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:
Jun. 19, 2001
Filed:
Aug. 27, 1998
Yoshihiko Hosako, Otake, JP;
Teruyuki Yamada, Otake, JP;
Katsuhiko Shinada, Otake, JP;
Hideaki Habara, Otake, JP;
Shigeki Ogawa, Otake, JP;
Sadatoshi Nagamine, Otake, JP;
Keiji Hirota, Toyama, JP;
Takashi Kozakura, Otake, JP;
Mitsubishi Rayon Co., Ltd., Tokyo, JP;
Abstract
The present invention provides fibril system fibers which may be employed in filter applications and in artificial leather applications, and also provides an industrially superior manufacturing method for such fibril system fibers, and a spinning nozzle. The fibril fibers of the present invention include at least one macromolecular polymer having a film forming ability, and they have a structure in which fibrillated fibers having a diameter of 10 micrometers or less branch from main fibers having a width within a range of 0.1 micrometers-500 micrometers, and a length within a range of 10 micrometers-10 cm.