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. 27, 1981
Filed:
Jul. 02, 1979
Applicant:
Inventors:
Neal E Franks, Suffern, NY (US);
Julianna K Varga, Asheville, NC (US);
Assignee:
Akzona Incorporated, Asheville, NC (US);
Primary Examiner:
Int. Cl.
CPC ...
C08B / ; C08L / ;
U.S. Cl.
CPC ...
536 96 ; 106169 ; 106170 ; 1061 / ;
Abstract
A composition and process are provided for making precipitated hydroxyethyl cellulose by dissolving a hydroxyethyl cellulose having a molar substitution of less than 1.0, and a degree of substitution of less than about 0.64 in mixture of water and a tertiary amine oxide solvent, to provide a solution containing from about 10% to about 28% water. Shaped articles can be formed from the solutions of the invention.