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. 30, 1979
Filed:
Sep. 02, 1977
Applicant:
Inventors:
Chung-Ming Kuo, Kingsport, TN (US);
Richard H Wang, Kingsport, TN (US);
Richard T Bogan, Kingsport, TN (US);
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ; C08L / ; C08L / ;
U.S. Cl.
CPC ...
260 13 ; 260 / ; 2641 / ; 264200 ;
Abstract
This invention is directed to a new thermal stabilizer system for cellulose esters and their commercially useful formulated compositions which can be molded, shaped and otherwise processed in a thermoplastic condition at elevated temperatures to provide products having (1) better molecular weight retention and (2) less discoloration after thermal processing when compared to similar cellulose ester compositions containing prior art stabilizers.