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:
Jul. 07, 1998
Filed:
Jul. 12, 1996
Joachim Rheinheimer, Ludwigshafen, DE;
Uwe Josef Vogelbacher, Ludwigshafen, DE;
Ernst Baumann, Dudenhofen, DE;
Hartmann Konig, Limburgerhof, DE;
Matthias Gerber, Limburgerhof, DE;
Karl-Otto Westphalen, Speyer, DE;
Helmut Walter, Obrigheim, DE;
BASF Aktiengesellschaft, Ludwigshafen, DE;
Abstract
Cyclic acetals of the formula I ##STR1## where the substituents have the following meanings: R.sup.1 and R.sup.2 are hydrogen, unsubstituted or substituted alkyl or phenyl; additionally R.sup.1 and R.sup.2 together are an unsubstituted or substituted C.sub.2 -C.sub.6 -alkylene chain; Y is oxygen or sulfur; A has the meaning as given in claim 1; a process for preparing the acetals I and their use for the production of crop protection compositions are described.