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William J. Birkmeyer
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Oakmont, PA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Low volatile organic content automotive refinish coating composition
Patent number
5,468,802
Issue date
Nov 21, 1995
PPG Industries, Inc.
Truman F. Wilt
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Ultraviolet light curable compositions for application to porous su...
Patent number
4,775,597
Issue date
Oct 4, 1988
PPG Industries, Inc.
William J. Birkmeyer
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information
Patent Grant
Acrylic modified polymers
Patent number
4,690,980
Issue date
Sep 1, 1987
PPG Industries, Inc.
Debra L. Singer
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Acrylated alkyd and polyester resins
Patent number
4,517,322
Issue date
May 14, 1985
PPG Industries, Inc.
William J. Birkmeyer
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Reaction products of a polyglycidyl ether of a polyphenol and an am...
Patent number
4,356,277
Issue date
Oct 26, 1982
PPG Industries, Inc.
William J. Birkmeyer
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Coating compositions containing organic alcoholic reactive diluents
Patent number
4,314,918
Issue date
Feb 9, 1982
PPG Industries, Inc.
William J. Birkmeyer
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Reaction products of a polyglycidyl ether of a polyphenol and an am...
Patent number
4,299,747
Issue date
Nov 10, 1981
PPG Industries, Inc.
William J. Birkmeyer
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Beverage containers coated with a water-based liner
Patent number
4,283,428
Issue date
Aug 11, 1981
PPG Industries, Inc.
William J. Birkmeyer
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Esters of diglycidyl polyethers of hydrogenated phenols and coating...
Patent number
4,252,935
Issue date
Feb 24, 1981
PPG Industries, Inc.
Carl C. Anderson
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Esters of imidazolidinedione-based diepoxides and coating compositi...
Patent number
4,228,294
Issue date
Oct 14, 1980
PPG Industries, Inc.
Ronald J. Lewarchik
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Esters of imidazolidinedione-based triepoxides and coating composit...
Patent number
4,221,891
Issue date
Sep 9, 1980
PPG Industries, Inc.
J. Alden Erikson
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
N,N-'-Dihydroxyalkyl ester substituted imidazolidinediones and coat...
Patent number
4,206,104
Issue date
Jun 3, 1980
PPG Industries, Inc.
Rostyslaw Dowbenko
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Esters of imidazolidinedione-based triepoxides
Patent number
4,187,380
Issue date
Feb 5, 1980
PPG Industries, Inc.
J. Alden Erikson
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Hydroxy-functional esters of substituted imidazolidinediones and co...
Patent number
4,174,337
Issue date
Nov 13, 1979
PPG Industries, Inc.
William J. Birkmeyer
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Amide modified saturated polyester polyols and method of making
Patent number
4,123,422
Issue date
Oct 31, 1978
PPG Industries, Inc.
J. Alden Erikson
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...