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:
May. 05, 1987
Filed:
Jul. 18, 1984
Applicant:
Inventors:
Murray Saffran, Toledo, OH (US);
Douglas C Neckers, Perrysburg, OH (US);
Assignees:
Medical College of Ohio, Toledo, OH (US);
Bowling Green State University, Bowling Green, OH (US);
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C07C / ;
U.S. Cl.
CPC ...
514-3 ; 534573 ; 534585 ; 534588 ; 534593 ; 534599 ; 534843 ; 534887 ; 514-2 ; 514 54 ; 514 56 ; 514150 ; 514151 ; 514568 ; 514772 ; 514778 ; 514960 ; 514961 ; 514962 ; 514963 ; 514964 ;
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