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:
Sep. 20, 1977
Filed:
Jan. 12, 1976
Applicant:
Inventors:
Brewster B Eskridge, Asheville, NC (US);
Boyce M Lyon, Asheville, NC (US);
Eduard H Boasson, Laag Soeren, NL;
Assignee:
Akzona Incorporated, Asheville, NC (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
D01D / ;
U.S. Cl.
CPC ...
2642 / ; 81156 ; 81301 ; 2642 / ; 427175 ;
Abstract
In continuous spin-draw-winding of nylon 6 to produce yarn filaments of mixed beta-alpha crystalline morphology, the improvement wherein prior to drawing, a spin finish emulsion containing from about 0.1 to about 6% by weight of benzyl alcohol is applied to the filaments to enhance conversion of the beta uniformity of dye acceptance to the drawn filaments.
Eskridge, Brewster. (1977). Process for improving crystallinity in nylon 6 (U.S. Patent No. 4049766). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4049766
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile