Chemistry of carbon compounds – Miscellaneous organic carbon compounds
Patent
1974-09-27
1976-06-29
Anderson, Harold D.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
260 292EP, C08G 7104
Patent
active
039666840
ABSTRACT:
Disclosed are novel retention aid resins for paper fillers, said resins being derived by reaction of a nitrogen compound (such as ammonia) and a base resin which is the reaction product of an amino polymer and an epoxide difunctional toward amines. A specific example of such a base resin is a cationic water-soluble polyaminopoly-ureylene -- epihalohydrin resin.
REFERENCES:
patent: 3240664 (1966-03-01), Earle
patent: 3311594 (1967-03-01), Earle
patent: 3729437 (1973-04-01), Bernheim et al.
Espy Herbert H.
Putnam Stearns T.
Anderson Harold D.
Board Charles L.
Hercules Incorporated
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