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:
Oct. 05, 1982
Filed:
Feb. 23, 1981
Applicant:
Inventors:
Karl-Heinz Spiess, Much-Schwellenbach, DE;
Harald Stock, Konigswinter, DE;
Assignee:
Dynamit Nobel Aktiengesellschaft, Troisdorf, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D06P / ;
U.S. Cl.
CPC ...
8444 ; 430332 ;
Abstract
A process for the production of colorful and figurative designs of shaped synthetic-resin articles with the use of colorants, involves the step of coloring a shaped article formed of a synthetic resin at least partially with a colorant that changes color by being exposed to ionizing rays and the step of exposing the article to ionizing rays in selected zones corresponding to the figurative design until color changes are achieved.