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:
Mar. 29, 1977
Filed:
Apr. 08, 1974
Applicant:
Inventors:
Takashi Nagata, Choshi, JA;
Goro Motoki, Choshi, JA;
Morio Suzuki, Choshi, JA;
Hiroshi Yoshino, Choshi, JA;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07H / ;
U.S. Cl.
CPC ...
536 27 ; 424180 ;
Abstract
Crystalline N.sup.6,2'-O-dibutyryl-adenosine-3',5'-cyclic monophosphate monosodium salt (DB.sub.c -AMP-N.sub.a), and a process for producing the same which may comprise the step of causing at least one solvent selected from an ether, ketone, and an ester, constituting a crystallizing organic solvent, to contact an alcoholic solution, aqueous alcoholic solution, or a simple aqueous solution of DB.sub.c -AMP-N.sub.a or may comprise the step of dissolving crude crystalline or amorphous DB.sub.c -AMP-N.sub.a in a mixture of an alcoholic solvent and the crystallizing organic solvent.