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:
Apr. 27, 1993
Filed:
Feb. 05, 1992
Tree Extracts Research Association, Tokyo, JP;
Abstract
A fragrant non-hollow core-in-sheath type composite staple fiber having a length of from 3 mm to 150 mm and useful for gradual fragrance-emitting textile materials comprises (1) a non-hollow core portion comprising (i) 0.1 to 5% of an essential oil and (ii) the balance consisting of an olefin polymer composition; and (2) a sheath portion covering the core portion and comprising a polyester resin, the olefin polymer composition (ii) comprising: (A) 50 to 98% by weight of an olefin polymer which is a polymerization product of at least one member selected from ethylene and .alpha.-olefins, and free from polar radicals; and (B) 2 to 50% by weight of a modified olefin polymer that is a copolymerization product of (a) 70 to 97% by weight of at least one olefin with (b) 3 to 30% by weight of at least one ethylenically unsaturated polar monomer selected from ethylenically unsaturated carboxylic acids, ethylenically unsaturated alcohols, ethylenically unsaturated esters, anhydrides and amides of the above-mentioned carboxylic acids and uniformly blended with the olefin polymer (A).