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:
Apr. 29, 1986
Filed:
Nov. 19, 1984
Applicant:
Inventors:
Larry L Miller, Minneapolis, MN (US);
Ronald L Blankespoor, Grand Rapids, MI (US);
Baruch Zinger, Rehovot, IL;
Assignee:
Regents of the University of Minnesota, Minneapolis, MN (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
424 83 ; 2041801 ; 204228 ; 204301 ; 424 14 ; 424 16 ; 424 19 ; 424D / ; 604890 ; 604891 ;
Abstract
A method is disclosed for the controlled delivery of an ionic bioactive chemical into a physiological medium comprising ionically binding the chemical to redox sites on a charged polymer and releasing the bound chemical into the medium by neutralizing the charge on the polymer.