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:
Nov. 04, 1986
Filed:
Aug. 02, 1984
Applicant:
Inventor:
Federico Gennari, Truccazzano, IT;
Assignee:
Bioresearch S.p.A, Milan, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12P / ; C07H / ;
U.S. Cl.
CPC ...
435 85 ; 536 26 ;
Abstract
A process is described for the large-scale industrial production of any stable SAMe salt at very high purity and with a yield of about 90% or more. The new process is characterized by the following basic operations: (a) production of yeast containing 12-20 g/kg of SAMe, (b) cell lysis and recovery of the SAMe-rich lysate, (c) ultrafiltration of the lysate, (d) passage through weak acid ion exchange resin, (e) passage through absorption resin, (f) concentration by reverse osmosis, (g) spray-drying the concentrated aqueous solution of SAMe salt.