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. 10, 1995
Filed:
May. 24, 1994
Applicant:
Inventors:
Walter Heimling, West Warwick, RI (US);
Mark Helle, Hope, RI (US);
Kerry Proulx, Coventry, RI (US);
Leslie McIntosh, Charlotte, NC (US);
Philomen DeCroos, Coventry, RI (US);
Assignee:
Hoechst Celanese Corporation, Somerville, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D06P / ; C09B / ; C09B / ; C09B / ;
U.S. Cl.
CPC ...
8549 ; 8641 ; 8662 ; 8682 ; 8683 ; 8685 ; 8687 ; 8924 ;
Abstract
The invention is a dye composition containing two or more dyes of the vinyl sulfone type which can be used in combination to dye polyamide substrates. Preferably the dye compositions of the invention contain at least three dyes of different primary colors.
Heimling, Walter. (1995). Dye compositions for polyamides (U.S. Patent No. 5456727). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5456727
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile