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. 19, 1984
Filed:
Sep. 27, 1982
Applicant:
Inventor:
Alan S Michaels, San Francisco, CA (US);
Assignee:
ALZA Corporation, Palo Alto, CA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M / ;
U.S. Cl.
CPC ...
604892 ; 604891 ;
Abstract
A dispenser is disclosed comprising a housing formed of a semipermeable polymer having a hydrophilic polymer grafted thereto. The housing surrounds a container made of an elastomeric material and the container has an outlet through the housing to the exterior of the dispenser.
Quick Actions:
Michaels, Alan. (1984). Dispenser constructed with semipermeable polymer-hydrophilic polymer wall (U.S. Patent No. 4455144). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4455144
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile