Skip menu navigation Home > PTMD Home > PTMD Listing of Viewable Reports > Table of Contents for This Set of Reports


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 1998 - 2002 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 585, Chemistry of Hydrocarbon Compounds

( 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 1998 1999 2000 2001 2002 Total
UOP 33 32 28 24 37 154
INSTITUT FRANCAIS DU PETROLE 18 22 23 25 21 109
PHILLIPS PETROLEUM COMPANY 16 18 25 12 11 82
~Individually Owned Patent 16 12 8 11 4 51
EXXON CHEMICALS PATENTS INC. 5 18 17 3 0 43
MOBIL OIL CORP. 11 9 13 5 2 40
BASF AKTIENGESELLSCHAFT 7 10 4 6 8 35
EXXONMOBIL CHEMICAL PATENTS INC. 0 0 0 9 20 29
EXXON RESEARCH + ENGINEERING CO. 8 4 8 2 1 23
CATALYTIC DISTILLATION TECHNOLOGIES 5 7 1 4 3 20
SHELL OIL COMPANY 1 4 2 5 6 18
AMOCO CORPORATION 14 3 0 0 0 17
FINA TECHNOLOGY, INC. 1 3 5 2 5 16
BP AMOCO CORPORATION 0 5 7 2 0 14
CHEVRON CHEMICAL COMPANY 4 6 2 0 0 12
CHEVRON U.S.A. INC. 2 1 2 3 4 12
E. I. DU PONT DE NEMOURS AND COMPANY 0 3 3 4 1 11
ENICHEM, S.P.A. 0 4 2 2 3 11
NIPPON PETROCHEMICALS COMPANY, LIMITED 1 2 1 2 5 11
BP CHEMICALS LIMITED 1 3 0 1 4 9
SNAM PROGETTI S.P.A. 0 0 4 1 4 9
CHEVRON CHEMICAL COMPANY LLC 0 2 3 2 1 8
DOW CHEMICAL COMPANY 1 2 1 2 2 8
HALDOR TOPSOE A/S 0 4 1 3 0 8
CHINA PETROCHEMICAL DEVELOPMENT CORP. 3 0 1 1 2 7
KOBE STEEL LTD. 2 0 5 0 0 7
MITSUBISHI CHEMICAL CORPORATION 2 3 1 0 1 7
ABB LUMMUS GLOBAL INC. 0 3 0 0 3 6
BAKER HUGHES INCORPORATED 1 0 0 3 2 6
FINA RESEARCH S.A. 2 1 0 1 2 6
STONE + WEBSTER ENGINEERING CORPORATION 1 3 0 2 0 6
SUMITOMO CHEMICAL COMPANY, LIMITED 1 2 0 0 3 6
ASAHI KASEI KOGYO KABUSHIKI KAISHA 0 2 2 1 0 5
BETZDEARBORN INC. 2 2 1 0 0 5
CLARIANT GMBH 1 1 2 1 0 5
EXXON MOBIL OIL CORPORATION 0 0 0 2 3 5
EXXON PRODUCTION RESEARCH COMPANY 2 2 1 0 0 5
EXXONMOBIL RESEARCH AND ENGINEERING COMPANY 0 0 0 2 3 5
HOECHST AKTIENGESELLSCHAFT 5 0 0 0 0 5
HUNTSMAN PETROCHEMICAL CORPORATION 3 0 2 0 0 5
INSTITUT FRAN.CEDILLA.AIS DU PETROLE 0 4 1 0 0 5
MITSUI CHEMICALS, INCORPORATED 0 1 2 0 2 5
PENNZOIL-QUAKER STATE COMPANY 0 0 1 1 3 5
SASOL TECHNOLOGY (PROPRIETARY) LIMITED 0 1 0 1 3 5


PTMD Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Office of Electronic Information Products - PTMD
PK3- Suite 441; P.O Box 1450
Alexandria VA 22313

tel: (703) 306-2600
fax: (703) 306-2737
email: oeip@uspto.gov

address of PTMD pages at the USPTO Web Site: http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
ftp download of selected PTMD reports and materials from : ftp.uspto.gov/pub/taf/


Top

Skip menu navigation Home > PTMD Home > PTMD Listing of Viewable Reports > Table of Contents for This Set of Reports