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. 05, 1976
Filed:
Oct. 05, 1973
Applicant:
Inventors:
Peter Reginald Saunders, Richmond, VA (US);
Robert Alden Lofquist, Richmond, VA (US);
Assignee:
Allied Chemical Corporation, Petersburg, VA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D06P / ;
U.S. Cl.
CPC ...
8165 ; 8173 ; 8168 / ;
Abstract
When from about 0.4 percent to about 3 percent of an alkanolamine such as: ##EQU1## where R is an alkylene of 1 to 13 carbon atoms, an aralkyl such as xylylene, or cycloalkyl, R.sub.1, R.sub.2, R.sub.3, and R.sub.4 are H, alkyl of 1-2 carbon atoms or phenyl wherein R.sub.1, R.sub.2, R.sub.3, and R.sub.4 can be the same or different, is coated on nylon fiber, improved dyefastness is achieved when the fiber is exposed to ozone.