Richard W. Duerst

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New Richmond, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Process for plasma deposition of a carbon rich coating
- Patent number 5,286,534
- Issue date Feb 15, 1994
- Minnesota Mining and Manufacturing Company
- Gunter A. Kohler
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Magnetic recording medium having a carbon rich coating
- Patent number 5,232,791
- Issue date Aug 3, 1993
- Minnesota Mining and Manufacturing Company
- Gunter A. Kohler
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
Cefdinir pyridine salt
- Publication number 20050113355
- Publication date May 26, 2005
- Richard W. Duerst
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Polymorph of a pharmaceutical
- Publication number 20050059818
- Publication date Mar 17, 2005
- Richard W. Duerst
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Cefdinir pyridine salt
- Publication number 20050059819
- Publication date Mar 17, 2005
- Richard W. Duerst
- C07 - ORGANIC CHEMISTRY