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:
May. 21, 1991
Filed:
Aug. 29, 1988
Chisso Corporation, Ohsaka, JP;
Abstract
Dyeable polypropylene (PP) fibers for clothes having improved processing properties such as spinning properties, knitting or weaving properties, dyeability are provided, which fibers are obtained by having (a) a 5-20C alkyl phosphate salt or (b) a mixture thereof with an adduct of ethylene oxide to a 6-20C fatty acid in a proportion of the adduct of 1-90% by weight, attached onto dyeable PP fibers obtained by blending a copolymer of an aminoalkyl acrylate with ethylene with a PP and carrying out melt-spinning using the blend as at least one component of the resulting dyeable PP fibers, the amount of (a) or (b) attached onto the fibers in terms of % by weight of the fibers being adjusted so as to satisfy the following expression: ##EQU1## wherein d represents the denier of single fiber.