IFI
Patent Intelligence & Technology Report
Class Distribution for 1990-1999
546 - ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES (IPC C07D)
1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 Total
AMERICAN HOME PRODUCTS CORP
1 0 1 0 2 2 10 10 5 9 40
IMPERIAL CHEMICAL INDUSTRIES LTD GB
0 0 0 0 0 2 5 1 4 1 13
SCHERING AG DE
0 0 2 0 1 1 0 2 0 3 9
PITTSBURGH, UNIVERSITY OF
2 2 1 0 0 1 0 1 0 1 8
GLAXO WELLCOME INC
0 2 1 3 0 0 0 0 0 0 6
RHONE-POULENC CHIMIE FR
0 0 0 1 0 1 0 1 2 1 6
DEGUSSA DE
3 0 0 0 0 1 0 0 0 1 5
BOEHRINGER MANNHEIM GMBH DE
0 0 0 0 1 0 1 0 0 2 4
HARVARD COLLEGE, PRESIDENT & FELLOWS OF
0 0 1 2 0 0 0 0 0 1 4
SCRIPPS RESEARCH INSTITUTE THE
0 1 0 1 0 2 0 0 0 0 4
FRANCE TELECOM S A FR
0 0 1 1 0 1 0 0 0 0 3
DSM N V NL
1 0 0 0 1 0 0 0 0 0 2
HITACHI CHEMICAL CO LTD JP
0 0 0 1 0 0 0 0 1 0 2
IOWA STATE UNIVERSITY RESEARCH FOUNDATION INC
0 0 1 1 0 0 0 0 0 0 2
WACKER-CHEMIE GMBH DE
0 0 0 1 0 0 0 0 1 0 2
CHISSO CORP JP
0 1 0 0 0 0 0 0 0 0 1
DAIKIN KOGYO CO LTD JP
0 0 0 0 0 1 0 0 0 0 1
NOVARTIS FINANCE CORP
1 0 0 0 0 0 0 0 0 0 1
PENN STATE RESEARCH FOUNDATION THE
0 1 0 0 0 0 0 0 0 0 1
PLANCK-GESELL, MAX- ZUR FORDERUNG DER WISSENSCHAFTEN DE
1 0 0 0 0 0 0 0 0 0 1
YEDA RESEARCH & DEVELOPMENT CO LTD IL
0 0 0 0 0 0 0 0 1 0 1
Total 9 7 8 11 5 12 16 15 14 19 116