-
-
-
-
Battery separator
-
Patent number 5,281,491
-
Issue date Jan 25, 1994
-
W. R. Grace & Co.
-
Burton M. Rein
-
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
-
Process of making a battery separator
-
Patent number 5,240,655
-
Issue date Aug 31, 1993
-
W. R. Grace & Co.-Conn.
-
Howard J. Troffkin
-
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
-
-
-
Halogen generation
-
Patent number 5,039,383
-
Issue date Aug 13, 1991
-
W. R. Grace & Co.-Conn.
-
Robert M. Spotnitz
-
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
-
Shaped catalysts and processes
-
Patent number 4,895,994
-
Issue date Jan 23, 1990
-
W. R. Grace & Co.-Conn.
-
Wu-Cheng Cheng
-
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
-
-
-
-
-