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. 18, 1996
Filed:
Sep. 19, 1995
Gerhard Bauer, Weinheim, DE;
Oral Aydin, Mannheim, DE;
Beate Strecker, Ludwigshafen, DE;
Alfred Oftring, Bad Durkheim, DE;
BASF Aktiengesellschaft, Ludwigshafen, DE;
Abstract
A compound of the formula ##STR1## where R.sup.1 and R.sup.2, independently of one another, are each C.sub.1 -C.sub.10 -alkyl, C.sub.1 -C.sub.10 -alkoxy, C.sub.5 -C.sub.10 --cycloalkyl or C.sub.5 -C.sub.10 -aryl, each of which may furthermore contain from 1 to 3 non-adjacent nitrogen, oxygen or sulfur atoms as hetero atoms in the carbon chain or carbon ring and may be substituted by 1 to 3 C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkoxy groups, R.sup.1 or R.sup.2 may be hydrogen or R.sup.1 and R.sup.2 together form a bridge of 2 to 14 carbon atoms, where some of the carbon atoms may furthermore be part of an aromatic ring system, A is an n-valent organic radical and n is an integer equal to or greater than 2.