C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
402/273, 9/57
C08G 59/10 (2006.01) C08G 69/48 (2006.01) C08G 71/02 (2006.01) D21H 17/55 (2006.01) D21H 17/57 (2006.01)
Patent
CA 1226091
WET STRENGTH RESINS Abstract of the Disclosure Disclosed are novel wet strength resins for paper. The resins are produced by reacting an epihalohydrin, such as epichlorohydrin, with an aminopolyamide-polyureylene inter- mediate derived by reacting methylbisaminopropylamine with oxalic acid or a diester of oxalic acid and with urea.
453988
Fetherstonhaugh & Co.
Hercules Incorporated
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