Global Patent Index - EP 1036129 A1

EP 1036129 A1 2000-09-20 - FLUORESCENT COMPOSITION FOR THE MANUFACTURE OF CD-ROM TYPE OPTICAL MEMORY DISKS

Title (en)

FLUORESCENT COMPOSITION FOR THE MANUFACTURE OF CD-ROM TYPE OPTICAL MEMORY DISKS

Title (de)

FLUORESZENZZUSAMMENSETZUNG ZUR HERSTELLUNG VON OPTISCHEN SPEICHERPLATTEN

Title (fr)

COMPOSITION FLUORESCENTE POUR FABRIQUER DES DISQUES OPTIQUES DU TYPE CD-ROM

Publication

EP 1036129 A1 (EN)

Application

EP 98957623 A

Priority

  • US 9823625 W
  • US 6438897 P

Abstract (en)

[origin: WO9924527A1] A CD-ROM type optical disk, whether single-layer or multi-layer, is formed on a substrate having pits in its surface. The pits are filled with a fluorescent composition. Multiple disks such as that one can be glued on top of one another. Suitable fluorescent compositions include xanthene dyes of the eosine group, xanthene dyes of the rhodamine group, acridine dyes, oxazine dyes, azine dyes, indigoide dyes, perylene dyes, violanthrone dyes, cyanine dyes, phthalocynanine dyes, and porphyrins.

IPC 1-7 (main, further and additional classification)

C09K 11/06; G11B 3/70; G11B 7/24

IPC 8 full level (invention and additional information)

B41M 5/26 (2006.01); C09K 11/06 (2006.01); G11B 7/24 (2006.01); G11B 7/244 (2006.01); G11B 7/245 (2006.01); G11B 7/247 (2006.01); G11B 7/2472 (2013.01); G11B 7/248 (2006.01); G11B 7/26 (2006.01); G11B 7/246 (2006.01); G11B 7/253 (2006.01); G11B 7/2534 (2013.01)

CPC (invention and additional information)

G11B 7/26 (2013.01); G11B 7/244 (2013.01); G11B 7/245 (2013.01); G11B 7/2472 (2013.01); G11B 7/248 (2013.01); G11B 7/246 (2013.01); G11B 7/2534 (2013.01); G11B 7/256 (2013.01); G11B 2007/24624 (2013.01)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

WO 9924527 A1 19990520; AU 1384099 A 19990531; EP 1036129 A1 20000920; EP 1036129 A4 20001227; JP 2001522745 A 20011120

INPADOC legal status


2002-12-11 [18D] DEEMED TO BE WITHDRAWN

- Ref Legal Event Code: 18D

- Effective date: 20020601

2000-12-27 [A4] SUPPLEMENTARY SEARCH REPORT

- Ref Legal Event Code: A4

- Effective date: 20001115

2000-12-27 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

2000-09-20 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 20000512

2000-09-20 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE