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P. Richard Hergenrother
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Gibsonia, PA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Two-component coating compositions containing silane adhesion promo...
Patent number
7,057,000
Issue date
Jun 6, 2006
Bayer MaterialScience LLC
Richard R. Roesler
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
High 2,4′-diphenylmethane diisocyanate content prepolymers
Patent number
6,797,799
Issue date
Sep 28, 2004
Bayer MaterialScience LLC
William E. Slack
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Two-component coating compositions containing silane adhesion promo...
Patent number
6,444,325
Issue date
Sep 3, 2002
Bayer Corporation
Richard R. Roesler
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Aspartate-terminated urea/urethane prepolymers and their use in coa...
Patent number
6,355,829
Issue date
Mar 12, 2002
Bayer Corporation
Richard R. Roesler
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Coating compositions containing polyisocyanates and aspartate-termi...
Patent number
6,183,870
Issue date
Feb 6, 2001
Bayer Corporation
P. Richard Hergenrother
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Rubberized coal tar pitch emulsion
Patent number
4,222,916
Issue date
Sep 16, 1980
Koppers Company, Inc.
P. Richard Hergenrother
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
Prepolymers of allophanate-modified MDI and polyoxypropylene polyol
Publication number
20040210028
Publication date
Oct 21, 2004
William E. Slack
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Prepolymers of allophanate-modified MDI and polyoxypropylene polyol
Publication number
20040197570
Publication date
Oct 7, 2004
William E. Slack
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
HIGH 2,4'-DIPHENYLMETHANE DIISOCYANATE CONTENT PREPOLYMERS
Publication number
20040198943
Publication date
Oct 7, 2004
William E. Slack
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Two-component coating compositions containing silane adhesion promo...
Publication number
20030039846
Publication date
Feb 27, 2003
Richard R. Roesler
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Two-component coating compositions containing silane adhesion promo...
Publication number
20020119329
Publication date
Aug 29, 2002
Richard R. Roesler
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Two-component coating compositions containing silane adhesion promo...
Publication number
20020119330
Publication date
Aug 29, 2002
Richard R. Roesler
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
ASPARTATE-TERMINATED UREA/URETHANE PREPOLYMERS AND THEIR USE IN COA...
Publication number
20020002300
Publication date
Jan 3, 2002
RICHARD R ROESLER
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...