Bioadhesive compositions

Details Bioadhesive compositions Bioadhesive compositions

2005-05-24

2005-05-24

Page, Thurman K. (Department: 1615)

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Matrices

C424S487000, C424S484000, C424S078080, C424S078060, C424S445000, C424S443000

Reexamination Certificate

active

06896903

ABSTRACT:
A bioadhesive composition formed by polymerizing a homogeneous aqueous reaction mixture comprising from about 5% to about 50%, by weight of the reaction mixture, of at least one ionic water soluble monomer, from about 10% to about 50%, by weight of the reaction mixture, of at least one plasticizer (other than water), up to about 50%, by weight of the reaction mixture, of at least one non ionic water soluble monomer, up to about 40%, by weight of the reaction mixture, of water, optionally as well as up to about 10%, by weight of the reaction mixture, of at least one surfactant and from about 1% to about 30%, by weight of the reaction mixture, of at least one hydrophobic monomer and/or polymer. An electrolyte may be present, to enhance electrical conductivity, e.g. for use in biomedical electrodes.

REFERENCES:
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patent: 0 012 402 (1980-06-01), None
patent: 0 188 381 (1986-07-01), None
patent: WO 8102097 (1981-08-01), None
patent: WO 9520634 (1995-08-01), None
patent: WO 9705171 (1997-02-01), None
European Search Reportcorresponding to Great Britain Patent Application Serial No. 99300740.0, European Patent Office, dated Aug. 20, 1999, 3 pages.
International Search Reportcorresponding to International Patent Application Serial No. PCT/GB00/00302, European Patent Office, dated May 24, 2000, 4 pages.
International Preliminary Examination Reportcorresponding to International Patent Application Serial No. PCT/GB00/00302, European Patent Office, dated Mar. 23, 2001, 5 pages.

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