Chemistry: natural resins or derivatives; peptides or proteins; – Natural resins or derivatives
Reexamination Certificate
2005-05-03
2005-05-03
Weber, Jon (Department: 1653)
Chemistry: natural resins or derivatives; peptides or proteins;
Natural resins or derivatives
C530S350000, C530S380000, C530S382000, C525S054100, C525S054110, C525S054200, C528S354000, C528S361000
Reexamination Certificate
active
06887974
ABSTRACT:
Polymeric crosslinking agents are disclosed that have an inert water soluble polymeric component, biodegradable components, functional components reactive with chemical groups on a protein, for example, amine or thiol groups. The inert polymeric component may be flanked at each end with a biodegradable component which is flanked at each end with a protein reactive functional component. A polymeric crosslinking agent is disclosed having a biodegradable component, polyalkylene oxide, and at least three reactive functional groups that are each capable of forming a covalent bond in water with at least one functional group such as an amine, thiol, or carboxylic acid.
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Incept LLC
Mohamed Abdel A.
Patterson Thuente Skaar & Christensen P.A.
Weber Jon
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