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U.S. PATENT AND TRADEMARK OFFICE
Patent Technology Monitoring Team (PTMT)

Extended Year Set - Patenting In Technology Classes,
Breakout By Organization

Count of 1969 - 2012 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 507, Earth Boring, Well Treating, and Oil Field Chemistry

( 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 2005 2006 2007 2008 2009 2010 2011 2012 Total
HALLIBURTON ENERGY SERVICES, 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 1 2 3 5 6 3 12 11 14 16 16 16 47 51 46 29 278
SCHLUMBERGER TECHNOLOGY 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 3 0 5 4 8 5 12 11 4 8 10 12 10 26 24 12 154
~INDIVIDUALLY OWNED PATENT 1 3 1 2 2 1 1 1 1 3 0 1 1 0 4 2 8 4 4 3 5 2 2 5 2 1 1 1 3 7 5 3 1 5 6 11 8 2 1 1 9 7 4 3 138
BAKER HUGHES INCORPORATED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 1 4 0 0 0 1 5 1 3 3 5 2 4 2 5 6 5 4 8 16 26 14 118
HALLIBURTON CO. 0 0 2 1 2 1 2 0 3 2 3 7 4 11 7 14 17 5 4 2 2 2 4 1 2 3 5 3 4 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 116
PHILLIPS PETROLEUM COMPANY 3 2 3 2 0 1 2 3 3 6 4 5 5 1 2 10 8 3 4 3 1 0 3 2 1 0 6 7 2 3 1 2 0 0 0 0 0 0 0 0 0 0 0 0 98
TEXACO INC. 0 7 5 8 2 1 5 6 6 6 3 11 4 5 2 7 4 2 1 0 3 2 0 1 0 1 1 0 1 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 96
M-I L.L.C 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 5 0 2 0 2 10 3 6 10 5 10 10 9 10 82
DOW CHEMICAL COMPANY 2 1 0 3 4 2 4 8 3 2 2 1 5 4 2 6 6 0 1 7 3 4 1 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 73
UNION OIL COMPANY OF CALIFORNIA 0 0 1 3 5 0 2 6 8 6 0 2 0 0 0 1 0 0 0 2 1 1 4 1 4 0 1 1 4 1 1 5 1 0 0 0 0 0 0 0 0 0 0 0 61
MOBIL OIL CORP. 0 0 0 0 0 0 0 0 0 6 3 2 1 6 2 9 6 4 1 2 0 0 5 2 0 2 1 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 55
SHELL OIL COMPANY 0 2 0 2 1 2 2 6 1 1 0 1 2 1 0 1 1 3 1 1 3 3 4 0 4 0 1 0 3 1 0 1 0 0 0 0 0 0 2 1 1 3 0 0 55
BJ SERVICES CO 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 1 0 1 2 0 5 3 2 3 3 2 5 3 1 9 4 0 0 47
EXXON RESEARCH + ENGINEERING CO. 1 0 1 2 0 1 1 0 0 1 0 0 1 1 1 14 3 3 1 0 0 1 2 5 0 0 0 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 44
NALCO CHEMICAL COMPANY 4 1 4 0 0 0 1 1 1 0 1 0 0 0 0 0 3 0 1 3 1 0 5 4 3 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 34
MARATHON OIL COMPANY 0 1 0 1 1 2 3 5 3 0 2 1 0 0 3 0 0 0 2 1 0 1 1 0 0 0 0 0 1 2 0 1 0 0 0 0 0 0 0 0 0 0 0 0 31
NL INDUSTRIES INC. 0 1 0 2 1 0 0 0 1 0 0 0 4 2 4 6 2 4 3 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 31
HENKEL KOMMANDITGESELLSCHAFT AUF AKTIEN (HENKEL KGAA) 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 3 1 2 1 4 5 3 1 2 0 1 2 2 0 0 0 0 0 0 0 0 0 0 0 28
PETROLITE CORPORATION 3 2 1 1 2 0 0 0 1 0 1 0 0 7 1 0 3 1 0 1 0 0 0 2 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 27
INSTITUT FRANCAIS DU PETROLE 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 1 0 0 0 1 1 1 0 0 0 3 3 2 1 2 0 1 2 0 0 4 0 0 2 0 0 26
W. R. GRACE & CO.-CONN. 0 0 0 0 0 0 0 0 0 0 0 1 2 6 2 9 1 2 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 25
E. I. DU PONT DE NEMOURS AND COMPANY 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 2 0 2 1 0 2 0 2 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 11 0 2 24
TEXAS UNITED CHEMICAL COMPANY, LLC. 0 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 0 1 4 5 1 1 1 1 1 1 1 1 2 0 0 0 1 0 23
ATLANTIC RICHFIELD COMPANY 0 0 0 0 1 4 0 1 0 0 0 0 0 0 2 0 0 0 1 0 0 0 1 1 0 2 0 0 0 1 4 2 1 0 1 0 0 0 0 0 0 0 0 0 22
LUBRIZOL CORPORATION 0 0 0 1 0 0 0 0 1 0 0 1 1 0 0 0 0 1 0 0 0 0 1 0 1 2 0 0 5 4 0 0 0 0 0 0 0 0 0 0 0 1 1 0 20
CLEARWATER INTERNATIONAL 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 0 0 0 0 0 1 1 0 2 1 2 2 7 3 19
EXXON PRODUCTION RESEARCH COMPANY 0 0 0 0 2 1 0 0 0 0 0 1 1 2 1 1 4 1 0 0 0 0 0 0 3 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 19
INTEVEP, 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 0 0 0 2 1 2 0 0 0 1 2 0 0 0 0 1 3 4 3 19
MILCHEM INCORPORATED 1 1 0 1 6 1 2 0 0 0 0 1 2 0 0 0 1 1 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 0 19
TEXACO DEVELOPMENT CORPORATION 0 0 0 0 0 0 0 0 0 0 0 9 3 4 2 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 19
AMOCO CORPORATION 0 0 0 0 0 0 0 0 0 2 2 2 5 2 0 0 1 0 0 1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 17
NALCO 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 0 1 0 0 0 2 0 0 9 5 17
CALGON CORPORATION 1 1 2 0 0 0 1 5 1 1 0 1 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 16
DOWELL SCHLUMBERGER INCORPORATED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 5 1 3 0 0 0 1 0 0 0 3 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 16
DRESSER INDUSTRIES, INC. 0 1 0 2 0 1 1 1 1 0 0 1 0 1 0 0 1 1 2 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 15
CHEVRON RESEARCH & TECHNOLOGY CO. 0 0 1 1 0 1 0 2 1 0 0 0 1 0 0 0 0 0 0 0 0 1 2 3 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 14
CONOCO, INC. 1 0 0 0 0 1 2 2 1 0 0 1 1 0 0 1 0 0 1 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 13
BP EXPLORATION OPERATING COMPANY LIMITED 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 1 2 0 1 1 0 0 3 0 0 2 1 12
EXXON CHEMICALS PATENTS INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 1 1 2 2 2 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12
SUN DRILLING PRODUCTS CORP. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 2 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 3 1 2 12
VENTURE INNOVATIONS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 3 1 0 0 0 0 0 0 2 0 3 1 1 0 0 0 0 0 0 0 0 0 12
HERCULES INCORPORATED 1 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 1 1 0 1 11
WESTERN COMPANY OF NORTH AMERICA 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 1 1 0 0 0 0 0 3 1 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 11
AIR PRODUCTS AND CHEMICALS, INC. 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 2 2 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 10
AMOCO PRODUCTION COMPANY 0 0 0 1 3 2 2 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 0 0 0 0 0 0 0 9
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 0 0 1 3 1 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9
EXXONMOBIL UPSTREAM RESEARCH 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 0 1 0 0 1 2 1 0 1 3 9
GEORGIA-PACIFIC CORPORATION 1 2 0 2 0 0 0 1 0 0 0 0 0 2 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 9
STANDARD OIL COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 2 2 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 9
VENTURE CHEMICALS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 1 0 1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 9
3M INNOVATIVE PROPERTIES 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 1 0 0 0 1 1 0 0 1 1 0 2 8
ALPINE MUD PRODUCTS 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 0 0 0 0 4 0 4 0 0 0 0 0 0 8
BASF SE 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 0 0 0 0 0 0 1 1 3 3 8
GREAT LAKES CHEMICAL CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 3 1 1 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 8
MAGNA CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 1 6 0 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 0 0 8
PAN AMERICAN PETROLEUM CORPORATION 2 0 5 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 0 0 0 0 0 0 0 0 0 0 0 0 0 8
PFIZER INC. 0 0 0 0 0 0 0 0 0 1 0 0 0 1 1 1 0 1 2 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
STANDARD OIL CORPORATION (INDIANA) 0 0 0 1 0 0 0 1 0 2 0 0 0 0 0 2 1 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 8
UOP 0 1 1 0 1 0 0 0 0 0 0 0 0 1 2 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 0 0 0 0 8
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 0 0 0 0 0 0 1 0 1 0 1 1 0 0 0 0 0 3 7
AMERICAN COLLOID COMPANY 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 2 1 1 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
BAROID TECHNOLOGY, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 0 0 0 0 0 0 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 7
CLARIANT GMBH 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 0 1 2 2 0 1 0 0 0 0 0 0 0 7
CLEARWATER, 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 2 3 1 1 0 0 0 0 0 0 0 0 0 0 0 0 7
DIAMOND SHAMROCK CHEMICALS CO. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 0 2 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 7
DORF KETAL SPECIALITY CATALYSTS, 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 0 0 0 0 0 0 0 0 0 0 0 0 2 5 7
ELEMENTIS SPECIALTIES, 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 1 0 0 0 0 0 1 0 1 3 1 7
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 0 0 1 5 1 0 0 0 0 0 0 0 0 7
HOECHST AKTIENGESELLSCHAFT 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 3 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
MERCK + CO., INC. 0 0 0 0 0 0 0 2 1 0 0 0 0 1 0 0 0 1 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 7
UNION CARBIDE CORPORATION 0 0 0 0 0 0 1 0 0 0 0 1 1 0 0 1 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 7
UNIVERSITY OF TEXAS 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 0 0 0 0 0 0 1 2 1 3 7
ZIRCONIUM TECHNOLOGY CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 5 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
BENCHMARK RESEARCH AND TECHNOLOGY, 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 0 0 0 0 2 0 0 3 0 0 0 0 0 0 0 0 6
CHEMICAL ADDITIVES COMPANY 0 0 0 0 0 0 1 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 0 0 0 0 0 0 0 6
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 1 1 0 1 0 0 2 0 0 1 0 0 6
CIBA-GEIGY CORPORATION 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 2 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
DOWELL, A DIVISION OF SCHLUMBERGER TECHNOLOGY 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 2 0 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0 6
EMERY OLEOCHEMICALS GMBH 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 0 0 0 0 0 0 0 2 0 4 6
FMC CORPORATION 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 3 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 6
GAF CHEMICALS CORPORATION 0 0 0 1 1 0 0 0 0 0 0 0 0 0 2 0 1 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 0 0 6
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 0 0 3 2 0 0 0 0 0 0 0 0 0 0 0 0 6
OIL BASE, INC. 0 0 1 2 0 0 2 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 0 0 0 0 0 0 0 6
ALLIED COLLOIDS LIMITED 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 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 0 5
BASF AKTIENGESELLSCHAFT 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 1 0 0 5
BOTTOM LINE INDUSTRIES, INC. 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 0 0 0 1 0 0 2 0 0 0 0 0 0 0 0 0 0 0 5
BP CHEMICALS LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 5
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 1 0 0 0 0 0 0 0 0 0 3 1 5
BRINE -ADD FLUIDS 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 0 0 0 0 0 0 0 1 0 0 0 0 4 0 5
CHEVRON ORONITE 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 0 0 0 0 0 0 0 1 0 2 0 0 1 1 5
GRAIN PROCESSING 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 1 0 0 0 0 0 0 1 1 0 1 1 0 0 0 0 0 5
INTEGRITY INDUSTRIES, 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 3 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 5
M-I DRILLING FLUIDS L.L.C. 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 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
MASI TECHNOLOGIES, L.L.C. 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 1 2 0 1 1 0 0 0 0 0 5
MI DRILLING FLUIDS COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
MONSANTO COMPANY, INC. 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 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 5
NATIONAL STARCH AND CHEMICAL INVESTMENT HOLDING CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 5
NITTO CHEMICAL INDUSTRY CO., LTD. 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 0 0 0 0 0 0 0 0 5
RHODIA 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 0 0 0 0 1 0 1 1 1 1 5
SAUDI ARABIAN OIL 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 1 0 0 0 0 0 2 1 1 0 5
STEPAN 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 0 0 0 0 0 0 0 1 4 0 5
THE BRITISH PETROLEUM COMPANY P.L.C. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 1 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
TURBO-CHEM INTERNATIONAL, INC. 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 0 0 0 0 0 0 0 0 0 0 0 2 1 0 0 0 0 5


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