Metal complex type squarylium compounds and optical recording media made by using the same

Details for Australian Patent Application No. 2002217451 (hide)

Owner Kyowa Hakko Chemical Co., Ltd.

Inventors Satoh, Tsutomu; Kinugasa, Motoharu; Toyoda, Hiroshi; Yamada, Shiho; Tomura, Tatsuya; Shimizu, Ikuo; Noguchi, Soh

Agent Spruson & Ferguson

Pub. Number AU-B-2002217451

PCT Pub. Number WO02/50190

Priority 2000-387192 20.12.00 JP

Filing date 19 December 2001

Wipo publication date 1 July 2002

Acceptance publication date 20 July 2006

International Classifications

C09B 23/00 (2006.01) Quinoline or polymethine dyes

C09B 57/00 (2006.01) Other synthetic dyes of known constitution

C09B 57/10 (2006.01) Other synthetic dyes of known constitution

G11B 7/007 (2006.01) Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation, reproducing using an optical beam at lower power - Arrangement of the information on the record carrier, e.g. form of tracks

G11B 7/249 (2006.01) Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation, reproducing using an optical beam at lower power

Event Publications

17 March 2005 Assignment before Grant

  Kyowa Hakko Kogyo Co., Ltd.; Kyowa Yuka Co., Ltd. The application has been assigned to Kyowa Hakko Chemical Co., Ltd.

20 July 2006 Application Accepted

  Published as AU-B-2002217451

16 November 2006 Standard Patent Sealed

14 July 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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