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. 24, 1985
Filed:
Mar. 05, 1984
Kohjin Co., Ltd., Tokyo, JP;
Abstract
A pigmented coating composition comprising a pigment consisting of kaolin clay or TiO.sub.2 or the mixture thereof, or a pigment wherein Al(OH).sub.3 is further blended therein, and also comprising an adhesive consisting of crosslinkable ethylenevinylacetate copolymer aqueous emulsion combined with a crosslinker or of crosslinkable polyacrylate copolymer aqueous emulsion combined with a crosslinker of water-soluble polymaidepolyurea resin and the pigment above and the mixed adhesive are formulated in a ratio of 85:15 to 70:30 as coating composition. This pigmented adhesive composition is primed on the substrate paperboard. Thereby finished ovenable paperboards, being capable of retaining the brightness at least 45% against the heat-treatment of 250.degree. C. for 20 minutes, is free from scorch even in an electrically heating oven and is excellent in adhesion to extrusion-laminating plastic layer.