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:
Jul. 15, 1986
Filed:
Mar. 21, 1985
Applicant:
Inventors:
Assignee:
Agfa-Gevaert, N.V., Mortsel, BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B28B / ; B29C / ; C08L / ;
U.S. Cl.
CPC ...
264300 ; 106177 ;
Abstract
Film-forming cellulose ester compositions containing at least one solvent and at least one phosphate as stripping aid, said phosphate being a mono- or di-C.sub.12 -C.sub.20 alkyl phosphate, the non-esterified hydroxyl group(s) of which is (are) in the free acid form. The invention also relates to a method of manufacturing cellulose ester film, comprising adding to cellulose ester, at least one solvent and at least one above defined phosphate, casting the resulting film-forming cellulose ester composition on a smooth casting surface, and stripping said cellulose ester composition in the form of a film.