Paul Spevak

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Edmonton, CA

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Patents Grantslast 30 patents

Information Patent Grant
Economical manufacturing process for 1,2,3-triazoles
- Patent number 5,527,920
- Issue date Jun 18, 1996
- Inder P. Singh
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Effective process for the production of 1,2,3-triazoles
- Patent number 5,478,947
- Issue date Dec 26, 1995
- SynPhar Laboratories, Inc.
- Inder P. Singh
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2-[(substituted) methylene]cephalosporin sulfones as antiinflammato...
- Patent number 5,446,037
- Issue date Aug 29, 1995
- SynPhar Laboratories, Inc.
- Samarendra Maiti
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2-spirocyclopropyl cephalosporin sulfone derivatives
- Patent number 5,264,430
- Issue date Nov 23, 1993
- SynPhar Laboratories, Inc.
- Samarendra N. Maiti
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2-spirocyclopropyl cephalosporin sulfone derivatives
- Patent number 5,264,429
- Issue date Nov 23, 1993
- SynPhar Laboratories, Inc.
- Samarendra N. Maiti
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2-spirocyclopropyl 4-acylcephems
- Patent number 5,258,377
- Issue date Nov 2, 1993
- Taiho Pharmaceutical Co., Ltd.
- Samarendra N. Maiti
- C07 - ORGANIC CHEMISTRY