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. 13, 1984
Filed:
Nov. 02, 1982
Applicant:
Inventor:
Fridolin Babler, Allschwil, CH;
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
524 88 ; 524102 ; 524242 ; 524358 ; 524599 ; 524605 ;
Abstract
A process for coloring linear polyesters in the melt in navy blue and dark blue shades, which process comprises using, as colorant, a mixture consisting of 0.2 to 1% by weight of perylenetetracarboxylic acid bis-methylimide, based on the amount of polyester, and a blue polymer-soluble colorant.
Babler, Fridolin. (1984). Process for the coloration of linear polyesters in the melt with (U.S. Patent No. 4436852). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4436852
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile