David H. Ellenberger

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Chicora, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Synthesis and isolation of metal alkoxides
- Patent number 6,444,862
- Issue date Sep 3, 2002
- Mine Safety Appliances Company
- Elizabeth R. Burkhardt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of synthesis of alkali metal trisubstituted borohydride reag...
- Patent number 5,886,229
- Issue date Mar 23, 1999
- Mine Safety Appliances Company
- Joseph A. Corella
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of alkali-metal hexamethydisilazanes
- Patent number 5,420,322
- Issue date May 30, 1995
- Mine Safety Appliances Company
- Kuen-Wai Chiu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Strong base reagent
- Patent number 5,078,906
- Issue date Jan 7, 1992
- Mine Safety Appliances Company
- Kuen-Wai Chiu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of .alpha.-arylalkanoic acids
- Patent number 4,910,337
- Issue date Mar 20, 1990
- Mine Safety Appliances Company
- Kuen-Wai Chiu
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Synthesis and isolation of metal alkoxides
- Publication number 20030023105
- Publication date Jan 30, 2003
- Elizabeth R. Burkhardt
- C07 - ORGANIC CHEMISTRY