Radiation imagery chemistry: process – composition – or product th – Holographic process – composition – or product – Composition or product or process of making the same
Reexamination Certificate
2006-07-04
2006-07-04
Zimmer, Marc S (Department: 1712)
Radiation imagery chemistry: process, composition, or product th
Holographic process, composition, or product
Composition or product or process of making the same
C556S431000, C556S434000, C556S450000, C556S478000, C556S479000, C528S027000, C528S031000, C528S037000, C359S003000
Reexamination Certificate
active
07070886
ABSTRACT:
Disclosed is a holographic recording medium. The novel holographic recording mediums disclosed herein comprises: a) at least one polyfunctional epoxide monomer or oligomer which undergoes acid initiated cationic polymerization. Each epoxide in the monomer or oligomer is linked by group comprising a siloxane to a silicon atom and each monomer or oligomer has an epoxy equivalent weight of greater than about 300 grams/mole epoxide; b) a binder which is capable of supporting cationic polymerization; c) an acid generator capable of producing an acid upon exposure to actinic radiation; and optionally d) a sensitizer.
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Cetin Erdem A.
Minns Richard A.
Waldman David A.
Aprilis, Inc.
Hamilton Brook Smith & Reynolds P.C.
Zimmer Marc S
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