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. 13, 2012
Filed:
Sep. 27, 2006
Applicants:
Nobuyuki Takano, Kusatsu, JP;
Masashi Ito, Yamashina-ku, JP;
Makoto Nishimura, Otsu, JP;
Inventors:
Assignee:
Toray Industries, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 39/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
This invention relates to a nonwoven fabric for filters, in which a melt blown nonwoven fabric formed of polybutylene terephthalate or polypropylene terephthalate fibers with an average fiber diameter of 1 to 8 μm and a spunbonded nonwoven fabric formed of polyester-based fibers with an average fiber diameter of 10 to 30 μcm are laminated for integration.
Takano, Nobuyuki. (2012). Nonwoven fabric for filters (U.S. Patent No. 8308833). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8308833
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile