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:
Apr. 22, 1986
Filed:
Sep. 29, 1983
Applicant:
Inventors:
Janos Balint, Debrecen, HU;
Laszlo Cseke, Debrecen, HU;
Ferenc Fabian, Debrecen, HU;
Lajos Kun, Debrecen, HU;
Miklos Szarvas, Debrecen, HU;
Assignee:
Biogal Gyogyszergyar, Debrecen, HU;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2603516 ; 2603512 ;
Abstract
The invention relates to a process for the preparation of an oxytetracycline-calcium silicate complex salt from fermentation broth. By the process according to the invention the valuable antibiotic oxytetracycline may be separated from the fermentation broth in an easy manner. The complex obtained according to (a) contains up to 50% of antibiotic and is suitable for the processing in the pharmaceutical industry while the product according to (b) contains 10 to 20% of antibiotic and may be used as fodder additive directly.