Patent · US Expired

Pre-mixes intended to be added to detergent powders by post-addition

US4076643A · kind A · utility

4Cited by

10References

13Claims

0Family size

Assignee

Solvay & Cie · BE

Inventors

Jacques Brahm · Grimbergen, BE
Julien Mulders · Dworp, BE

Key dates

Filing date	Oct 9, 1974
Grant date	Feb 28, 1978
Priority date	—
Expiry date	Oct 9, 1994

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC11D3/3761
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

The free flowing premixes which are intended to be added to detergent or washing powders, consists of particles which comprise, in the form of a water-soluble salt, a linear or branched hydroxycarboxylic polymer or copolymer, the main chain of which contains essentially carbon and carries carboxyl and hydroxyl groups in the respective proportion of 1:10 to 20:1, and one or more surface-active agents which are liquid or paste-like at a temperature below 180.degree. C, in combination with the said polymer or copolymer.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.