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:
Dec. 22, 1981
Filed:
Nov. 20, 1979
Masahiko Iizuka, Fujisawa, JP;
Toray Industries, Inc., Tokyo, JP;
Abstract
In the method of the present invention for production of interferon from propagating tissue culture cells, a propagating apparatus is utilized having a plurality of spaced-apart parallel flat plates. Monolayers of the tissue cells are grown on these plates and the apparatus is adapted for the introduction of gas and/or liquid mediums between the plates. In carrying out the method of the present invention the culture medium which nourishes the propagating cell tissues is exposed to a gas phase for oxygenating and adjusting the pH of the medium, while maintaining the culture medium and the propagated cells in a static and undisturbed condition.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile