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John F. Grunewalder
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Glenshaw, PA, US
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last 30 patents
Information
Patent Grant
Process for treating cellulosic materials with stable aqueous dispe...
Patent number
5,413,867
Issue date
May 9, 1995
PPG Industries, Inc.
Wen-Hsuan Chang
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Stable aqueous dispersions containing siloxanes for treating cellul...
Patent number
5,354,832
Issue date
Oct 11, 1994
PPG Industries, Inc.
Wen-Hsuan Chang
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Silanes carrying water-solubilizing and hydrophobic moieties
Patent number
5,354,881
Issue date
Oct 11, 1994
PPG Industries, Inc.
Wen-Hsuan Chang
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Fluoropolymer blend for coextrusion onto thermoplastic substrates
Patent number
5,322,899
Issue date
Jun 21, 1994
PPG Industries, Inc.
John F. Grunewalder
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Water-borne treatment compositions for porous substrates
Patent number
5,228,905
Issue date
Jul 20, 1993
PPG Industries, Inc.
John F. Grunewalder
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information
Patent Grant
Transparent coating system for providing long term exterior durabil...
Patent number
4,913,972
Issue date
Apr 3, 1990
PPG Industries, Inc.
John F. Grunewalder
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information
Patent Grant
Base solubilization of an azole-functional resin and electrodeposit...
Patent number
4,405,428
Issue date
Sep 20, 1983
PPG Industries, Inc.
Nicholas T. Castellucci
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Treatment of wood with water repellent compositions
Patent number
4,404,239
Issue date
Sep 13, 1983
PPG Industries, Inc.
John F. Grunewalder
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information
Patent Grant
Water repellent compositions for the treatment of wood
Patent number
4,360,385
Issue date
Nov 23, 1982
PPG Industries, Inc.
John F. Grunewalder
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information
Patent Grant
Base solubilization of an azole-functional resin and electrodeposit...
Patent number
4,360,614
Issue date
Nov 23, 1982
PPG Industries Inc.
Nicholas T. Castellucci
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Silver and copper coated articles protected by treatment with merca...
Patent number
4,357,396
Issue date
Nov 2, 1982
PPG Industries, Inc.
John F. Grunewalder
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Curable compositions comprising an azole-functional resin and a met...
Patent number
4,350,804
Issue date
Sep 21, 1982
PPG Industries, Inc.
John S. Ostrowski
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Epoxy derived resins containing amino or mercapto substituted azole...
Patent number
4,322,459
Issue date
Mar 30, 1982
PPG Industries, Inc.
Nicholas T. Castellucci
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...