KS

Karl W. Seper

OC Occidental Chemical: 5 patents #48 of 341Top 15%
📍 Youngstown, NY: #14 of 64 inventorsTop 25%
🗺 New York: #23,203 of 115,490 inventorsTop 25%
Overall (All Time): #890,539 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5441669 Preventing potassium bicarbonate from caking Robert L. Zeller, III, Russell J. Morgan 1995-08-15
5322954 Synthesis of 4-substituted phthalic anhydrides Jeffrey S. Stults, Gary H. Olsen 1994-06-21
5300201 Photochlorination of phthalic anhydride John R. Molinaro 1994-04-05
5215727 Method of making chromic oxide Robert L. Zeller, III, Russell J. Morgan 1993-06-01
5206391 Process for the preparation of halophthalic anhydrides Edward Joseph Colman, David Y. Tang, Mary Cocoman, Harry E. Buckholtz 1993-04-27
5196593 Halogenated trifluoromethylbenzenes James J. Maul, Henry Lin 1993-03-23