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:
Jun. 14, 1988
Filed:
Mar. 24, 1986
Applicant:
Inventors:
Udo Bergmann, Darmstadt, DE;
Erwin Hahn, Heidelberg, DE;
Guenter Hansen, Ludwigshafen, DE;
Helmut Reichelt, Niederkirchen, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C09B / ; C09B / ; D06P / ; D06P / ;
U.S. Cl.
CPC ...
534791 ; 534573 ; 534753 ; 534887 ;
Abstract
The compounds of the formula I ##STR1## where R is unsubstituted or substituted phenyl or naphthyl, R.sup.1 and R.sup.2 are each unsubstituted or substituted alkyl, alkenyl or cycloalkyl, and one of the radicals may furthermore be hydrogen, R.sup.3 is hydrogen, methyl, methoxy, ethoxy or chlorine, and R.sup.4 is acylamino, are particularly useful for dyeing polyesters.