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. 16, 1999
Filed:
Jul. 03, 1997
Yasuo Yamamura, Matsuyama, JP;
Mikio Tashiro, Matsuyama, JP;
Yasuyuki Yamazaki, Osaka, JP;
Takeshi Honjou, Ibaraki, JP;
Nobuyuki Yamamoto, Matsuyama, JP;
Michihiro Yamada, Tokuyama, JP;
Teijin Limited, Osaka, JP;
Abstract
Elastic polyester fibers having a high anti-cohesive property (separability) include (A) a polyester elastomer and (B) 0.2 to 10%, based on the weight of the elastomer, of an anti-cohesive agent including (a) at least one alkali metal salt of organic sulfonic acid of the formula: R.sup.1 --S0.sub.3 M, wherein R.sup.1 =C.sub.5-25 hydrocarbon group, M=alkali metal, and (b) at least one compound of the formulae (2)-(6): R.sup.2 --X.sub.p --CH.sub.2 CH.sub.2 OH (2), R.sup.3 --COO--CH.sub.2 CH(OH)CH.sub.2 OH (3), R.sup.4 --COO--(CH.sub.2 CH.sub.2 O).sub.m --H (4), R.sup.5 --O--(CH.sub.2 CH.sub.2 O).sub.n H (5) and R.sup.6 --CONHCH.sub.2 CH.sub.2 NHCO--R.sup.7 (6), wherein R.sup.2 -R.sup.7 =C.sub.5-25 hydrocarbon group, X=--CONY or ##STR1## group, p=0 or 1, m, n=5 to 50.