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. 09, 1994
Filed:
Aug. 27, 1991
Applicant:
Inventors:
Robert E Schwartz, Westfield, NJ (US);
August J Kempf, Staten Island, NY (US);
David J Mathre, Edison, NJ (US);
Assignee:
Merck & Co., Inc., Rahway, NJ (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07K / ; C07K / ;
U.S. Cl.
CPC ...
530317 ; 530344 ;
Abstract
A process for obtaining a compound of the formula ##STR1## in crystalline form by solubilizing the compound in warm aqueous n-propanol and then allowing the solution to stand at ambient temperature until crystal formation is substantially complete is described. The crystalline compound obtained thereby is also described.