William D Carlin

Author:

William Passmore Carlin

ISBN #:

0803214944

Author:

William P. Carlin

ISBN #:

0953516202

US Patent:

40100855, Mar 1, 1977

Filed:

Apr 28, 1976

Appl. No.:

5/681014

Inventors:

William W. Carlin - Portland TX

Assignee:

PPG Industries, Inc. - Pittsburgh PA

International Classification:

C25B 126
C25B 104
C25B 1106

US Classification:

204128

Abstract:

Disclosed is a method of electrolyzing aqueous solutions of alkali metal chlorides such as sodium chloride brine where an electrical current is passed from an anode to the cathode, evolving chlorine at the anode and hydrogen at the cathode. According to the disclosed method the cathode has a coating containing tungsten and another transition metal. The other transition metal may be nickel or cobalt.

US Patent:

41276434, Nov 28, 1978

Filed:

Nov 3, 1977

Appl. No.:

5/848044

Inventors:

William W. Carlin - Portland TX

Assignee:

PPG Industries, Inc. - Pittsburgh PA

International Classification:

C01G 3702

US Classification:

423607

Abstract:

Disclosed is a method of preparing a crystalline pigmentary chromic: oxide, Cr. sub. 2 O. sub. 3, having a mass average particle size less than about 1 micron. According to the disclosed method, a substantially dry solid composition of an alkali metal chromate and carbon is heated in an inert atmosphere to a temperature of above about 500. degree. Centigrade and maintained thereat until substantially all of the alkali metal chromate is decomposed. Thereafter, the solid composition is cooled while still in an inert atmosphere and thereafter pigmentary Cr. sub. 2 O. sub. 3 is recovered therefrom.

US Patent:

43034870, Dec 1, 1981

Filed:

Dec 26, 1979

Appl. No.:

6/107221

Inventors:

William W. Carlin - Portland TX
Douglas W. McCann - Corpus Christi TX

Assignee:

PPG Industries, Inc. - Pittsburgh PA

International Classification:

C25B 700

US Classification:

204180P

Abstract:

A process is disclosed for increasing the silica to alkali metal oxide weight ratio of aqueous alkali metal silicate solution by electrodialysis of the alkali metal silicate solution.

US Patent:

41499433, Apr 17, 1979

Filed:

May 5, 1978

Appl. No.:

5/904140

Inventors:

William W. Carlin - Portland TX

Assignee:

PPG Industries, Inc. - Pittsburgh PA

International Classification:

C25C 116

US Classification:

204105R

Abstract:

Disclosed is a method of operating an electrolytic cell of the flowing mercury amalgam cathode type. According to the disclosed process, fortified alkali metal chloride brine is fed to the cell while an electrical current is passed through the cell. Depleted brine, diminished in alkali metal chloride content and enhanced in mercury content, is recovered from the cell. The depleted brine is dechlorinated and then refortified with alkali metal chloride. Thereafter, the refortified brine is treated to precipitate sulfate and alkaline earth metal contaminates as well as mercury. The purified, refortified brine is then introduced to a flowing mercury amalgam cathode electrolytic cell. The mercury recovery process is characterized by adding an alkaline hypochlorite solution to the precipitated impurities in order to form a soluble mercury salt, separating the soluble mercury salt from the precipitate at an alkaline pH, and then acidifying the solution of the soluble mercury salt. Thereafter, the mercury salt solution is electrolyzed between an anode and a cathode in order to evolve metallic mercury at the cathode.

US Patent:

50596756, Oct 22, 1991

Filed:

Nov 14, 1988

Appl. No.:

7/270553

Inventors:

William W. Carlin - Corpus Christi TX
Sai H. Hui - Hudson OH
John D. Mansell - Akron OH

Assignee:

PPG Industries, Inc. - Pittsburgh PA

International Classification:

C08G 1230
B32B 2742

US Classification:

528254

Abstract:

Disclosed are compositions useful as surface coatings for nonwoven substrates which compositions are reaction products of a melamine formaldehyde compound, long chain saturated alcohols and long chain saturated or unsaturated polyethoxylated alcohols. The invention compositions when used to surface size paper impart oil, water and polar solvent resistance thereto. The compositions may be used alone or as substantial replacements for anionic or non-ionic fluorocarbon based surface sizes that are typically used to impart oil resistance to paper.

US Patent:

41849418, Jan 22, 1980

Filed:

Jul 24, 1978

Appl. No.:

5/927193

Inventors:

William W. Carlin - Portland TX

Assignee:

PPG Industries, Inc. - Pittsburgh PA

International Classification:

C25B 1106

US Classification:

204292

Abstract:

Disclosed is a method of preparing an electrodic surface on a metal substrate by depositing nickel and iron onto the substrate to form a nickel-iron surface and then leaching iron out of the surface to form a porous nickel surface. Also disclosed is an electrode prepared by depositing nickel and iron onto a metal substrate to form a nickel-iron surface, thereafter leaching the iron out of the surface to form a porous nickel surface.

US Patent:

43234356, Apr 6, 1982

Filed:

Sep 10, 1980

Appl. No.:

6/185657

Inventors:

William W. Carlin - Portland TX

Assignee:

PPG Industries, Inc. - Pittsburgh PA

International Classification:

C25B 134
C25B 900
C25B 1308

US Classification:

204 98

Abstract:

Disclosed is a method of operating a solid polymer electrolyte chlor-alkali cell by imposing a pulsative current, e. g. , pulsed direct current, half wave alternating current, or rectified alternating current, across the cell. Also disclosed is the chemical deposition of porous catalysts on a permionic membrane whereby to obtain a solid polymer electrolyte.

US Patent:

42486807, Feb 3, 1981

Filed:

Jan 24, 1979

Appl. No.:

6/006069

Inventors:

William W. Carlin - Portland TX
William B. Darlington - Portland TX
Donald W. DuBois - Corpus Christi TX
Roseanne M. Woo - Corpus Christi TX

Assignee:

PPG Industries, Inc. - Pittsburgh PA

International Classification:

C25B 134
C25B 1103
C25B 1106
C25B 1308

US Classification:

204 98

Abstract:

Disclosed is an electrolytic cell having an anode, a cathode, and a synthetic fluoro-carbon-resin permionic membrane between the anode and cathode. The improvement is characterized by the fluorocarbon-resin permionic membrane being a fluorinated copolymer having carboxylic acid ion exchange groups and the cathode having a catalytic, non-ferrous surface. Also disclosed is a process of producing an alkali metal hydroxide by electrolyzing an aqueous alkali metal chloride brine in an electrolytic cell having the anode separated from a catalytic, non-ferrous cathode by a synthetic fluorocarbon-resin permionic membrane having carboxylic acid ion exchange groups.