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. 28, 2001
Filed:
Feb. 25, 2000
Applicant:
Inventors:
Gerrit Jan Bouke Ettema, Denekamp, NL;
Jacobus Maria Lemmens, Mook, NL;
Theodorus Hendricus Antonius Peters, Arnhem, NL;
Frantisek Picha, Brno, CZ;
Assignee:
Synthon BV, Nijmegen, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
C07D / ;
Abstract
Imidazopyridine compounds of the formula 1 are can be made in high purity, e.g. greater than 95% pure, by a process that use a novel intermediate of formula 5: