Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Reexamination Certificate
2005-12-27
2005-12-27
Brunsman, David (Department: 1755)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
C106S277000
Reexamination Certificate
active
06979705
ABSTRACT:
Water-based coal tar emulsions are described which are prepared from a blend comprising coal tar, water, acrylonitrile-butadiene copolymer powders and clay. After the emulsion is prepared from the blend, a rubber latex may be added to the emulsion. Films obtained from the emulsions exhibit desirable elongation and tensile properties.
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GB0500082.3; Search Report under Section 17 dated May 10, 2005.
Brzozowski Kenneth J.
D'Anza Brian D.
Duda Joseph F.
McDowell Donald L.
Brunsman David
Renner , Otto, Boisselle & Sklar, LLP
W.P. Hickman Systems Inc.
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