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:
Aug. 25, 1992
Filed:
Aug. 20, 1990
Applicant:
Inventors:
John B Shaposka, Wilmington, DE (US);
Dudley W Spencer, Wilmington, DE (US);
Assignee:
Denco, Inc., Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
156515 ; 156158 ; 1563042 ; 1563045 ; 1563046 ; 156518 ; 156530 ;
Abstract
A process for sterile entry/exit into a closed system permits safe addition of reagent/nutrient/process modules, etc., removal of biological samples or depleted process modules such as filters, etc. all without exposing the operator to possibly dangerous materials such as blood and without endangering the contents of the system such as in cell-culturing. A novel welder and process is disclosed to illustrate the process.