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:
Oct. 15, 1985
Filed:
Oct. 20, 1983
Applicant:
Inventor:
Joseph L Garner, Sanford, MI (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08B / ; C08B / ;
U.S. Cl.
CPC ...
536 84 ; 536 99 ; 536100 ;
Abstract
Improved reaction efficiencies are obtained when water is removed during a reaction of alkali cellulose and an etherifying agent to produce cellulose ethers. The removal of water during the etherification reaction reduces the amount of by-products formed during the reaction.
Garner, Joseph. (1985). Process for preparing cellulose ethers (U.S. Patent No. 4547570). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4547570
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile