Back to results
US 4,379,911 AGranted
Cross-linking agents for cationic polymers
AssigneeAmerican Cyanamid Company
InventorsGirish G. Parekh, Werner J. Blank, Peter J. Schirmann
Life of this patent
Estimating the term…
Abstract
Amino-formaldehyde products with activated carboxylic ester groups cross-link compounds containing pendant primary or secondary amine groups.
Claims2
A cross-linking agent for compounds containing an average of at least two primary or secondary amine groups per molecule, comprising a melamine compound, the amine groups of which contain as substituents an average of at least two glyoxylic acid ester groups per molecule.
Dependencies are inferred from the claim text.