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:
Apr. 20, 1976
Filed:
Sep. 25, 1974
Helmut Buhler, Essen, DT;
Th. Goldschmidt AG, , DT;
Abstract
A method for coloring, dyeing-in or inking absorptive, rough surface paper, particularly paper which is subsequently saturated and/or impregnated with a solution of a heat-hardenable synthetic resin and then dried and pressed on a substrate, such as, wood panels, with as thin as possible a layer of coloring agent having an optically uniform coloring, in which the paper is colored by applying a magnetic roller coloring process thereto and, before or after such coloring, the paper is printed by a copperplate intaglio printing process or a flexographic (flexo-relief) printing process.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile