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. 05, 1993
Filed:
Nov. 15, 1991
Applicant:
Inventors:
Rene Kiesewetter, Soltau-Ahlften, DE;
Klaus Szablikowski, Walsrode, DE;
Assignee:
Wolff Walsrode Aktiengesellschaft, Walsrode, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08S / ;
U.S. Cl.
CPC ...
536 90 ; 536 91 ; 536 92 ;
Abstract
Water-soluble hydroxypropyl sulfoethyl cellulose derivatives having an average degree of substitution (DS) with sulfoethyl groups of <0.3 and a molar degree of substitution (MS) with hydroxypropyl or <2.
Quick Actions:
Kiesewetter, Rene. (1993). Water-soluble hydroxypropyl sulfoethyl cellulose derivatives (hpsec) (U.S. Patent No. 5177199). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5177199
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile