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:
Nov. 24, 1992
Filed:
May. 02, 1991
Applicant:
Inventor:
Jorn Breckwoldt, Rotenburg, DE;
Assignee:
Wolff Walsrode Aktiengesellschaft, Walsrode, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08B / ; C08B / ;
U.S. Cl.
CPC ...
536 84 ; 536 90 ; 536 91 ; 536 95 ; 536 99 ; 536124 ;
Abstract
The new thermoplastic methyl hydroxypropyl cellulose ethers have an average degree of substitution with methyl groups of 1.5 to 2.9 and a molar degree of substitution with hydroxypropyl groups of 1.4 to 1.9.
Breckwoldt, Jorn. (1992). Methyl hydroxypropyl cellulose ethers and a process for their production (U.S. Patent No. 5166333). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5166333
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile