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:
May. 20, 1980
Filed:
May. 10, 1979
Applicant:
Inventor:
Timothy W Evans, Three Rivers, MI (US);
Assignee:
The Upjohn Company, Kalamazoo, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2603403 ;
Abstract
An improved process for recovering the antibiotic spectinomycin from an aqueous concentrate containing the same. This improvement concerns the use of benzoic acid, or a salt thereof, to remove inorganic salts which interfere with the recovery of spectinomycin from an aqueous concentrate.
Evans, Timothy. (1980). Process for the recovery of spectinomycin (U.S. Patent No. 4203903). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4203903
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile