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. 11, 1996
Filed:
Feb. 27, 1995
Applicant:
Inventor:
Artur Hunds, Bonn, DE;
Assignee:
Huels Aktiengesellschaft, Marl, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
544334 ; 544300 ; 544303 ; 544310 ; 544313 ; 544315 ; 544311 ; 544312 ; 544316 ; 544317 ; 544318 ; 544319 ; 544320 ; 544321 ; 544323 ; 544324 ; 544325 ; 544326 ; 544328 ; 544329 ; 544330 ; 544331 ; 544332 ; 544333 ;
Abstract
A process for the preparation of chloropyrimidines of the formula ##STR1## in which the substituents may be alkyl, cycloalkyl, aryl or radicals containing heteroatoms, but in which at least one of the substituents R.sup.1 to R.sup.4 must be Cl, which involves: