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:
Feb. 23, 1988
Filed:
Feb. 19, 1986
David Freedman, Highland Park, NJ (US);
Zheng Zhenbin, Highland Park, NJ (US);
Shaul Reuveny, Kfar, IL;
New Brunswick Scientific Co., Ltd., Edison, NJ (US);
Abstract
A sparger for use in microcarrier fermentation systems is provided which includes a narrow, vertically extending outer chamber defined by a solid wall and a wall formed by a screen, wherein air or other gas is forced under pressure through a tube to the bottom of the chamber and from there to a distribution member for the release of the gas upwardly into the chamber. The top of the chamber is provided with exit openings which communicate to a point above the surface of the medium. In an alternate embodiment, gas is released at the bottom of an inner chamber defined by a wall formed with a plurality of screened windows.