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. 02, 1990
Filed:
Mar. 28, 1990
Yoshikatsu Satake, Iwaki, JP;
Shinji Yamamoto, Urawa, JP;
Takashi Kaneko, Tokyo, JP;
Masahito Tada, Matsudo, JP;
Ken Kashiwadate, Iwaki, JP;
Toshiya Mizuno, Tsuchiura, JP;
Hiroyuki Endo, Shimoinayoshi, JP;
Takayuki Katto, Iwaki, JP;
Zenya Shiiki, Narashino, JP;
Kureha Kagaku Kogho K.K., , US;
Abstract
Disclosed herein are poly(arylene thioether) block copolymer fibers formed by melt-spinning a thermoplastic material composed of (A) 100 parts by weight of a particular poly(arylene thioether) block copolymer, (B) up to 50 parts by weight of at least one other thermoplastic resin and (C) up to 10 parts by weight of at least one filler. The poly(arylene thioether) block copolymer alternatively comprises at least one poly(arylene thioether-ketone) block having predominant recurring units of the formula ##STR1## wherein the --CO-- and --S-- are in the para position to each other and at least one poly(arylene thioether) block having predominant recurring units of the formula