Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Reexamination Certificate
2007-04-03
2007-04-03
Zimmer, Marc S. (Department: 1712)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C525S453000, C528S080000, C528S081000, C528S354000, C528S361000
Reexamination Certificate
active
10964502
ABSTRACT:
This invention relates to rapid curing coating compositions that are particularly useful for automotive OEM and refinish applications. The coating composition includes a binder component that contains a novel highly branched copolyester polyol, and a crosslinking component that contains conventional crosslinking agents, such as polyisocyanate and melamine. This invention is also directed to a process for producing coatings from the rapid curing coating compositions. These compositions are especially useful in providing for mar resistant and flexible coatings.
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Barsotti Robert John
Douglas Carl Brent
Lewin Laura A.
Nagato Isao
Wilczek Lech
Deshmukh Sudhir G.
E. I. du Pont de Nemours and Company
Zimmer Marc S.
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