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. 27, 1996
Filed:
Feb. 21, 1991
Etienne A Van Thillo, Essen, BE;
Bavo A Muys, Mortsel, BE;
Agfa-Gevaert, N.V., Mortsel, BE;
Abstract
A sheet or web material being a subbed or unsubbed hydrophobic resin support or paper support coated with at least one hydrophobic resin layer and having at least on one side thereof an antistatic layer containing for at least 70% by weight colloidal silica having an average particle size not larger than 10 nm and a surface area of at least 300 m.sup.2 per gram, the colloidal silica being present in said antistatic layer at a coverage of at least 50 mg per m.sup.2, characterized in that said antistatic layer is coated with a covering layer having a smaller sticking power to a gelatin layer than said silica containing layer, said covering layer containing at least 50% by weight of a water-insoluble synthetic polymer being applied at a dry coverage in the range of 0.01 to 2 g/m.sup.2.