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.:
Date of Patent:
Jan. 11, 1994
Filed:
Apr. 20, 1992
Applicant:
Inventors:
Reinhard Kniewske, Fallingbostel, DE;
Rene Kiesewetter, Soltau-Ahlften, DE;
Klaus Szablikowski, Walsrode, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08B / ; A61K / ; A61K / ; D06B / ;
U.S. Cl.
CPC ...
536 90 ; 536 92 ; 536 99 ;
Abstract
The invention relates to water-soluble sulfoethyl cellulose ethers, more particularly methyl sulfoethyl cellulose ether (MSEC), of very high solution quality, to a process for its production and to the use of these products as thickeners, dispersants or binders.