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:
Nov. 04, 1980
Filed:
Oct. 13, 1978
Applicant:
Inventor:
Isao Kamada, Otake, JP;
Assignee:
Mitsubishi Rayon Company, Limited, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428195 ; 260 4221 ; 264216 ; 428332 ;
Abstract
A multi-colored synthetic resin sheet having an upper surface, a lower surface and a uniformly colored longitudinal cross-section which has at least two longitudinally adjacent different colors, with the boundary portion between the colors being in a gradated state on the upper surface and throughout a transversal section of sheet, is formed by adjacently feeding at least two differently colored polymerizable liquids into a polymerizing apparatus and polymerizing and hardening the materials.