Robert T. Kazmierzak

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Williamsville, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Polymer bound hindered amine light stabilizers
- Patent number RE34791
- Issue date Nov 15, 1994
- Atochem North America, Inc.
- Robert T. Kazmierzak
- 525 - Synthetic resins or natural rubbers
Information Patent Grant
Process for preparing polymer bound hindered amine light stabilizers
- Patent number 4,975,489
- Issue date Dec 4, 1990
- Atochem North America, Inc.
- Robert T. Kazmierzak
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymer bound hindered amine light stabilizers
- Patent number 4,857,595
- Issue date Aug 15, 1989
- Pennwalt Corporation
- Robert T. Kazmierzak
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...