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:
Apr. 13, 1982
Filed:
Sep. 01, 1978
Applicant:
Inventor:
Julianna K Varga, Asheville, NC (US);
Assignee:
Akzona Incorporated, Asheville, NC (US);
Primary Examiner:
Int. Cl.
CPC ...
C08J / ; C08J / ; C08L / ;
U.S. Cl.
CPC ...
106203 ; 106186 ; 162 71 ; 162 72 ;
Abstract
A solution containing cellulose dissolved in a mixture of a tertiary amine N-oxide solvent for cellulose and a compound which increases the rate of dissolution of cellulose in the solvent such as a tertiary amine or other compound which increases the pH of the solvent, a process for making such a solution and a process for making shaped articles therefrom are provided. The solvent dissolves cellulose at a faster rate and at a lower temperature than a solvent consisting of the same tertiary amine N-oxide.