Stephen M. Wolpert

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Detroit, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Strongly acidic microporous membranes for cation exchange
- Patent number 5,021,160
- Issue date Jun 4, 1991
- Gelman Sciences, Inc.
- Stephen M. Wolpert
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Tannin mannich adducts for improving corrosion resistance of metals
- Patent number 4,944,812
- Issue date Jul 31, 1990
- Henkel Corporation
- Andreas Lindert
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Process for improving the corrosion resistance of conversion coated...
- Patent number 4,331,715
- Issue date May 25, 1982
- Hooker Chemicals & Plastics Corp.
- Stephen M. Wolpert
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Crosslinking photoinitiators of acrylic benzophenonetetracarboxylates
- Patent number 4,180,599
- Issue date Dec 25, 1979
- The United States of America as represented by the Secretary of the Army
- Stephen M. Wolpert
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...