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. 02, 1996
Filed:
Jul. 27, 1994
Applicant:
Inventors:
Assignee:
Rhone-Poulenc Rhodia Aktiengesellschaft, Freiburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ; C08J / ; C08B / ; D01F / ;
U.S. Cl.
CPC ...
524 41 ; 536 69 ; 527300 ; 2641761 ; 2641771 ; 264211 ; 106176 ; 106180 ; 106196 ; 106198 ; 1061731 ;
Abstract
A plasticized cellulose acetate is described with a content of a modified cellulose acetate A comprising a grafted oligomer of a cyclic ester, in particular in the form of .epsilon.-caprolactone, which comprises additionally a plasticizing agent in the form of an oligomer B of a cyclic ester, and the terminal carboxyl group of the oligomer is esterified with an alcohol or an alcohol derivative having at least one free hydroxyl group, with a boiling point of at least approximately 120.degree. C. and a melting point of no more than approximately 180.degree. C. and the ratio of weight of component A to B is represented by the formula (I)