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:
Aug. 16, 1983
Filed:
Jan. 06, 1982
Applicant:
Inventor:
Karl D Sears, Shelton, WA (US);
Assignee:
ITT Corporation, New York, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08B / ;
U.S. Cl.
CPC ...
536 70 ; 536101 ;
Abstract
Highly reactive cellulose is prepared by mercerizing cellulosic material and reacting it with an hydroxyalkylating agent to a degree of substitution ranging from 0.05 to 0.3, said degree of substitution being short of rendering the cellulose appreciably soluble in water. The highly reactive cellulose is particularly useful for the preparation of such cellulose derivatives as cellulose acetate at considerably improved production levels.