IFI
Patent Intelligence & Technology Report
Class Distribution for 1990-1999
568 - ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES (IPC C07C)
1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 Total
RHONE-POULENC CHIMIE FR
4 13 6 1 5 4 2 8 13 8 64
ALBEMARLE CORP
8 11 3 2 2 0 0 0 0 0 26
IMPERIAL CHEMICAL INDUSTRIES LTD GB
1 2 2 1 3 2 5 5 2 3 26
DEGUSSA DE
6 4 0 0 3 6 1 1 3 0 24
DSM N V NL
4 4 1 1 1 5 1 0 0 0 17
DAIKIN KOGYO CO LTD JP
3 0 0 0 0 1 3 1 2 2 12
IDEMITSU KOSAN CO LTD JP
1 0 2 3 1 0 1 1 1 0 10
CHISSO CORP JP
1 0 0 2 2 0 1 1 1 0 8
BOC GROUP INC THE
0 0 0 1 1 0 0 0 2 0 4
PPG INDUSTRIES INC
0 0 1 1 1 0 0 0 1 0 4
ENGELHARD CORP
0 0 0 0 0 1 2 0 0 0 3
MORTON INTERNATIONAL INC
0 0 0 0 1 1 0 0 0 0 2
SHOWA DENKO K K JP
0 0 0 0 0 1 1 0 0 0 2
ALCON LABORATORIES INC
0 0 0 0 1 0 0 0 0 0 1
AMERICAN HOME PRODUCTS CORP
0 0 0 0 0 0 0 0 0 1 1
HARVARD COLLEGE, PRESIDENT & FELLOWS OF
0 0 0 0 0 0 0 0 0 1 1
IOWA STATE UNIVERSITY RESEARCH FOUNDATION INC
0 0 0 0 1 0 0 0 0 0 1
PENN STATE RESEARCH FOUNDATION THE
1 0 0 0 0 0 0 0 0 0 1
PITTSBURGH, UNIVERSITY OF
0 0 0 0 0 0 0 0 0 1 1
SCHERING AG DE
1 0 0 0 0 0 0 0 0 0 1
SCRIPPS RESEARCH INSTITUTE THE
0 0 0 0 0 0 1 0 0 0 1
YEDA RESEARCH & DEVELOPMENT CO LTD IL
0 0 0 0 0 0 0 1 0 0 1
Total 30 34 15 12 22 21 18 18 25 16 211