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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 516, Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting

( 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
~Individually Owned Patent 2 1 7 6 6 2 4 6 2 3 0 2 2 1 4 3 2 1 3 0 1 2 1 4 2 2 2 3 4 2 5 4 5 3 7 2 106
NALCO CHEMICAL COMPANY 4 1 4 9 3 2 3 4 1 1 3 0 0 2 0 3 0 3 0 2 0 4 2 1 1 1 1 1 1 0 1 2 2 2 0 0 64
DOW CORNING CORPORATION 1 0 0 2 1 3 2 1 0 2 0 0 0 0 0 2 1 2 0 2 2 1 1 3 1 1 1 1 3 2 3 3 1 1 3 1 47
HENKEL KOMMANDITGESELLSCHAFT AUF AKTIEN(HENKEL KGAA) 0 0 0 0 0 0 0 0 0 2 0 0 0 0 2 2 3 0 2 1 4 3 3 2 1 2 0 1 2 3 3 3 2 1 0 0 42
E. I. DU PONT DE NEMOURS AND COMPANY 2 0 2 5 3 3 2 2 1 0 0 0 0 2 1 0 1 3 0 0 0 2 0 0 0 0 0 0 1 1 1 1 0 0 2 0 35
PETROLITE CORPORATION 0 1 5 2 0 0 1 0 0 2 1 0 0 2 5 2 1 3 1 0 3 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 31
TH. GOLDSCHMIDT AG 0 0 0 2 0 0 0 0 2 0 0 1 1 0 1 1 0 1 4 0 1 1 1 1 0 1 1 0 0 1 3 0 1 2 2 0 28
BASF AKTIENGESELLSCHAFT 0 0 0 1 1 0 1 0 1 1 1 1 0 0 0 1 2 0 1 0 0 1 0 0 2 1 3 1 1 2 1 0 2 1 1 0 27
DOW CHEMICAL COMPANY 0 0 0 0 0 0 0 1 0 0 1 0 1 1 1 2 2 1 1 3 1 1 0 2 3 1 2 0 0 0 0 1 0 1 1 0 27
BAYER AKTIENGESELLSCHAFT 0 0 1 1 0 1 1 1 1 1 0 0 2 2 3 1 1 0 1 0 0 0 1 1 0 1 1 1 0 0 2 0 1 0 0 1 26
HOECHST AKTIENGESELLSCHAFT 0 0 0 0 3 1 1 2 0 0 0 1 0 0 3 2 0 1 1 1 2 0 1 1 0 2 1 1 0 0 0 0 0 1 0 0 25
EXXON RESEARCH + ENGINEERING CO. 0 0 0 2 0 1 0 3 0 1 0 2 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 1 4 0 2 4 1 0 0 23
NISSAN CHEMICAL INDUSTRIES, LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 4 0 0 0 1 2 0 2 2 3 2 2 1 1 1 1 0 23
UNION CARBIDE CORPORATION 0 2 3 1 0 2 0 1 2 3 0 0 0 3 1 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 20
CIBA-GEIGY CORPORATION 0 0 0 0 0 0 0 0 0 4 1 0 0 1 0 0 1 0 0 1 1 1 0 1 4 0 0 2 0 0 0 0 0 0 0 0 17
HENKEL CORPORATION 0 0 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 4 2 1 2 2 3 0 0 0 17
BASF WYANDOTTE CORPORATION 0 0 1 1 1 0 1 0 0 0 0 1 0 5 2 3 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 16
TEXACO INC. 0 0 1 0 0 2 2 0 0 1 4 1 0 0 1 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 2 0 0 0 0 0 16
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 1 2 3 3 1 1 1 0 1 0 1 14
PHILLIPS PETROLEUM COMPANY 0 0 1 2 1 0 0 0 0 0 2 0 0 2 1 1 0 0 0 1 1 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 14
SHIN ETSU CHEMICAL CO., LTD. 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 2 0 1 0 3 2 0 0 1 0 1 1 0 0 1 0 0 14
W. R. GRACE & CO.-CONN. 1 1 0 2 0 2 1 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 0 0 2 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 4 5 2 1 0 1 0 0 13
BETZ LABORATORIES INC. 0 0 0 4 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 0 0 2 1 0 0 0 0 0 0 0 0 12
CONOCO, INC. 0 0 2 3 0 2 0 1 0 0 0 0 0 1 0 0 0 1 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 12
IMPERIAL CHEMICAL INDUSTRIES PLC 0 0 0 1 1 0 0 2 0 1 0 1 1 0 0 1 0 0 0 0 0 0 1 1 0 1 1 0 0 0 0 0 0 0 0 0 12
MARATHON OIL COMPANY 0 0 0 0 4 1 0 0 1 0 0 1 0 0 2 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 12
NL INDUSTRIES INC. 0 0 1 1 0 1 0 0 2 2 0 0 1 0 0 3 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12
GENERAL ELECTRIC COMPANY 1 0 0 0 1 1 0 0 3 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 1 0 0 0 0 0 0 0 11
RHONE-POULENC CHIMIE 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 0 1 0 1 2 0 1 0 0 0 0 11
SHELL OIL COMPANY 0 1 0 2 6 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 11
DIAMOND SHAMROCK CORPORATION 0 0 0 4 0 1 0 1 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 10
KAO KABUSHIKI KAISHA (KAO CORPORATION) 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 1 0 0 1 0 0 2 0 1 0 0 10
L'OREAL S.A. 0 1 0 0 0 0 0 0 1 1 0 0 0 0 1 0 1 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 1 1 1 0 10
WESTVACO CORPORATION 0 0 0 0 1 0 0 1 0 1 0 0 0 0 0 2 0 0 1 0 1 0 1 0 0 1 0 0 0 1 0 0 0 0 0 0 10
PROCTER + GAMBLE COMPANY 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 1 0 1 0 1 0 0 0 3 0 0 0 0 0 0 0 0 0 0 9
WITCO CHEMICAL CORPORATION 0 2 2 2 2 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 0 0 0 9
CHEVRON RESEARCH & TECHNOLOGY CO. 2 0 1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 8
HERCULES INCORPORATED 0 0 1 2 0 0 1 1 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 8
J. M. HUBER CORPORATION 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 0 0 2 0 1 0 0 0 0 0 0 8
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 2 4 0 1 1 8
AKZO N.V. 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 2 0 0 1 1 0 0 0 0 0 0 0 0 0 7
ALBRIGHT & WILSON LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 1 1 0 0 1 0 0 0 0 0 0 0 1 1 0 0 0 0 7
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 1 0 0 1 1 0 0 2 1 0 0 1 7
DOW CORNING 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 1 2 1 1 1 0 1 0 0 7
DREW CHEMICAL CORPORATION 0 0 0 0 0 0 0 2 0 0 0 0 1 1 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
EASTMAN KODAK COMPANY 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 1 0 2 1 1 1 0 0 0 0 0 7
INSTITUT FRANCAIS DU PETROLE 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 1 2 1 0 7
KAO SOAP CO., LTD. 1 1 0 1 0 0 0 1 0 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 7
LUBRIZOL CORPORATION 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 1 0 1 0 0 0 1 1 0 0 0 7
RHONE-POULENC SPECIALITIES CHIMIQUES 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 1 1 0 3 0 0 0 0 0 0 0 0 0 0 7
SHISEIDO CO., 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 1 1 2 2 1 0 0 0 7
SOCIETE D'EXPLOITATION DE PRODUITS POUR LES INDUSTRIES CHIMIQUES - S.E.P.P.I.C. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 2 2 0 0 7
THE BRITISH PETROLEUM COMPANY P.L.C. 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 1 1 1 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
WACKER-CHEMIE GMBH 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 2 0 0 0 0 0 1 1 0 0 0 1 0 0 0 0 0 0 0 0 0 7
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 3 1 0 2 0 6
BETZ PAPERCHEM, 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 1 2 2 1 0 0 0 0 0 0 0 0 6
CABOT 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 1 0 0 0 0 0 0 1 2 0 1 0 6
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 0 0 0 1 2 2 1 6
COGNIS 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 1 3 2 0 6
COLGATE-PALMOLIVE COMPANY 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 2 0 0 0 0 0 1 0 0 0 0 0 0 6
DAIKIN INDUSTRIES LIMITED 0 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 0 0 0 0 0 0 0 6
GULF RESEARCH AND DEVELOPMENT COMPANY 0 0 1 1 0 0 0 0 0 0 0 0 0 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
ICI AMERICAS INC. 0 0 0 0 0 3 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 6
ISP INVESTMENTS INC. 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 0 2 0 0 0 0 0 0 0 0 0 6
LION CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 2 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 6
MOBIL OIL CORP. 0 2 0 0 0 0 1 0 1 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
RHONE-POULENC INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 1 0 0 0 0 0 0 0 1 2 0 0 0 0 0 0 6
STEPAN COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 1 0 1 0 0 1 0 0 0 0 1 0 6
UNITED STATES OF AMERICA, NAVY 0 0 1 2 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 0 1 0 0 0 0 6
XEROX CORPORATION 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 1 1 0 1 0 0 0 0 0 6
AIR PRODUCTS AND CHEMICALS, 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 1 1 1 1 5
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 2 2 0 1 5
AUSIMONT 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 1 0 0 0 0 0 2 2 0 0 0 0 0 0 5
CALGON CORPORATION 0 0 0 0 0 0 0 0 0 1 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 5
CITIES SERVICE COMPANY 0 0 0 0 0 0 0 0 3 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 5
DOW CORNING TORAY SILICONE 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 1 1 0 2 0 0 0 1 0 0 5
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 2 2 1 5
FMC CORPORATION 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 0 1 1 1 0 0 0 0 0 0 5
HENKEL + CIE G.M.B.H. 2 1 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 0 0 0 0 0 0 0 0 5
MINNESOTA MINING AND MANUFACTURING COMPANY 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 5
MONSANTO COMPANY, INC. 0 0 0 0 1 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 5
NIPPON SHOKUBAI KAGAKU KOGYO CO. LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 1 2 0 0 0 0 0 0 0 0 0 0 5
OLIN CORPORATION 0 0 0 0 1 0 0 0 0 1 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 5
S. C. JOHNSON + SON, INC. 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 1 0 0 0 5
UNION CARBIDE CHEMICALS & PLASTICS TECHNOLOGY 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 1 1 0 0 0 0 0 5
UNITED STATES OF AMERICA, ARMY 0 0 1 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 5
UOP 0 1 0 0 0 0 0 0 2 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 5


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