Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Implant or insert
Reexamination Certificate
2011-01-18
2011-01-18
Sheikh, Humera N (Department: 1615)
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Implant or insert
C424S423000
Reexamination Certificate
active
07871637
ABSTRACT:
Dry cross-linked gelatin compositions are prepared that rapidly re-hydrate to produce gelatin hydrogels suitable as hemostatic sealants. Gelatin is cross-linked in the presence of certain re-hydration aids, such as polyethylene glycol, polyvinylprovidone, and dextran, in order to produce a dry cross-linked gelatin powder. The use of the re-hydration aids has been found to substantially increase the re-hydration rate in the presence of an aqueous re-hydration medium, typically thrombin-containing saline.
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Osawa A. Edward
Qian Zhen
Reich Cary J.
Shargill Narinder S.
Vega Felix
Baxter Healthcare S.A.
Baxter International Inc.
Sheikh Humera N
Townsend and Townsend / and Crew LLP
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