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. 16, 1993
Filed:
Jun. 19, 1991
Applicant:
Inventors:
Assignee:
Teijin Limited, Osaka, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D01F / ;
U.S. Cl.
CPC ...
106499 ; 106400 ; 106401 ; 106493 ; 106311 ; 8512 ; 8516 ; 86371 ; 8924 ; 252351 ; 252356 ; 428395 ;
Abstract
A liquid pigment composition for master-coloring polyamides is described, which is comprised of a pigment and a pigment dispersant composed of a polymeric material selected from liquid polyesters and a liquid polyether esters, each having a hydroxyl value of 30 to 120 mg.KOH/g. The amount of the pigment dispersant is usually 30 to 3,000 parts by weight per 100 parts by weight of the pigment. A master-colored polyamide yarn also is described which contains, based on the weight of the yarn, 0.01 to 2% by weight of a pigment ingredient and up to 6% by weight of the above-mentioned pigment dispersant.