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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 2000 - 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 502, Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making

( 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 2000 2001 2002 2003 2004 Total
PHILLIPS PETROLEUM COMPANY 31 15 21 11 3 81
EXXONMOBIL CHEMICAL PATENTS INC. 0 8 26 19 12 65
BASF AKTIENGESELLSCHAFT 19 11 10 6 9 55
~Individually Owned Patent 18 10 14 4 4 50
INSTITUT FRANCAIS DU PETROLE 14 13 6 9 5 47
E. I. DU PONT DE NEMOURS AND COMPANY 10 9 8 8 6 41
UOP 6 5 7 7 9 34
UNIVATION TECHNOLOGIES, LLC, (US) 0 4 5 15 9 33
BAYER AKTIENGESELLSCHAFT 3 8 9 4 8 32
DOW CHEMICAL COMPANY 9 7 11 2 2 31
EQUISTAR CHEMICALS, LP 7 12 3 2 6 30
SHELL OIL COMPANY 3 6 6 7 7 29
SUMITOMO CHEMICAL COMPANY, LIMITED 6 5 9 6 1 27
UNION CARBIDE CHEMICALS & PLASTICS TECHNOLOGY CORPORATION 10 2 7 5 2 26
ENGELHARD CORPORATION 7 4 3 5 6 25
GENERAL ELECTRIC COMPANY 2 4 8 6 4 24
AKZO NOBEL NV 3 1 4 10 5 23
EASTMAN CHEMICAL COMPANY 3 5 4 7 2 21
FINA TECHNOLOGY, INC. 2 6 4 3 6 21
SAUDI BASIC INDUSTRIES CORPORATION 8 1 5 3 4 21
CHINA PETROCHEMICAL DEVELOPMENT CORP. 6 2 4 3 5 20
EXXON CHEMICALS PATENTS INC. 14 6 0 0 0 20
ROHM AND HAAS COMPANY 0 0 5 10 5 20
W. R. GRACE & CO.-CONN. 3 6 5 4 2 20
BP CHEMICALS LIMITED 3 2 8 4 2 19
NIPPON SHOKUBAI CO., LTD. 3 3 5 3 5 19
COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH 1 4 1 6 5 17
FINA RESEARCH S.A. 4 5 4 3 0 16
TOYOTA JIDOSHA K.K. 6 3 3 3 1 16
CORNING INCORPORATED 2 5 3 2 3 15
EXXON RESEARCH + ENGINEERING CO. 9 5 0 0 0 14
EXXONMOBIL RESEARCH AND ENGINEERING COMPANY 0 0 2 3 9 14
MITSUI CHEMICALS, INCORPORATED 4 3 2 4 1 14
BASELL POLYOLEFINE GMBH 0 2 4 3 4 13
DEGUSSA AKTIENGESELLSCHAFT 0 4 4 2 3 13
ALBEMARLE CORPORATION 4 2 1 2 3 12
BASELL TECHNOLOGY COMPANY B.V. 0 3 8 0 1 12
KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO 1 2 2 1 6 12
MOBIL OIL CORP. 9 2 1 0 0 12
NOVA CHEMICALS (INTERNATIONAL) S.A. 0 4 4 1 3 12
DOW GLOBAL TECHNOLOGIES INC. 0 0 3 3 5 11
ENICHEM, S.P.A. 2 4 2 3 0 11
MAZDA MOTOR CORPORATION 4 3 3 1 0 11
SAMSUNG GENERAL CHEMICALS CO., LTD. 2 4 1 0 4 11
DEGUSSA-HUELS AKTIENGESELLSCHAFT 2 3 1 2 2 10
DELPHI TECHNOLOGIES, INC. 0 0 5 3 2 10
UNIVERSITY OF CALIFORNIA, THE REGENTS OF 1 1 3 1 4 10
ASAHI KASEI KOGYO KABUSHIKI KAISHA 3 2 2 2 0 9
BOREALIS TECHNOLOGY OY 0 2 2 1 4 9
NGK INSULATORS LTD. 1 1 0 5 2 9
NISSAN MOTOR COMPANY, LIMITED 3 0 2 4 0 9
SUD-CHEMIE INC. 0 0 3 2 4 9
AGENCY OF INDUSTRIAL SCIENCE & TECHNOLOGY 7 1 0 0 0 8
BATTELLE MEMORIAL INSTITUTE 0 1 3 1 3 8
BRIDGESTONE CORPORATION 1 4 1 1 1 8
CONOCOPHILLIPS COMPANY 0 0 0 6 2 8
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 1 2 1 3 1 8
HYPERION CATALYSIS INTERNATIONAL, INC. 2 1 2 1 2 8
KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY 3 3 0 1 1 8
TARGOR GMBH 5 2 0 1 0 8
CELANESE INTERNATIONAL CORPORATION 4 2 1 0 0 7
ELF ATOCHEM S.A. 1 5 0 1 0 7
EXXON MOBIL OIL CORPORATION 0 0 5 1 1 7
IDEMITSU PETROCHEMICAL COMPANY LTD. 0 2 0 0 5 7
JAPAN ENERGY CORPORATION 1 1 3 0 2 7
JOHNSON MATTHEY PUBLIC LIMITED COMPANY 1 0 0 1 5 7
MONTELL TECHNOLOGY COMPANY BV 4 3 0 0 0 7
RHODIA CHIMIE 1 2 2 2 0 7
SASOL TECHNOLOGY (PROPRIETARY) LIMITED 0 2 1 1 3 7
AIR PRODUCTS AND CHEMICALS, INC. 2 0 2 2 0 6
FORD GLOBAL TECHNOLOGIES, INC. 2 3 1 0 0 6
INTEVEP, S.A. 2 1 2 0 1 6
MITSUBISHI CHEMICAL CORPORATION 1 0 3 1 1 6
MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA 0 0 0 1 5 6
PENN STATE RESEARCH FOUNDATION, INC. 1 2 2 0 1 6
SHOWA DENKO KABUSHIKI KAISHA 1 0 2 1 2 6
SOLVAY (SOCIETE ANONYME) 2 1 1 0 2 6
SOLVAY POLYOLEFINS EUROPE -- BELGIUM (SOCIETE ANONYME 1 1 3 1 0 6
STANDARD OIL COMPANY 2 0 4 0 0 6
SUD CHEMIE MT. S.R.L. 1 1 0 1 3 6
SYMYX TECHNOLOGIES, INC. 1 0 2 2 1 6
TOHO TITANIUM COMPANY LIMITED 1 3 0 1 1 6
TOSOH CORPORATION 1 0 2 1 2 6
3M INNOVATIVE PROPERTIES COMPANY 0 1 2 0 2 5
ASEC MANUFACTURING, A GENERAL PARTNERSHIP 4 1 0 0 0 5
BASELL POLIOLEFINE ITALIA S.P.A. 0 0 1 2 2 5
BOREALIS GMBH 4 1 0 0 0 5
BP AMOCO CORPORATION 4 1 0 0 0 5
CONOCO, INC. 0 3 2 0 0 5
DSM N.V. 1 2 2 0 0 5
EUROPEENNE DE RETRAITEMENT DE CATALYSEURS (EURECAT) 2 1 1 1 0 5
IDEMITSU KOSAN COMPANY LIMITED 2 1 1 0 1 5
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN 2 2 0 0 1 5
JAPAN SCIENCE AND TECHNOLOGY CORPORATION 0 0 4 0 1 5
NORTHWESTERN UNIVERSITY 1 1 0 3 0 5
SIEMENS AKTIENGESELLSCHAFT 1 1 1 2 0 5
WESTVACO CORPORATION 2 2 1 0 0 5


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