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Inventor
SCHAEFFER III HOWARD J
US
2 patents
Patents
2 patents
US5248642A
Sep 28, 1993
Catalytic cracking catalysts and additives
GRACE W R & CO
31 citations
89
US5364516A
Nov 15, 1994
Catalytic cracking catalysts and additives
GRACE W R & CO
19 citations
78