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. 11, 1982
Filed:
Nov. 24, 1980
Applicant:
Inventors:
Torleif Utne, Warren, NJ (US);
Ronald B Jobson, East Brunswick, NJ (US);
Assignee:
Merck & Co., Inc., Rahway, NJ (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
546203 ; 546204 ;
Abstract
An optically impure diastereomeric salt is purified by treating a suspension of the salt in an appropriate solvent or solvent mixture with the required amount of the desired, optically pure, acid or base.