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:
Feb. 23, 1993
Filed:
Jan. 29, 1990
Domenico Marinelli, Savona, IT;
Fulvio Furlan, Savona, IT;
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Abstract
A process of simultaneously applying multiple layers of hydrophilic colloidal aqueous coating compositions to a moving support with a multilayer bead coating apparatus, which comprises applying as the first layer next to the support an hydrophilic colloidal aqueous composition comprising a high molecular weight, highly deionized gelatin in which there are dispersed fine droplets of a high temperature boiling water immiscible organic solvent, and a multilayer silver halide photographic material comprising a support on which there are spread at least one silver halide photosensitive layer and at least one auxiliary layer, and said material further comprising, spread over said support under said layers, a hydrophilic colloidal layer comprising high molecular weight, highly deionized gelatin in which there are dispersed fine droplets of a high temperature boiling water immiscible organic solvent.