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:
Apr. 11, 1978
Filed:
Jan. 26, 1977
Applicant:
Inventors:
Robert Alden Lofquist, Richmond, VA (US);
John Christopher Haylock, Richmond, VA (US);
Assignee:
Allied Chemical Corporation, Morris Township, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
2608 / ; 260 / ;
Abstract
This invention discloses the improved method of making nylon cationic dyeable whereby the soluble lithium, magnesium or calcium salt of a sulfonated polystyrene is added, to provide improved lightfastness and ozone resistance over conventional cationic dyeable nylon.