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:
Nov. 15, 1994
Filed:
Nov. 08, 1991
Applicant:
Inventor:
Chel W Lew, San Antonio, TX (US);
Assignee:
Southwest Research Institute, San Antonio, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
424451 ; 424434 ; 424435 ; 424452 ; 424457 ; 424460 ;
Abstract
A capsule and method for delivery for an active ingredient in the oral cavity that has a pH sensitive encapsulant shell and is associated with an adhesive. The pH sensitive shell dissolves at a pH in the oral cavity while the adhesive allows dissolution at the selected tissue.