Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2003-07-25
2008-08-05
Aulakh, Charanjit S. (Department: 1625)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C008S636000, C106S001150, C524S090000, C524S091000, C546S026000
Reexamination Certificate
active
07408061
ABSTRACT:
Rylene dyes of the general formula Iwhere the variables are defined as follows:R is hydrogen; optionally substituted C1-C30-alkyl, C5-C8-cycloalkyl, aryl or hetaryl;R′ is bromine; cyano; —NR32; optionally substituted aryloxy, arylthio, hetaryloxy or hetarylthio; optionally substituted C3-C18-alk-1-ynyl;X, Y are both hydrogen or together are a radical of the formula Ian is 2, 3, 4 or additionally 1 when X and Y are a radical of the formula Ia;n′ is from 1 to 4;m is from 0 to 6.
REFERENCES:
patent: 2069663 (1937-02-01), Wolfram et al.
patent: 607 341 (1934-12-01), None
patent: 2 212 370 (1973-09-01), None
patent: 101 08 156 (2002-08-01), None
patent: 0 999 239 (2000-05-01), None
patent: 01/16109 (2001-03-01), None
patent: 02/068538 (2002-09-01), None
Kohl, Christopher et al. “Bis(rylenedicarboximide)-a,d-1,5-diaminoanthraquinones as unique infrared absorbing dyes”, Chem. Communications, pp. 2778-2779, XP002256670.
Becker Stefan
Boehm Arno
Kohl Christopher
Krieger Matthias
Muellen Klaus
Aulakh Charanjit S.
BASF - Aktiengesellschaft
Max-Planck-Gesellschaft zur Foerderung der Wissenschaften e.V.
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
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