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:
Dec. 27, 1983
Filed:
Jun. 01, 1982
Reinhard Hahnle, Konigstein, DE;
Manfred Schneider, Eppstein, DE;
Claus Schuster, Hofheim am Taunus, DE;
Rudolf Schickfluss, Kelkheim, DE;
Hoechst Aktiengesellschaft, Frankfurt am Main, DE;
Abstract
Transfer printing supports impregnated or printed with a formulation containing a dyestuff of the formula I ##STR1## in which R.sup.1 is alkyl having from 1 to 4 carbon atoms, R.sup.2 is hydrogen or has the meaning of R.sup.1, R.sup.3 is methyl, methoxy or ethoxy, and R.sup.4 is hydrogen, methyl, methoxy or ethoxy, or containing mixtures of such dyestuffs, a process for the manufacture of these supports, which comprises impregnating or printing the support material with formulations containing a dyestuff of the formula I or mixtures of such dyestuffs, and the use of these supports for the dyeing and printing of flat web or sheet structures of synthetic or natural materials according to the heat transfer printing process.