-
3203874
-
Patent number 3,203,874
-
Issue date Aug 31, 1965
-
C07 - ORGANIC CHEMISTRY
-
2766296
-
Patent number 2,766,296
-
Issue date Oct 9, 1956
-
C07 - ORGANIC CHEMISTRY
-
2666796
-
Patent number 2,666,796
-
Issue date Jan 19, 1954
-
C07 - ORGANIC CHEMISTRY
-
2635073
-
Patent number 2,635,073
-
Issue date Apr 14, 1953
-
C07 - ORGANIC CHEMISTRY