Owner Tokuyama Corporation

Inventors Nagoh, Hironobu; Izumi, Shinobu

Agent Phillips Ormonde Fitzpatrick

Pub. Number AU-B-2002253675

PCT Pub. Number WO2002/090342

Priority 2001-240712 08.08.01 JP; 2001-135074 02.05.01 JP

Filing date 1 May 2002

Wipo publication date 18 November 2002

Acceptance publication date 8 May 2008

C07D 311/78 (2006.01) Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings

C07D 311/94 (2006.01) Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings

C07D 311/96 (2006.01) Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings

C07D 405/10 (2006.01) Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom

C07D 409/04 (2006.01) Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms

C07D 455/04 (2006.01) Heterocyclic compounds containing quinolizine ring systems, e.g. emetine alkaloids, protoberberine

C07D 491/04 (2006.01) Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups , , or

C07D 491/052 (2006.01) Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups , , or

C07D 491/14 (2006.01) Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups , , or

C07D 493/04 (2006.01) Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system

C07D 495/04 (2006.01) Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms

G03C 1/685 (2006.01) Photosensitive materials - Compositions containing spiro-condensed pyran compounds or derivatives thereof, as photosensitive substances

G02B 5/23 (2006.01) Optical elements other than lenses