HIGH-CAPACITY OPTICAL STORAGE MEDIA

Title:

HIGH-CAPACITY OPTICAL STORAGE MEDIA

Document Type and Number:

WIPO Patent Application WO2004088649

Kind Code:

A3

Abstract:

The invention relates to an optical recording medium comprising a substrate, a reflecting layer and a recording layer, wherein the recording layer comprises a compound of formula [L1Mr-4L-2]o [A]p [Z q(I), [L1Mr-3L-3]0 [Am]

[Z]q(II) or [L3ML4]0 [A]p[Z]q (III), or where applicable a mesomeric or tautomeric form thereof, wherein L1 and L2 are each independently of the other and L3 and L4 are each independently of the other wherein Q1 isCR1orN,Q2iSO,S,NR10orQ5=Q8,Q3 is CR3orN,Q4 isO,S,NR10or Q7=Q8, Q5 is CR5 or N , Q6 is CR6 or N , Q7 is CR7 or N , Q8 is CR8 or N , and Q9 is 0, S, NR10 or Q6=Q8; M, A, Z, R2, R9 are as defined in the claims.

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Inventors:

ADAM JEAN-MARIE (FR)
AESCHLIMANN PETER (CH)
BACHER JEAN-PIERRE (FR)
BUDRY JEAN-LUC (CH)
LEHMANN URS (CH)
MORTON COLIN (CH)
SCHMIDHALTER BEAT (CH)
SPAHNI HEINZ (CH)

Application Number:

PCT/EP2004/050206

Publication Date:

November 18, 2004

Filing Date:

February 25, 2004

Export Citation:

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Assignee:

CIBA SC HOLDING AG (CH)
ADAM JEAN-MARIE (FR)
AESCHLIMANN PETER (CH)
BACHER JEAN-PIERRE (FR)
BUDRY JEAN-LUC (CH)
LEHMANN URS (CH)
MORTON COLIN (CH)
SCHMIDHALTER BEAT (CH)
SPAHNI HEINZ (CH)

International Classes:

C09B45/20; C09B45/22; C09B56/00; G11B7/246; G11B7/2467; G11B7/247; G11B7/2472; G11B7/249; G11B7/2478; G11B7/2492; G11B7/2495; G11B7/2498; G11B7/253; G11B7/2531; G11B7/2533; G11B7/2534; G11B7/2535; G11B7/257; G11B7/2575; G11B7/258; G11B7/259; (IPC1-7): G11B7/247; C09B45/20; C09B45/22; C09B56/00

Domestic Patent References:

WO2003098617A2	2003-11-27
WO2003098618A1	2003-11-27

Foreign References:

US5851621A	1998-12-22
US6242067B1	2001-06-05
US6168843B1	2001-01-02
EP0483387A1	1992-05-06

Other References:

PATENT ABSTRACTS OF JAPAN vol. 2000, no. 10 17 November 2000 (2000-11-17)
PATENT ABSTRACTS OF JAPAN vol. 1999, no. 08 30 June 1999 (1999-06-30)
PATENT ABSTRACTS OF JAPAN vol. 2003, no. 02 5 February 2003 (2003-02-05)
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 07 29 September 2000 (2000-09-29)
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 05 30 April 1998 (1998-04-30)

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