D - Textiles – Paper – 21 – J
Patent
D - Textiles, Paper
21
J
154/99, 8/93.57
D21J 1/08 (2006.01)
Patent
CA 1124458
Samuel Serota Leonard Silbert Gerhard Maerker SIZED PAPER AND METHOD FOR PRODUCING SAME Abstract of the Disclosure Paper and paperboard made of felted cellulose fibers are chemically modified by applying to them an enol ester containing a catalytic amount of an acid catalyst and then heat curing the treated product, The process imparts water repellancy to the paper products with a very low degree of add-on, but with a very high degree of retention of tensile strength. The products also have excellent printability, are resistant to boiling water, and retain their opacity after exposure to water.
321533
Maerker Gerhard
Serota Samuel
Silbert Leonard S.
Fetherstonhaugh & Co.
The United States Of America Represented By The Secretary
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