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
2008-03-18
2008-03-18
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
C430S945000, C726S026000, C726S002000, C428S064400, C369S053210, C369S047120, C369S288000
Reexamination Certificate
active
07344823
ABSTRACT:
A copy-protected optical medium comprising transient optical state change security materials that demonstrating an optical state change when exposed to the wavelengths of from about 770 nm to about 830 nm.
REFERENCES:
patent: 5815484 (1998-09-01), Smith et al.
patent: 6011772 (2000-01-01), Rollhaus et al.
patent: 6228440 (2001-05-01), Dailey et al.
patent: 6589626 (2003-07-01), Selinfreund et al.
patent: 6641886 (2003-11-01), Bakos et al.
patent: 2004/0004922 (2004-01-01), Selinfreund et al.
patent: 2004/0121262 (2004-06-01), Selinfreund et al.
patent: 01-228976 (1989-09-01), None
patent: 08-122836 (1996-05-01), None
Morrison & Boyd, “Organic Chemistry”, pp. 360(1973).
Cauquil, et al. Bull. Soc. Chim. France (1955), pp. 1061-1075.
Daneke et al. , ‘Addition von Nucleophilien an in situ erzeugtes Phenoazathionium -Kation’, Leibigs Ann. Chem., vol. 740, pp. 52-62 (1970).
Saraf et al., Recent advances in the synthesis of phenothiazines, Heterocycles, vol. 26(1) pp. 239-273.
Chandra et al., Studies on some new phenothiazines, Can. J. Chem., vol. 45, pp. 761-767 (1967).
Strekowski et al., “A synthetic route to 3-(dialkylamino)phenothiazin-5-ium salts . . . ”, J. Heterocyclic Chem., vol. 30(6) pp. 1693-1695 (1993).
International Search Report, International appl. No. PCT/US03/30897 of Sep. 30, 2004.
Gerger Scott
Li Junzhong
Selinfreund Richard H.
Vig Rakesh
Angebranndt Martin
Kelley Drye & Warren LLP
Verification Technologies, Inc.
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