Charles J. Pfeiffer

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Wayne, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of making flowable alkaline thiosulfate/alkaline sulfite and...
- Patent number RE35795
- Issue date May 12, 1998
- Fuji Hunt Photographic Chemicals, Inc.
- Hongzoon Kim
- 430 - Radiation imagery chemistry: process, composition, or product thereof
Information Patent Grant
Method of making flowable alkaline thiosulfate/alkaline sulfite and...
- Patent number 5,328,814
- Issue date Jul 12, 1994
- Fuji Hunt Photographic Chemicals, Inc.
- Hongzoon Kim
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of making flowable alkaline thiosulfate/alkaline sulfite and...
- Patent number 5,270,154
- Issue date Dec 14, 1993
- Fuji Hunt Photographic Chemicals Inc.
- Hongzoon Kim
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY