Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Reexamination Certificate
2008-03-17
2009-10-27
Egwim, Kelechi C (Department: 1796)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
C524S561000, C524S564000, C524S803000, C526S318300, C526S318400, C526S318440, C526S318500, C526S330000, C526S329600
Reexamination Certificate
active
07608662
ABSTRACT:
The present invention is a composition useful for coating the surface of paper wherein the coating composition is an aqueous solution comprising less than 40 wt % water and consisting essentially of a polyvinyl alcohol copolymer that is at least about 95% hydrolyzed, and a process for preparing the same.
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Collins G. Michael
Echt Elliott
Morken Peter A.
E. I. du Pont de Nemours and Company
Egwim Kelechi C
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