Corium International, Inc.

A.v. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences

Corium Corporation

A.v. Topchiev Institute of Petrochemical Synthesis

Shoreh Parandoosh

Gary Wynn Cleary

Mikhail M Feldstein

Valery G Kulichikhin

Anatoly E Chalykh

Nicolai A Platè

Nicolai A Platé

Sergey Antonov

Hydrogel compositions are provided (a) that have a continuous hydrophobic phase and a discontinuous hydrophilic phase, (b) that have a discontinuous hydrophilic phase and a continuous hydrophilic phase, or (c) that are entirely composed of a continuous hydrophilic phase. The hydrophobic phase, if present, is composed of a hydrophobic polymer, particularly a hydrophobic pressure-sensitive adhesive (PSA), a plasticizing elastomer, a tackifying resin, and an optional antioxidant. The discontinuous hydrophilic phase, if present, is composed of a crosslinked hydrophilic polymer, particularly a crosslinked cellulosic polymer such as crosslinked sodium carboxymethylcellulose. For those hydrogel compositions containing a continuous hydrophilic phase, the components of the phase include a cellulose ester composition or an acrylate polymer or copolymer, and a blend of a hydrophilic polymer and a complementary oligomer capable of hydrogen bonding thereto. Films prepared from hydrogel compositions containing or entirely composed of the aforementioned continuous hydrophilic phase can be made translucent, and may be prepared using either melt extrusion or solution casting. A preferred use of the hydrogel compositions is in wound dressings, although numerous other uses are possible as well.

Hydrogel compositions

Non-electrically conductive hydrogel composition

Hydrogel Compositions

A skin-contacting adhesive composition is described which has improved initial tack, long-term adhesion, water uptake and translucency characteristics and may be prepared by melt extrusion. Uses of these compositions are also described, for example, their use in wound dressings, adhesive cushions, and transdermal drug delivery devices.

Composition for cushions, wounds dressings and other skin-contacting products

A skin-contacting adhesive composition is described which has improved initial tack, long-term adhesion, water uptake and translucency characteristics and may be prepared by melt extrusion. Uses of these compositions are also described, for example, their use in wound dressings.

Composition for cushions, wound dressings and other skin-contacting products

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Menlo Park, CA, United States of America

Shoreh Parandoosh