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:
Jan. 20, 1998
Filed:
Jul. 29, 1996
Applicant:
Inventors:
Noriyuki Akagi, Osaka, JP;
Hiroki Nagano, Matsuyama, JP;
Masami Umeda, Matsuyama, JP;
Naonobu Tadokoro, Chiba-ken, JP;
Kazumoto Miyajima, Matsuyama, JP;
Assignee:
Teijin Limited, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428 357 ; 528272 ; 528275 ; 528288 ; 528480 ; 528503 ; 428 357 ;
Abstract
A loose tube for an optical fiber comprising a polybutylene terephthalate. The polybutylene terephthalate has a terminal carboxyl group concentration of 10 eq./10.sup.6 g.multidot.polymer or less and an intrinsic viscosity �.eta.!, measured at 25.degree. C. in orthochlorophenol, of 0.9 to 1.4 dl/g.
Akagi, Noriyuki. (1998). Polybutylene terephthalate having low carboxyl group concentration and (U.S. Patent No. 5709916). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5709916
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile