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:
Nov. 30, 1999
Filed:
Apr. 30, 1998
Applicant:
Inventors:
Assignee:
Lonza, Ltd., Gampel/Valais, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C12Q / ;
U.S. Cl.
CPC ...
544238 ; 546291 ; 5462844 ; 546301 ; 435 29 ;
Abstract
Substituted pyridines of the general formula: ##STR1## wherein R.sup.1 is hydroxyl or chlorine, and a) X is hydrogen or chlorine, R.sup.2 and R.sup.3 together are .dbd.O, R.sup.4 is a group of the formula --OR.sup.5 and R.sup.5 is hydrogen, C.sub.1 -C.sub.4 -alkyl or benzyl or