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:
Sep. 06, 1988
Filed:
Sep. 23, 1987
Applicant:
Inventors:
David F Oberhauser, Stoneham, MA (US);
Peter H Roth, Needham, MA (US);
Assignee:
Polaroid Corporation, Cambridge, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ; B32B / ; B32B / ;
U.S. Cl.
CPC ...
430220 ; 430227 ; 430523 ; 430535 ; 430536 ; 430950 ; 430961 ; 430497 ; 3502 / ; 428421 ; 428422 ; 428446 ;
Abstract
Photographic film units are disclosed which incorporate an anti-reflection layer comprising a matrix of silica having dispersed therein particles of a fluorinated polymer. Viewing of the image and/or photoexposure are effected through the anti-reflection layer.