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:
Dec. 04, 1990
Filed:
Nov. 03, 1989
Elio Cavallo, Savona, IT;
Renzo Torterolo, Savona, IT;
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Abstract
Light-sensitive silver halide photographic materials comprising a support base and one or more hydrophilic colloid layers, at least one of which is a silver halide emulsion layer, at least one hydrophilic colloid surface layer of said photographic materials containing (a) a non-ionic surface active agent having a polyoxyethylene group, (b) a fluorinated organic compound which is the reaction product of a polyoxyalkyleneamine compound and a fluorinated organic acid compound, (c) discrete particles of a water-insoluble matting agent and (d) discrete particles of a water-insoluble surface modifying agent selected in the group of a silicone polymer and colloidal silica.