IFI

585 - CHEMISTRY OF HYDROCARBON COMPOUNDS (IPC C07C)

       1999  1998  1997  1996  1995  1994  1993  1992  1991  1990  Total

ATLANTIC RICHFIELD CO
          1     2     1     0     1     1     1     3     1     1     12
ALBEMARLE CORP
          1     0     2     3     2     1     0     0     0     0      9
IDEMITSU KOSAN CO LTD JP
          0     0     0     0     1     4     0     3     1     0      9
BETZDEARBORN INC
          2     2     4     0     0     0     0     0     0     0      8
IMPERIAL CHEMICAL INDUSTRIES LTD GB
          0     1     0     0     1     1     0     1     0     1      5
BOC GROUP INC THE
          0     1     1     0     0     1     0     0     0     0      3
ENGELHARD CORP
          1     0     0     0     0     1     1     0     0     0      3
RHONE-POULENC CHIMIE FR
          0     0     1     0     0     1     0     0     1     0      3
DEGUSSA DE
          0     1     0     1     0     0     0     0     0     0      2
DSM N V NL
          0     1     0     1     0     0     0     0     0     0      2
NATIONAL RESEARCH COUNCIL OF CANADA CA
          0     0     0     0     0     0     0     0     0     2      2
GAS RESEARCH INSTITUTE
          0     1     0     0     0     0     0     0     0     0      1
NITTO DENKO CORP JP
          1     0     0     0     0     0     0     0     0     0      1
PENN STATE RESEARCH FOUNDATION THE
          0     0     0     1     0     0     0     0     0     0      1
YEDA RESEARCH & DEVELOPMENT CO LTD IL
          0     0     0     0     0     0     0     0     0     1      1

Total     6     9     9     6     5    10     2     7     3     5     62