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:
Mar. 13, 1979
Filed:
Jun. 09, 1977
Applicant:
Inventors:
Jimmy B Langston, San Jose, CA (US);
Harold Leeper, Mountain View, CA (US);
Patrick S Wong, Palo Alto, CA (US);
Assignee:
Alza Corporation, Palo Alto, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
A61L / ;
U.S. Cl.
CPC ...
422305 ; 43125 ; 43129 ; 239 43 ; 239 54 ; 239 60 ; 422180 ; 422306 ;
Abstract
A device for dispensing a microcide which consists of a first polymeric material housing a second polymeric material which second material depolymerizes when the device is in the environment of use to form an active microcide. The microcide controls the presence of micro-organisms in the environment over a prolonged period of time.