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:
Aug. 17, 1993
Filed:
Mar. 04, 1991
Applicant:
Inventors:
Gerhard Hamprecht, Weinheim, DE;
Hans-Josef Wolf, Maxdorf, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
544303 ; 544313 ; 544319 ; 504214 ;
Abstract
Substituted trifluoro- and chlorodifluoromethoxypyrimidines of the formula I ##STR1## where R.sup.1, R.sup.2 and R.sup.3 are each, independently of one another, hydrogen, halogen or haloalkyl, and R.sup.1 and/or R.sup.2 are also trifluoromethoxy or chlorodifluoromethoxy, and n is 0 or 1, are prepared as described.
Hamprecht, Gerhard. (1993). Trifluoro- and chlorodifluoromethoxypyrimidines and the preparation (U.S. Patent No. 5237063). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5237063
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile