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Title:
POLYKETOMETHINE DYES
Document Type and Number:
WIPO Patent Application WO1992017549
Kind Code:
A3
Abstract:
PCT No. PCT/EP92/00693 Sec. 371 Date Sep. 27, 1993 Sec. 102(e) Date Sep. 27, 1993 PCT Filed Mar. 28, 1992 PCT Pub. No. WO92/17549 PCT Pub. Date Oct. 15, 1992.Methine dyes with a polyketo group I I where A is R1 is a 5- or 6-membered cycloaliphatic radical which contains one or two hetero atoms from the group -NR4-, -O- and -S- and which may be fused to an isoaromatic or heteroaromatic group, R2 and R3 are identical or different C1-C10-alkyl groups or together one of the radicals R1, and m and n are identical or different integers from 0 to 3, are useful as drugs, for producing singlet oxygen, as sensitizers in electrophotographic layers and for photopolymerizations and as laser light sensitive dyes in optical recording media; also novel triketo- and tetraketomethine dyes.

Inventors:
ALBERT BERNHARD (DE)
KESSEL KNUT (DE)
MARTIN HANS-DIETER (DE)
SILBER STEFAN (DE)
Application Number:
PCT/EP1992/000693
Publication Date:
November 26, 1992
Filing Date:
March 28, 1992
Export Citation:
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Assignee:
BASF AG (DE)
International Classes:
B41M5/26; A61K41/00; A61K49/00; C07D209/12; C07D209/92; C07D213/50; C07D215/06; C07D219/02; C07D263/56; C07D277/64; C07D277/84; C07D309/34; C07D339/06; C07D401/08; C07D409/08; C07D413/08; C07D417/08; C08F2/50; C08K5/3412; C08K5/3417; C09B23/00; C09B23/01; C09B23/10; G03G5/06; G03G5/09; G11B7/24; G11B7/244; G11B7/247; (IPC1-7): C09B23/10; A61K49/00; G03G5/09; G11B7/24
Domestic Patent References:
WO1984000101A11984-01-19
WO1989012080A11989-12-14
Foreign References:
US5002812A1991-03-26
FR1401589A1965-06-04
BE660252A
Other References:
Japanese Patents Abstracts, Sektion CH, Woche 8945, 1989, Derwent Publications Ltd, (London, GB) Klasse G, Seite 2, Nr.: 89-327504/45, & JP, A, 1 242 288 (RICOH K.K.) 24. März 1988
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