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:
Jun. 29, 1993
Filed:
May. 22, 1991
Applicant:
Inventors:
Jean-Pierre Maffrand, Portet sur Garonne, FR;
Jean Courregelongue, Portet/Garonne, FR;
Assignee:
Asterol International, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07K / ; C07K / ; C07H / ;
U.S. Cl.
CPC ...
426431 ; 536-5 ; 536-63 ; 536103 ; 536127 ; 530359 ; 530412 ; 424581 ; 210634 ; 426614 ;
Abstract
The present invention relates to a novel process for the elimination of steroid compounds contained in a substance of biological origin by complexing the steroidal compounds by means of a cyclodextrin, in an aqueous medium, under agitation at a temperature between 20.degree. and 80.degree. C. and then separating the complexes so formed.