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:
Nov. 30, 1982
Filed:
Mar. 17, 1981
Joachim W Otten, deceased, late of Offenbach am Main, DE;
by Ursula Otten, heir, Heidelberg, DE;
by Anna Rudolph nee Otten, heir, Dillenburg, DE;
by Fritz Meininger, Frankfurt am Main, DE;
Hoechst Aktiengesellschaft, Frankfurt am Main, DE;
Abstract
Dihalogenotriazinylamino-naphthol compounds of th formula (1) ##STR1## in which the radicals X each mean fluorine, chlorine or bromine, R is hydrogen or alkyl of 1 to 4 C-atoms, M is hydrogen or the equivalent of a metal, and Z is hydrogen or a group of the formula --SO.sub.3 M with M having the abovementioned meaning, are prepared in water as reaction medium by reaction of an aminonaphthol compound of the formula (2) ##STR2## in which R, M and Z have the abovementioned meanings with a cyanuric halide compound of the formula (3) ##STR3## in which the radicals X have the abovementioned meanings, at pH 5 or smaller than 5 by introducing the aminonaphthol compound of the formula (2) in solid, undissolved form into the reaction, and carrying out the reaction in suspension.