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:
Mar. 07, 1978
Filed:
Jul. 07, 1976
Applicant:
Inventors:
Tomio Kuroki, Otsu, JA;
Teramae Kazuhiro, Otsu, JA;
Assignee:
Toyo Boseki Kabushiki Kaisha, Osaka, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D06M / ;
U.S. Cl.
CPC ...
8196 ; 8DIG / ; 8190 ;
Abstract
A process for inhibiting fiber yellowing occuring at the time of the alkaline treatment, which comprises treating fibrous material with an alkaline substance, a functional compound capable of reacting under alkaline conditions, and aminoacid or the derivative thereof, and thereafter subjecting said treated fibrous material to the heat treatment at a temperature of 100.degree. C or higher.