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:
Aug. 27, 1996
Filed:
Feb. 03, 1995
Applicant:
Inventors:
Paresh J Sheth, Sugarland, TX (US);
Venkatramana Chandrashekar, League City, TX (US);
Roger R Kolm, The Woodlands, TX (US);
Assignee:
Lyondell Petrochemical Company, Houston, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
D06P / ; D01F / ; D01F / ; C08L / ;
U.S. Cl.
CPC ...
525194 ; 525227 ; 8497 ; 8928 ; 524 83 ; 524 88 ; 524107 ; 524190 ; 524260 ; 524358 ; 524523 ;
Abstract
Disperse dyeable compositions of ethylene alkyl acrylate grafted onto polypropylene are provided. A process for disperse dyeing polypropylene fibers is provided. This process comprises (a) extruding the polypropylene with about 2 to 10% by weight of a thermoplastic copolymer of ethylene and alkyl acrylates having one to four carbon atoms in the alkyl group into fibers, and (b) exposing the fibers to a disperse dye bath containing a selected disperse dye.