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. 11, 2002
Filed:
Jun. 07, 2000
Applicant:
Inventors:
Assignee:
DuPont Toray Co. Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D01F 6/70 ; D01F 6/94 ;
U.S. Cl.
CPC ...
D01F 6/70 ; D01F 6/94 ;
Abstract
Dry-spun polyurethane-based spandex ® containing 1-10 weight percent poly(vinylpyrrolidone) and a process of their preparation, are provided.
Ito, Shingo. (2002). Process for the manufacture of spandex and the spandex made thereby (U.S. Patent No. 6403712). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6403712
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile