 11
MARATHON ASHLAND PETROLEUM LLC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 1 5 0 1 11
PETROLEO BRASILEIRO S.A. PETROBRAS 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 1 0 0 1 0 0 1 0 0 0 1 0 0 2 1 0 2 0 11
PETROLITE CORPORATION 0 1 2 0 0 0 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 1 1 0 2 1 0 0 0 0 0 0 0 0 0 0 11
TOSCO CORPORATION 0 1 2 1 0 0 1 0 0 0 0 1 0 1 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 11
UNITED STATES OF AMERICA, DEPARTMENT OF THE INTERIOR 1 2 1 0 1 2 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 11
AGENCY OF INDUSTRIAL SCIENCE & TECHNOLOGY 0 0 0 1 0 0 0 0 0 0 0 1 2 0 1 1 0 1 0 1 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 10
CHINA PETROCHEMICAL DEVELOPMENT CORP. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 1 1 1 3 0 2 10
INSTITUTE OF GAS TECHNOLOGY 0 0 0 0 0 0 0 0 1 0 0 0 1 1 0 1 0 1 1 0 0 1 0 1 0 1 0 1 0 0 0 0 0 0 0 0 10
KERR-MCGEE REFINING CORPORATION 0 0 0 0 0 0 0 0 0 1 0 1 5 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10
MARUZEN PETROCHEMICAL CO., LTD. 0 0 0 0 0 0 0 1 2 0 1 0 0 0 0 0 0 0 1 0 1 1 0 1 1 0 0 0 0 1 0 0 0 0 0 0 10
NIPPON MINING CO., LTD. 0 1 0 0 0 0 1 0 2 0 0 1 1 0 0 0 0 0 0 1 0 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 10
OCCIDENTAL PETROLEUM CORPORATION 0 0 0 0 0 0 0 0 0 4 3 1 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10
RUHRKOHLE AG 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 2 3 1 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 10
SOCIETE FRANCAISE DES PRODUITS POUR CATALYSE PRO-CATALYSE 0 0 0 0 0 0 2 0 0 0 0 2 1 0 2 0 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10
SUNTECH, INC. 0 0 0 0 0 0 0 0 1 2 0 2 2 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10
UNIVERSITY OF UTAH 0 0 0 0 0 0 0 0 0 1 2 0 1 1 1 2 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 10
ALLIED-SIGNAL INC. 1 0 0 0 1 0 0 0 0 0 0 1 0 0 0 1 1 0 2 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 9
CANADA-CITIES SERVICE LTD. 0 0 3 0 3 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9
EDELEANU GESELLSCHAFT M.B.H. 0 0 1 2 2 1 0 1 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9
FUJI STANDARD RESEARCH KABUSHIKI KAISHA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 3 4 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9
HALDOR TOPSOE A/S 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 2 0 1 3 0 9
MEMBRANE TECHNOLOGY & RESEARCH, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 6 1 1 0 9
NIPPON MITSUBISHI OIL CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 5 0 1 1 9
PETRO-CANADA EXPLORATION INC. 0 0 0 0 0 0 0 0 0 1 2 1 0 0 1 2 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9
PITTSBURG & MIDWAY COAL MINING CO. 0 0 0 0 0 0 0 0 0 0 0 0 0 5 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9
PULLMAN, INCORPORATED 0 2 1 0 0 0 2 0 1 1 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9
RESEARCH ASSOCIATION FOR RESIDUAL OIL PROCESSING 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 1 1 1 0 0 1 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 9
ALBERTA OIL SANDS TECHNOLOGY & RESEARCH AUTHORITY 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 1 0 0 0 0 0 0 0 0 0 1 0 1 1 0 1 0 0 0 1 0 8
AMERICAN CYANAMID COMPANY 0 0 0 0 0 1 2 1 2 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8
BERGWERKSVERBAND GMBH 0 0 0 0 0 0 0 0 0 1 0 3 1 1 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 8
CANADIAN PATENTS AND DEVELOPMENT LTD. 0 0 0 0 0 0 0 0 2 0 1 0 0 0 0 0 1 0 2 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8
CONOCOPHILLIPS COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 5 8
DEUTSCHE TEXACO AKTIENGESELLSCHAFT 0 0 0 0 0 2 0 2 2 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8
LABOFINA S.A. 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 3 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8
ROCKWELL INTERNATIONAL CORPORATION 0 0 0 0 1 0 0 0 0 1 0 1 2 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8
AKZO N.V. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 2 1 0 1 2 0 0 0 0 0 0 0 0 0 0 0 7
ALBERTA ENERGY COMPANY LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 1 0 1 1 0 0 0 0 2 0 0 0 0 0 7
CARBON FUELS CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 2 2 0 0 0 0 0 0 0 0 0 0 0 7
DRAVO CORPORATION 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
KRUPP KOPPERS GMBH 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 1 1 0 1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 7
MITSUBISHI GAS-CHEMICAL COMPANY, INC. 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 1 1 0 1 0 0 1 0 0 0 0 0 7
ORMAT INDUSTRIES, LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 2 1 0 1 7
OSAKA GAS COMPANY, LIMITED 0 0 0 1 0 1 0 1 1 0 0 0 0 0 0 0 0 0 1 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 7
SNAM PROGETTI S.P.A. 0 0 0 1 2 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 7
VEBA OEL ENTWICKLUNGS-GESELLSCHAFT MBH 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 2 0 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
WITCO CHEMICAL CORPORATION 1 0 1 0 0 0 1 0 1 1 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
ABB LUMMUS CREST, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 2 1 1 0 0 0 0 0 0 0 0 0 6
AEC OIL SANDS, L.P. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 0 2 6
AGENCE NATIONALE DE VALORISATION DE LA RECHERCHE (ANVAR) 0 0 0 1 2 1 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
ASHLAND INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 2 1 0 0 0 0 0 0 6
BP AMOCO CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 4 0 0 0 0 6
BP CORPORATION NORTH AMERICA INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 4 6
CHEVRON CHEMICAL COMPANY LLC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 2 0 0 0 6
COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 1 0 0 0 1 1 6
DELTA CENTRAL REFINING, INC. 0 0 0 0 0 0 0 0 0 0 0 0 1 2 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
ELF FRANCE 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 2 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 6
ENIRICERCHE S.P.A. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 1 1 0 0 0 1 0 0 0 0 0 6
GREAT LAKES CARBON CORPORATION 0 0 1 1 0 0 0 0 0 0 0 0 0 2 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
GULF CANADA LIMITED 0 0 0 0 0 0 0 0 2 0 0 0 2 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
KOBE STEEL LTD. 0 0 0 0 0 0 0 0 0 0 1 1 0 1 0 0 0 1 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 6
LUBRIZOL CORPORATION 0 0 0 0 0 0 0 0 2 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 1 0 0 6
MITSUBISHI CHEMICAL INDUSTRIES LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 3 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
MITSUI ENGINEERING AND SHIPBUILDING CO., LTD. 0 0 0 0 0 0 2 1 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 6
NL INDUSTRIES INC. 0 0 0 0 0 0 1 2 1 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 1 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 6
SUN RESEARCH AND DEVELOPMENT COMPANY 0 0 0 0 4 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
TEXACO CANADA RESOURCES, LTD. 0 0 0 0 0 0 0 0 0 0 0 0 3 0 2 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
TEXACO DEVELOPMENT CORPORATION 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 6
ALLIS-CHALMERS CORPORATION 0 0 2 1 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
BATTELLE MEMORIAL INSTITUTE 0 0 0 0 0 0 0 0 1 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 5
CATALYSTS & CHEMICALS INDUSTRIES CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 1 0 0 0 0 0 0 1 0 1 0 0 0 0 0 5
CHEVRON PHILLIPS CHEMICAL COMPANY LP 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 3 5
COSDEN TECHNOLOGY, INC. 0 0 0 0 0 0 0 0 0 0 2 2 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
DEUTSCHE GOLD- UND SILBER-SCHEIDEANSTALT VORMALS ROESSLER 1 1 0 0 0 0 0 0 0 0 0 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
FINA RESEARCH S.A. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 1 1 0 1 0 0 0 0 5
FOSTER WHEELER USA CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 5
HYDROCARBON TECHNOLOGIES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 2 0 0 1 5
JAPAN ENERGY CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 1 2 0 5
KOA OIL CO., LTD. 0 0 0 0 0 0 0 0 0 1 0 1 0 0 1 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
MERICHEM COMPANY 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 5
MIAMI UNIVERSITY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 3 1 0 0 5
MITSUBISHI JUKOGYO KABUSHIKI KAISHA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
MONSANTO COMPANY, INC. 1 1 1 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
PARAHO CORPORATION 0 0 0 0 1 1 0 0 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
SUMITOMO METAL INDUSTRIES CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 5
SUN COMPANY, INC (R&M) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 3 0 0 0 0 0 0 0 0 5
UNIPURE CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 0 2 0 0 5
USX CORPORATION 1 1 0 0 1 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5


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