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:
Mar. 02, 2004
Filed:
Nov. 14, 2002
Applicant:
Inventors:
Assignee:
Kuraray Co., Ltd., Kurashiki, JP;
Primary Examiner:
Int. Cl.
CPC ...
D01F 6/00 ;
U.S. Cl.
CPC ...
D01F 6/00 ;
Abstract
Biodegradable fibers of polylactic acid having a number-average molecular weight of from 50,000 to 150,000, have an interior portion having a higher alkali solubility than the exterior portion of the fiber. The fibers also have from 5 to 50 cracks/10 cm. The physical properties of these fibers are suitable for practical use, and the biodegradation of these fibers is controllable.
Yotsutsuji, Susumu. (2004). Biodegradable fibers and fabrics, and method for controlling their biodegradability (U.S. Patent No. 6699581). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6699581
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile