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. 25, 1991
Filed:
Jun. 30, 1988
Applicant:
Inventors:
Ray P Schwarz, League City, TX (US);
David A Wolf, Houston, TX (US);
Tinh T Trinh, Houston, TX (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12M / ;
U.S. Cl.
CPC ...
435286 ; 435285 ; 435312 ; 435313 ; 435818 ; 261 83 ;
Abstract
A bio-reactor system where cell growth microcarrier beads are suspended in a zero head space fluid medium by rotation about a horizontal axis and where the fluid is continuously oxygenated from a tubular membrane which rotates on a shaft together with rotation of the culture vessel. The oxygen is continuously throughput through the membrane and disbursed into the fluid medium along the length of the membrane.