Patent · US Expired

Surfactant granules with an improved dissolving rate comprising alky and alkenyl sulfates

US6479452B2 · kind B2 · utility

8Cited by

11References

9Claims

0Family size

Assignee

Cognis Deutschland GmbH & Co. KG · DE

Inventors

Manfred Weuthen · Langenfeld, DE
Ditmar Kischkel · Monheim, DE

Key dates

Filing date	Jun 29, 2001
Grant date	Nov 12, 2002
Priority date	—
Expiry date	Jun 29, 2021

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC11D1/37
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

A surfactant composition containing: (a) from about 75 to 97% by weight of an alkyl sulfate; and (b) from about 3 to 25% by weight of an alkenyl sulfate, all weights being based on the weight of the composition, and wherein the surfactant composition is in granular form.

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