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:
Nov. 16, 1999
Filed:
Jan. 28, 1998
Applicant:
Inventors:
Wen-Hua Chu, Albany, CA (US);
Mauro Ferrari, Lafayette, CA (US);
Assignee:
Regents of the University of California, Oakland, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; C23F / ; B01D / ;
U.S. Cl.
CPC ...
424489 ; 210490 ; 216 56 ; 264-4 ; 424424 ; 6048921 ;
Abstract
A microfabricated containment capsule has a bulk substrate delimiting a cavity with a boundary, a first portion of which constitutes an inner wall of a solid portion of the bulk substrate. The bulk substrate also provides at a second portion of the boundary a membrane joined to one side of the bulk substrate, the membrane having at least one porous area with controlled pores.