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:
Nov. 04, 1986
Filed:
Apr. 12, 1985
Applicant:
Inventors:
Mikio Tashiro, Matsuyama, JP;
Kou Tsukiyama, Matsuyama, JP;
Assignee:
Teljin Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D02G / ; D21F / ; D21H / ;
U.S. Cl.
CPC ...
428361 ; 1621573 ; 428395 ; 428401 ;
Abstract
A papermaking polyester fiber having a denier number within the range of from about 0.1 to about 3.0 and a length within the range of from about 5 mm to about 25 mm and providing a packing factor of more than about 40 and a quantity of residual fibers of less than about 1000 mg on a flat screen plate when measured by a flat screen method.