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
2007-09-04
2011-10-04
Gulakowski, Randy (Department: 1766)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C525S507000
Reexamination Certificate
active
08030418
ABSTRACT:
The invention relates to a modified hydrocarbylphenol-aldehyde resin prepared by reacting a hydrocarbylphenol-aldehyde resin with a primary or secondary amine and further with an epoxide. The invention also provides a process for preparing a modified, hydrocarbylphenol-aldehyde resin and a rubber composition containing such resin.
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International Search Report for PCT/US2007/019271 Dated Jan. 7, 2008.
Banach Timothy E.
Howard L. Scott
Makenzie Todd Scott
Smith Ronald K.
Dollinger Mike M
Gulakowski Randy
LeClairRyan
SI Group, Inc.
Townes Jeffrey N.
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