Patent · US Expired

Cellulose ethers containing butenyl groups and use thereof as protective colloids in polymerizations

US6111011A · kind A · utility

0Cited by

7References

10Claims

0Family size

Assignee

Clariant Corporation · DE

Inventors

Reinhard Doenges · Bad Soden, DE
Rudolf Ehrler · Frankenthal (Pfalz), DE
Horst Wurm · Wiesbaden, DE

Key dates

Filing date	Nov 19, 1998
Grant date	Aug 29, 2000
Priority date	—
Expiry date	Nov 19, 2018

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08F290/10
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Water-soluble, nonionic cellulose ethers selected from the group consisting of alkylcelluloses and hydroxyalkylcelluloses which are additionally substituted by butenyl groups are used as protective colloids in the preparation of aqueous polymer dispersions.

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