The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 5994531 B1

Date of Patent:

Nov. 30, 1999

Filed:

Mar. 02, 1998

Cellulose ethers containing 2-propenyl groups and use thereof as

Applicant:

Inventors:

Reinhard Doenges, Bad Soden, DE;

Rudolf Ehrler, Floersheim, DE;

Horst Wurm, Wiesbaden, DE;

Assignee:

Clariant GmbH, Frankfurt, DE;

Attorney:

McCann; Philip P.

Primary Examiner:

Tae Yoon

Int. Cl.

CPC ...

C08B / ; C08B / ; C08F / ;

U.S. Cl.

CPC ...

536 93 ; 536 87 ; 536 91 ; 536 95 ; 52623821 ;

Abstract

Water-soluble, nonionic cellulose ethers selected from the group consisting of alkylcelluloses and hydroxyalkylcelluloses having an average degree of polymerization of less than 900 which is substituted by, on average, from 0.01 to 0.04 2-propenyl groups per anhydroglucose unit are used as protective colloids in the preparation of aqueous polymer dispersions.

Find Patent Forward Citations

Doenges, Reinhard. (1999). Cellulose ethers containing 2-propenyl groups and use thereof as (U.S. Patent No. 5994531). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5994531

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile