Patent · US Expired

Bioadhesive compositions and methods of treatment therewith

US4615697A · kind A · utility

291Cited by
8References
39Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 20, 1984
Grant dateOct 7, 1986
Priority date
Expiry dateDec 20, 2004

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/2848
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A controlled release treatment composition and method of use are disclosed. The composition includes a bioadhesive and an effective amount of a treating agent. The bioadhesive is a water-swellable, but water-insoluble, fibrous, cross-linked carboxy-functional polymer containing (a) a plurality of repeating units of which at least about 80 percent contain at least one carboxyl functionality, and (b) about 0.05 to about 1.5 percent cross-linking agent substantially free from polyalkenyl polyether.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.