Frederick J. Vyverberg

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Lafayette, IN, US

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Patents Grantslast 30 patents

Information Patent Grant
Intumescent polymer compositions
- Patent number 6,905,693
- Issue date Jun 14, 2005
- PABU Services, Inc.
- Leonard J. Chyall
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Intumescent polymer compositions
- Patent number 6,632,442
- Issue date Oct 14, 2003
- PABU Services, Inc.
- Leonard J. Chyall
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the production of pentaerythritol phosphate alcohol
- Patent number 6,455,722
- Issue date Sep 24, 2002
- PABU Services, Inc.
- Frederick J. Vyverberg
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Intumescent polymer compositions
- Publication number 20030209699
- Publication date Nov 13, 2003
- Leonard J. Chyall
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...