US PATENT SUBCLASS 162 / 168.7
.~.~.~.~ Ester type
Current as of:
June, 1999
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162 /
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PAPER MAKING AND FIBER LIBERATION
100
DF
PROCESSES AND PRODUCTS
{31}
158
DF
.~ Non-fiber additive {16}
164.1
DF
.~.~ Synthetic resin {9}
168.1
DF
.~.~.~ Polymerized unsaturated compound {4}
168.7
.~.~.~.~ Ester type
DEFINITION
Classification: 162/168.7
Ester type:
(under subclass 168.1) Subject matter wherein the unsaturated monomer is the reaction product of an alcohol, or a phenol with an acid.