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:
Jul. 12, 1977
Filed:
Jun. 24, 1974
Applicant:
Inventors:
Tadakazu Endo, Mishima, JA;
Masanori Takeuchi, Mishima, JA;
Tuneo Hanada, Mishima, JA;
Kiyoshi Nakagawa, Mishima, JA;
Hideo Komatsu, Mishima, JA;
Itaru Nakamura, Mishima, JA;
Assignee:
Toray Industries, Inc., , JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
260860 ; 260D / ; 264171 ; 264D / ;
Abstract
A polyester filament in which a polyether-polyester block copolymer is dispersed as fine striae along the filament axis, at least one of which is substantially endless. Process for preparing the same includes a melt spinning apparatus with static mixing elements interposed between separate molten polymer feed passageways and spinneret holes.