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. 26, 1999
Filed:
Jun. 10, 1998
Celanese GmbH, , DE;
Abstract
The present invention relates to compounds of the formula (I) ##STR1## where R.sup.1 is H or an alkyl radical having from 1 to 12 carbon atoms, R.sup.2 is a straight-chain alkylene radical having from 1 to 8 carbon atoms, an oxygen-containing alkylene radical having from 2 to 4 carbon atoms, a radical of the formula (II) or (III) ##STR2## or a cycloalkylene radical having from 3 to 10 carbon atoms, R.sup.3 is an alkyl radical having from 1 to 25 carbon atoms or an aryl radical having from 6 to 10 carbon atoms, A is a radical --COO.sup.- or --SO.sub.3 .sup.- and x=0, y=1, m=1 and n=1, or x=1, y=1, m=(1 or 2) and n=(1 or 2), or, if R.sup.2 is a radical of the formula (II) or (III), x=1, y=0, m=(0 or 1) and n=(0 or 1), and also a process for their preparation.