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:
Jan. 18, 1977
Filed:
Dec. 17, 1974
Applicant:
Inventor:
Peter Faarup, Frederiksberg, DK;
Assignee:
Novo Industri A/S, , DK;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2602 / ; 424246 ;
Abstract
Method of recovering high purity cephalexin in high yields from a solution containing cephalexin comprising the steps of reacting said solution with a non-substituted or substituted naphthalene to form a complex with cephalexin, isolating said complex, and decomposing said complex to recover cephalexin or a salt thereof.