Donald H. Campbell

Person

Niagara-on-the-Lake, CA

People

Patents Grantslast 30 patents

Information Patent Grant
Ferrophosphorus particles treated with hypophosphorous acid
- Patent number 4,975,323
- Issue date Dec 4, 1990
- Occidental Chemical Corporation
- Donald H. Campbell
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Resistance welding of galvanized steel
- Patent number 4,889,773
- Issue date Dec 26, 1989
- Occidental Chemical Corporation
- Donald H. Campbell
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Resistance welding of galvanized steel
- Patent number 4,794,050
- Issue date Dec 27, 1988
- Occidental Chemical Corporation
- Donald H. Campbell
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Preparation of chlorotrifluoroethylene telomers with fluoroxytriflu...
- Patent number 4,577,044
- Issue date Mar 18, 1986
- Occidental Chemical Corporation
- Donald H. Campbell
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of chlorotrifluoroethylene telomers with bisfluoroxydif...
- Patent number 4,533,762
- Issue date Aug 6, 1985
- Occidental Chemical Corporation
- Donald H. Campbell
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of phosphorous acid from industrial waste material cont...
- Patent number 4,330,515
- Issue date May 18, 1982
- Hooker Chemicals & Plastics Corp.
- Donald H. Campbell
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method of preparation of electrooptical elements
- Patent number 4,166,012
- Issue date Aug 28, 1979
- Hooker Chemicals & Plastics Corp.
- Edward J. Quinn
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR

Donald H. Campbell

Person

Patents Grantslast 30 patents

Ferrophosphorus particles treated with hypophosphorous acid

Resistance welding of galvanized steel

Resistance welding of galvanized steel

Preparation of chlorotrifluoroethylene telomers with fluoroxytriflu...

Preparation of chlorotrifluoroethylene telomers with bisfluoroxydif...

Preparation of phosphorous acid from industrial waste material cont...

Method of preparation of electrooptical elements