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. 18, 1984
Filed:
Apr. 14, 1982
Applicant:
Inventors:
Leslie Shuttleworth, Ormskirk, GB;
Michael H Kearns, Liverpool, GB;
Robert N Gourley, Liverpool, GB;
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C09B / ; C09B / ; C09B / ; D06P / ;
U.S. Cl.
CPC ...
8639 ; 260152 ;
Abstract
Disclosed are mixtures of dyes of the formula ##STR1## wherein R is alkyl of 1-4 carbons; R.sup.1 is H or alkyl of 1-4 carbons; R.sup.2 is alkyl of 1-7 carbons, or ethoxyethoxyethyl; R.sup.3 is H or methoxy; and R.sup.4 is H, methyl, or --NHCOCH.sub.3. These mixtures exhibit improved properties such as reduced energy of application, for example, in the dyeing of polyester and cellulose diacetate or triacetate fibers and their blends with other synthetic and natural fibers.