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U.S. PATENT AND TRADEMARK OFFICE
Electronic Information Products Division
Patent Technology Monitoring Branch (PTMB)

Patenting In Technology Classes,
Breakout By Organization

Count of 2001 - 2005 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 2001 2002 2003 2004 2005 Total
EXXONMOBIL CHEMICAL PATENTS INC. 8 26 19 12 16 81
UNIVATION TECHNOLOGIES, LLC, (US) 4 5 15 9 21 54
BASF AKTIENGESELLSCHAFT 11 10 6 9 15 51
PHILLIPS PETROLEUM COMPANY 15 21 11 3 1 51
INSTITUT FRANCAIS DU PETROLE 13 6 9 5 7 40
E. I. DU PONT DE NEMOURS AND COMPANY 9 8 8 6 6 37
BAYER AKTIENGESELLSCHAFT 8 9 4 8 6 35
~Individually Owned Patent 10 14 4 4 2 34
SHELL OIL COMPANY 6 6 7 7 6 32
SUMITOMO CHEMICAL COMPANY, LIMITED 5 9 6 1 8 29
UOP 5 7 7 9 1 29
EQUISTAR CHEMICALS, LP 12 3 2 6 5 28
ENGELHARD CORPORATION 4 3 5 6 7 25
GENERAL ELECTRIC COMPANY 4 8 6 4 2 24
AKZO NOBEL NV 1 4 10 5 3 23
DOW CHEMICAL COMPANY 7 11 2 2 1 23
ROHM AND HAAS COMPANY 0 5 10 5 2 22
FINA TECHNOLOGY, INC. 6 4 3 6 2 21
W. R. GRACE & CO.-CONN. 6 5 4 2 4 21
EASTMAN CHEMICAL COMPANY 5 4 7 2 1 19
BASELL POLYOLEFINE GMBH 2 4 3 4 5 18
CONOCOPHILLIPS COMPANY 0 0 6 2 9 17
CORNING INCORPORATED 5 3 2 3 4 17
COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH 4 1 6 5 1 17
EXXONMOBIL RESEARCH AND ENGINEERING COMPANY 0 2 3 9 3 17
NIPPON SHOKUBAI CO., LTD. 3 5 3 5 1 17
UNION CARBIDE CHEMICALS & PLASTICS TECHNOLOGY CORPORATION 2 7 5 2 1 17
BP CHEMICALS LIMITED 2 8 4 2 0 16
SAUDI BASIC INDUSTRIES CORPORATION 1 5 3 4 3 16
CHINA PETROCHEMICAL DEVELOPMENT CORP. 2 4 3 5 0 14
DEGUSSA AKTIENGESELLSCHAFT 4 4 2 3 1 14
MITSUI CHEMICALS, INCORPORATED 3 2 4 1 4 14
NOVA CHEMICALS (INTERNATIONAL) S.A. 4 4 1 3 2 14
DELPHI TECHNOLOGIES, INC. 0 5 3 2 3 13
DOW GLOBAL TECHNOLOGIES INC. 0 3 3 5 2 13
KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO 2 2 1 6 2 13
BASELL TECHNOLOGY COMPANY B.V. 3 8 0 1 0 12
BOREALIS TECHNOLOGY OY 2 2 1 4 3 12
FINA RESEARCH S.A. 5 4 3 0 0 12
SAMSUNG GENERAL CHEMICALS CO., LTD. 4 1 0 4 3 12
TOYOTA JIDOSHA K.K. 3 3 3 1 2 12
SUD-CHEMIE INC. 0 3 2 4 2 11
UNIVERSITY OF CALIFORNIA, THE REGENTS OF 1 3 1 4 2 11
JOHNSON MATTHEY PUBLIC LIMITED COMPANY 0 0 1 5 4 10
NISSAN MOTOR COMPANY, LIMITED 0 2 4 0 4 10
BATTELLE MEMORIAL INSTITUTE 1 3 1 3 1 9
ENICHEM, S.P.A. 4 2 3 0 0 9
EXXON MOBIL OIL CORPORATION 0 5 1 1 2 9
HYPERION CATALYSIS INTERNATIONAL, INC. 1 2 1 2 3 9
MAZDA MOTOR CORPORATION 3 3 1 0 2 9
NGK INSULATORS LTD. 1 0 5 2 1 9
SASOL TECHNOLOGY (PROPRIETARY) LIMITED 2 1 1 3 2 9
TOSOH CORPORATION 0 2 1 2 4 9
ALBEMARLE CORPORATION 2 1 2 3 0 8
DEGUSSA-HUELS AKTIENGESELLSCHAFT 3 1 2 2 0 8
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 2 1 3 1 1 8
IDEMITSU PETROCHEMICAL COMPANY LTD. 2 0 0 5 1 8
JAPAN ENERGY CORPORATION 1 3 0 2 2 8
SYMYX TECHNOLOGIES, INC. 0 2 2 1 3 8
3M INNOVATIVE PROPERTIES COMPANY 1 2 0 2 2 7
BASELL POLIOLEFINE ITALIA S.P.A. 0 1 2 2 2 7
BRIDGESTONE CORPORATION 4 1 1 1 0 7
CHINA PETROLEUM AND CHEMICAL CORPORATION 0 0 1 3 3 7
HONEYWELL INTERNATIONAL INC. 0 1 2 1 3 7
JAPAN SCIENCE AND TECHNOLOGY CORPORATION 0 4 0 1 2 7
PENN STATE RESEARCH FOUNDATION, INC. 2 2 0 1 2 7
SHOWA DENKO KABUSHIKI KAISHA 0 2 1 2 2 7
ASAHI KASEI KOGYO KABUSHIKI KAISHA 2 2 2 0 0 6
BASF CORP. 1 2 1 0 2 6
ELF ATOCHEM S.A. 5 0 1 0 0 6
EXXON CHEMICALS PATENTS INC. 6 0 0 0 0 6
HALDOR TOPSOE A/S 1 0 2 1 2 6
INDIAN OIL CORPORATION, LTD. 0 1 2 0 3 6
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN 2 0 0 1 3 6
MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA 0 0 1 5 0 6
RHODIA CHIMIE 2 2 2 0 0 6
SUD CHEMIE MT. S.R.L. 1 0 1 3 1 6
TOHO TITANIUM COMPANY LIMITED 3 0 1 1 1 6
AIR PRODUCTS AND CHEMICALS, INC. 0 2 2 0 1 5
CONOCO, INC. 3 2 0 0 0 5
DENSO CORPORATION 0 0 1 2 2 5
EXXON RESEARCH + ENGINEERING CO. 5 0 0 0 0 5
KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY 3 0 1 1 0 5
MITSUBISHI CHEMICAL CORPORATION 0 3 1 1 0 5
SAMSUNG ATOFINA CO. LTD. 0 0 0 2 3 5
SCIENTIFIC DESIGN COMPANY, INC. 1 0 0 1 3 5
SOLVAY POLYOLEFINS EUROPE -- BELGIUM (SOCIETE ANONYME 1 3 1 0 0 5
STANDARD OIL COMPANY 0 4 0 0 1 5


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U.S. Patent and Trademark Office
Electronic Information Products Division - PTMB
MDW 4C18; P.O Box 1450
Alexandria VA 22313-1450

tel: (571) 272-5600
fax: (571) 273-0110
email: oeip@uspto.gov

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