C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
8/44, 260/540.1,
C08G 73/02 (2006.01) D06L 3/12 (2006.01) D06P 1/54 (2006.01) D06P 1/649 (2006.01) D06P 5/08 (2006.01)
Patent
CA 1227215
IMPROVEMENTS IN OR RELATING TO ORGANIC COMPOUNDS Abstract of the Disclosure A precondensate obtained by reacting A) the product of reacting a mono- or polyfunctional primary or secondary amine with cyanamide, dicyandiamide, guanidine or bi- guanidine and B) an epihalohydrin is obtained in the form of a stable aqueous dispersion by acidifying the reaction product, optionally in the presence of a water-soluble polymer. The product is useful as an after-treatment agent to improve the fastness of dyeings on cotton, wool or silk.
457637
Bennett Brian
Clough Donald K.
Kirby Eades Gale Baker
Sandoz Ltd.
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