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. 04, 1977
Filed:
Jun. 03, 1975
August Jean Van Paesschen, Antwerp, BE;
Lucien Janbaptist Van Gossum, Kontich, BE;
Jan Jozef Priem, Mortsel, BE;
AGFA-GEVAERT N.V., Mortsel, BE;
Abstract
The adhesion of hydrophilic layers on a dimensionally stable polyester film support is improved by applying after longitudinal stretching of the polyester film a single adhesive layer thereon. The thus covered polyester film is stretched in transverse direction and heat-setted at 180.degree.-220.degree. C. The adhesive layer comprises 30 to 80 % by weight of a chlorine-containing copolymer, 5 to 30 % by weight of gelatin, 5 to 40 % by weight of a plasticizer for the gelatin and 0 to 30 % by weight of a metal-complexing antistatic agent. The polyester film may be a film of polyethylene terephthalate and the hydrophilic layer applied to the single adhesive layer may be a light-sensitive gelatin silver halide emulsion layer.