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
2005-04-28
2009-11-17
Lipman, Bernard (Department: 1796)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C525S329900, C525S330100, C525S375000, C525S379000, C525S380000, C525S382000, C525S384000
Reexamination Certificate
active
07619040
ABSTRACT:
A composition that includes a non-gelled copolymer that contains residues having structural units (I):where n is an integer from 1 to 10,000; R1is linear or branched C1to C4alkyl; R2is selected from the group consisting of methyl, linear, cyclic or branched C2to C20alkyl, alkenyl, aryl, alkaryl and aralkyl, and R3is a group resulting from a post polymerization reaction selected from transesterification, transamidification and hydrolysis with a compound selected from hydroxy functional compounds and amine functional compounds. The composition may contain co-reactive functional groups and may be a thermosetting composition. A substrate may be coated with the thermosetting composition singly or as part of a multi-layer composite coating that includes a base coat layer and a substantially pigment free top coat layer.
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Barancyk Steven V.
Coca Simion
Coleridge Edward R.
McCollum Gregory J.
O'Dwyer James B.
Altman Deborah M.
Diaz Robert A.
Lipman Bernard
PPG Industries Ohio Inc.
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