Patent ID: 11912937
Assignee: NOURYON CHEMICALS INTERNATIONAL B.V.
Field: Basic materials chemistry (Chemistry)
Classification: CPC C  E | IPC C  E

Claim 14:
15. The process as claimed in claim 14, wherein the element to suppress precipitation of calcium glycolate is a chelating agent comprising at least one monovalent carboxylate salt group and furthermore comprises a carbon chain carrying at least five hydroxyl groups, and/or a scale inhibitor comprising a homopolymer of maleic acid or acrylic acid or a copolymer of maleic acid and acrylic acid, having a total number of carboxyl groups between about 5 and about 200, or a salt thereof, wherein the homopolymer or copolymer optionally comprises one or more phosphonic or sulfonic functional groups, and wherein total number of carboxyl groups is calculated from the weight average molecular weight of the homopolymer or copolymer as determined by size exclusion chromatography relative to polymethacrylic acid standards.