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:
Feb. 27, 1979
Filed:
Oct. 27, 1977
Applicant:
Inventors:
Assignee:
Toray Industries, Inc., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
526-4 ; 260 / ; 264169 ; 264211 ; 526 74 ; 528319 ;
Abstract
When magnesium oxide in which the half-width of the X-ray diffraction profile at (200) as determined according to a specific method is at least 0.3 is incorporated in an amount of 0.05 to 2.0% by weight in polycaprolactam, a polycaprolactam composition having an improved spinnability is obtained.
Kato, Tetsuya. (1979). Polycaprolactam composition having improved melt spinnability and method (U.S. Patent No. 4142031). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4142031
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile