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:
Sep. 20, 1994
Filed:
Apr. 20, 1993
Applicant:
Inventors:
Akira Nakamura, Kawasaki, JP;
Ryosuke Kamei, Kawasaki, JP;
Takeshi Takahashi, Kawasaki, JP;
Tetuya Takahashi, Kawasaki, JP;
Shigenori Terazono, Kawasaki, JP;
Eiichiro Takiyama, Kamakura, JP;
Assignee:
Showa Highpolymer Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
26417717 ; 528272 ; 528288 ; 528296 ; 528302 ; 528307 ; 528350 ; 528353 ; 525437 ; 525440 ; 2641771 ; 2642107 ;
Abstract
Flat and split yarn formed by extrusion molding, comprising as a main component an aliphatic polyester having a melt viscosity of 2.0.times.10.sup.3 -4.0.times.10.sup.4 poises at a temperature of 190.degree. C. and a shear rate of 100 sec.sup.-1, and having a melting point of 70.degree.-190.degree. C. The present invention provides flat and split yarn having excellent in heat stability and mechanical strength as well as having biodegradability.