Document Type

Patent

Abstract

Polymers from ethylenically unsaturated monomers, cross-linked by a substituted or unsubstituted divinylazobenzene are useful as carriers or capsules for medicaments, which are degraded by the enzymes of the upper gastrointestinal tract or which must be transferred intact past the upper gastrointestinal tract, to deliver the medicament to the large intestine.Polymers containing monomeric units of the formula H2 CCH--C6 H4 --NN--M,wherein M is the residue of an amino-containing medicament, are useful as carriers for therapeutic agents or as therapeutic agents per se.

Patent Country

US

Patent Number

US4663308

Publication Date

5-5-1987

Assignee(s)

Medical College of Ohio; Bowling Green State University

Application Number

06/631935

Filing Date

July 1984

Primary Class

424/487

Secondary Class

514/5.9; 514/9.7; 514/10.9; 514/54; 514/56; 514/150; 514/151; 514/568; 514/772; 514/778; 514/960; 514/961; 514/962; 514/963; 514/964; 534/573; 534/585; 534/588; 534/593; 534/599; 534/843; 534/887; 534/DIG.3

Rights

These materials are free of copyright restrictions and are in the public domain within the United States only. The USPTO reserves the right to assert copyright protection internationally.

Institution

The University of Toledo

Repository

University of Toledo Libraries

Digital Publisher

Digital Initiatives

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