Stock material or miscellaneous articles – Structurally defined web or sheet – Including components having same physical characteristic in...
Reexamination Certificate
2008-05-20
2008-05-20
Zacharia, Ramsey (Department: 1794)
Stock material or miscellaneous articles
Structurally defined web or sheet
Including components having same physical characteristic in...
C428S323000, C428S421000, C428S447000, C523S205000, C525S104000
Reexamination Certificate
active
07374812
ABSTRACT:
A silicone-modified fluoropolymer is formed by first dissolving a fluoropolymer in an organic solvent, the fluoropolymer having at least one monomer of vinylidene fluoride coupled to a hexafluoropropylene monomer unit, and subsequently reacting the mixture with an amino silane coupling agent to form an aminosilane-modified fluoropolymer. The aminosilane fluoropolymer is subsequently heated and partially condensed with an oligomer of a silane compound including alkoxy silane. The resultant composition is suitable for use as a low refractive index layer in an antireflection coating on an optical substrate.
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Hawley's Condensed Chemical Dictionary, 13thEdition, p. 359, Jan. 1999.
3M Innovative Properties Company
Fischer Carolyn A.
Zacharia Ramsey
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