Patent · US Expired

Solid detergent compositions and methods of preparing the same

US6919305B2 · kind B2 · utility

2Cited by

4References

27Claims

0Family size

Assignee

Cognis Deutschland GmbH & Co. KG · DE

Inventors

Ditmar Kischkel · Monheim, DE
Manfred Weuthen · Langenfeld, DE
Michael Elsner · Solingen, DE

Key dates

Filing date	Jan 28, 2004
Grant date	Jul 19, 2005
Priority date	—
Expiry date	Jan 28, 2024

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC11D2111/14
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Solid laundry detergents, dishwashing detergents and cleaners which are obtained by mixing gemini surfactants of the formula (I),R1CH(OH)CHR3(OCH2CH2)nOCHR4CH(OH)R2 (I)in which R1 and R2,independently of one another, are linear or branched alkyl and/or alkenyl radicals having 4 to 22 carbon atoms, R3 and R4, independent of one another, each represents a hydrogen or an alk(en)yl radical having from 1 to 22 carbon atoms and n is a number from 5 to 400, with inorganic or organic carriers.

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