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:
Apr. 06, 2021
Filed:
Aug. 12, 2019
Applicant:
Geistlich Pharma Ag, Wolhusen, CH;
Inventor:
Rolf W. Pfirrmann, Weggis, CH;
Assignee:
GEISTLICH PHARMA AG, Wolhusen, CH;
Primary Examiner:
Int. Cl.
CPC ...
C07D 291/06 (2006.01); A61P 35/00 (2006.01); C07D 419/06 (2006.01);
U.S. Cl.
CPC ...
C07D 291/06 (2013.01); A61P 35/00 (2018.01); C07D 419/06 (2013.01);
Abstract
Methods for producing compounds useful in reactions to produce oxathiazin-like compounds are disclosed including a process of adding sodium 2-bromoethanesulfonate to a solution of benzyl alcohol and sodium benzyloxide to for mixture, boiling the mixture to reflux four times, concentrating under vacuum until dry, boiling with ethyl alcohol, filtering the ethyl alcohol, and concentrating to dryness to obtain solid sodium 2-benzyletherethanesulfonate.