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. 28, 1998
Filed:
Dec. 21, 1995
Lisbeth Illum, Nottingham, GB;
Danbiosyst UK Limited, Nottingham, GB;
Abstract
Compositions for delivery of pharmacologically active agents and methods for their administration are provided. In one embodiment, the compositions include a complex of a polycationic polymer and a pharmacologically active agent in a pharmaceutically acceptable carrier. The compositions in one embodiment permit transport of pharmacologically active compounds across mucosal membranes for systemic delivery. The polycationic polymer may be, for example, a polycationic carbohydrate such as a chitosan or a chitosan salt or derivative. The therapeutic agent a preferred embodiment is a vaccine or a nucleic acid, such as a gene or antisense oligonucleotide. The composition may be provided in different forms such as a solution, dispersion, powder or in the form of microspheres.