-
-
3337451
-
Patent number 3,337,451
-
Issue date Aug 22, 1967
-
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
-
3284366
-
Patent number 3,284,366
-
Issue date Nov 8, 1966
-
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
-
3240724
-
Patent number 3,240,724
-
Issue date Mar 15, 1966
-
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
-
2785136
-
Patent number 2,785,136
-
Issue date Mar 12, 1957
-
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL