Use of branched polyesters based on citric acid as additive in washing compositions, cleaners, detergents or a formulation for water treatment
US11332700B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 3, 2018 |
| Grant date | May 17, 2022 |
| Priority date | — |
| Expiry date | Jul 17, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2103/08
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
The present invention relates to the use of branched polyesters obtainable by polycondensation of citric acid with at least one polyalcohol, and optionally with polycarboxylic acid component as additive in washing compositions, cleaners, detergents or a formulation for water treatment and to mixtures comprising such branched polyesters. The invention further relates to the use of hydrophobically modified branched polyesters; and to the method for cleaning, washing or water treatment using such branched polyesters.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.