Clarence D. Blue

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Dormagen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing polyamines and polysocyanates
- Patent number 5,889,070
- Issue date Mar 30, 1999
- Bayer Corporation
- Steven L. Schilling
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for preparing polyamines for lighter color polyisocyanate b...
- Patent number 5,484,819
- Issue date Jan 16, 1996
- Bayer Corporation
- Jeffrey S. Bolton
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for preparing polyamines for lighter color polyisocyanate b...
- Patent number 5,386,059
- Issue date Jan 31, 1995
- Miles Inc.
- Jeffrey S. Bolton
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Color reduction of polymethylene polyphenyl polyisocyanates
- Patent number 5,312,971
- Issue date May 17, 1994
- Miles Inc.
- Rick L. Adkins
- C07 - ORGANIC CHEMISTRY