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Randolph B. Krafcik
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Aurora, OH, US
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Patents Grants
last 30 patents
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Patent Grant
Self-stratifying coatings
Patent number
9,000,069
Issue date
Apr 7, 2015
The Sherwin-Williams Company
Peter J. Mackulin
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Hydrophilically end-capped polyurethane thickeners
Patent number
6,316,540
Issue date
Nov 13, 2001
The Sherwin-Williams Company
Randolph B. Krafcik
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Coating thickeners comprised of silane-modified polyurethanes
Patent number
5,614,604
Issue date
Mar 25, 1997
The Sherwin-Williams Company
Randolph B. Krafcik
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
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Patent Application
HYBRID LATEX PARTICLES FOR SELF-STRATIFYING COATINGS
Publication number
20140303281
Publication date
Oct 9, 2014
The Sherwin Williams Company
Peter J. MACKULIN
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...