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:
Oct. 04, 1977
Filed:
Aug. 16, 1972
Applicant:
Inventors:
Robert P Kreahling, Fairfield, CT (US);
Donald J Casey, Ridgefield, CT (US);
David Z Goldenberg, Mentor, OH (US);
Assignee:
American Cyanamid Company, Stamford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D01D / ;
U.S. Cl.
CPC ...
2642 / ; 264137 ; 427171 ;
Abstract
Polyester filaments of improved drawability and improved adhesion to rubber are prepared by applying to polyester filaments coated with aromatic isocyanate containing at least two isocyanate groups per molecule 0.02 to 0.4% on weight of fiber of a hydroxy-containing finish less than 1 hour prior to drawing such filaments to 4 to 7 times their undrawn length.