-
-
-
-
-
Semipermeable membrane
-
Patent number 4,272,378
-
Issue date Jun 9, 1981
-
Sumitomo Chemical Company, Limited
-
Takezo Sano
-
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
-
-
-
-
Process for producing olefin polymers
-
Patent number 4,223,117
-
Issue date Sep 16, 1980
-
Sumitomo Chemical Company, Limited
-
Takezo Sano
-
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
-
-
-
-
Process for preparing novel thin films
-
Patent number 4,188,273
-
Issue date Feb 12, 1980
-
Sumitomo Chemical Company, Limited
-
Takezo Sano
-
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
-
-
-
-
Crosslinkable composition
-
Patent number 4,140,605
-
Issue date Feb 20, 1979
-
Sumitomo Chemical Company, Limited
-
Takezo Sano
-
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
-
-
-