Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – Shaping against forming surface
Reexamination Certificate
2006-04-18
2006-04-18
Pezzuto, Helen L. (Department: 1713)
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
Shaping against forming surface
C264S330000, C264S331110, C264S331120, C264S331150, C264S333000, C526S266000, C526S292700, C526S309000, C526S317100, C526S318200, C526S318400, C526S320000, C526S328500, C526S330000, C526S333000
Reexamination Certificate
active
07029618
ABSTRACT:
The present invention relates compositions containing acetoacetylated polyvinyl polymers obtained from polyvinyl polymers, such as polyvinyl butyrals. These coating compositions are especially suitable for use as wash primers in automotive OEM and refinish coating applications.
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Del Reactor, F.; Blount, W. W.; and Leonard, D. R. Applications for Acetoacetyl Chemistry in Thermoset Coatings. J. Coat Tech 61, (771) 31 (89).
Synthesis of Acetoacetylated Resins and Applications for Acetoacetate Chemistry in Thermoset Coatings, F. Del Rector and J. S. Witzeman, Surface Coatings Autralia 25 (6) 1989.
Pelosi Lorenzo Fred
Sormani Patricia Mary Ellen
Deshmukh Sudhir G.
E.I. duPont de Nemours and Company
Pezzuto Helen L.
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