Interference No. 102,922
Interference No. 103,088
* *
0=C--0
where R and R are hydrocarbon groups having from 81 2
to 3Ø carbon atoms, alkenyl succinic anhydrides
wherein the alkenyl group has from 12 to 3Ø carbon
atoms, hydrophobic isocyanates, carbamoyl chlorides
and stearic anhydride, and (b) from about 1Ø to
about 2ØØ%, based upon the weight of cellulose
reactive size, of dispersing agent system comprising
at least about 95% by weight of cationic dispersing
agent selected from the group consisting of cationic
natural polymers, cationic synthetic polymers and
mixtures thereof, in an amount such that the
cellulose reactive size solids added is from about
Ø.Ø25 to about 2.7%, based upon the weight of
inorganic particle.
37
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