Patent ID: 11877539
Assignee: COMMONWEALTH SCIENTIFIC AND INDUSTRIAL RESEARCH ORGANISATION
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC A  C | IPC A  C

Claim 9:
10. A process according to claim 1, wherein the ionic groups of the ionic polyurethane are provided by (a) polymer-forming reactions with one or more monomers selected from the group consisting of 2,2-bis(hydroxymethyl) propionic acid (BMPA), tartaric acid, dimethylol butanoic acid (DMBA), glycolic acid, thioglycolic acid, lactic acid, malic acid, dihydroxy malic acid, dihydroxy tartaric acid and 2,6-dihydroxy benzoic acid and (b) neutralisation of the resulting polymer with a tertiary amine.