Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Radiation sensitive composition or product or process of making
Reexamination Certificate
2006-08-22
2006-08-22
Angebranndt, Martin (Department: 1756)
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Radiation sensitive composition or product or process of making
C430S270200, C430S270210, C430S945000, C430S346000, C428S064100, C428S064800, C369S288000
Reexamination Certificate
active
07094517
ABSTRACT:
High sensitive organic dye-in-polymer (DIP) medium for write-once-read-many (WORM) optical discs with fluorescent reading. The medium consists of a fluorescent color means, capable of absorbing writing radiation produced by a laser, a compound capable of generating free radicals upon influence of heat produced by the writing radiation and a polymer capable of producing a translucent film enabling high quantum yield of the fluorescence induced in the color means. The color means can be selected from xanthene dyes of the eosine and rhodamine groups, acridine, oxazine, azine, peylene, violanthrone, cyanine, phtalocyanine, indigoide colors and porphyries. The free radicals generating compound can be chosen from the group of compounds comprising azo and diazoi compounds or peroxyde compounds. The film producing polymer can be selected from the group of compounds comprising cellulose ethers, vinyl resins or acrylic resins.
REFERENCES:
patent: 4090031 (1978-05-01), Russell
patent: 4412231 (1983-10-01), Namba et al.
patent: 4735889 (1988-04-01), Namba et al.
patent: 4917989 (1990-04-01), Albert et al.
patent: 5156938 (1992-10-01), Foley et al.
patent: 5185233 (1993-02-01), Santo
patent: 5470994 (1995-11-01), Saeva et al.
patent: 5506357 (1996-04-01), Namba
patent: 5665522 (1997-09-01), Vogel et al.
patent: 6009065 (1999-12-01), Glushko et al.
patent: 6071671 (2000-06-01), Glushko et al.
patent: 6277460 (2001-08-01), Min et al.
patent: 812698 (1997-12-01), None
patent: 54-061541 (1979-05-01), None
patent: 59-092448 (1984-05-01), None
patent: 62-239436 (1987-10-01), None
patent: 02-076126 (1990-03-01), None
patent: 02-245003 (1990-09-01), None
patent: 09-011619 (1997-01-01), None
patent: 09-286979 (1997-11-01), None
Crivello et al., “Triaryl Sulfonium as Photoinitiators of Free Radical and Cationic Polymerization”, J. Polymer Sci. Letters, vol. 17, pp. 759-764, (1979).
Alperovich Mark
Levich Eugene
Makievskaya Svetlana
Zuhl Irene
Angebranndt Martin
D Data Inc.
Winston & Strawn LLP
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