(19)
(11)
EP 0 923 770 A1
(12)
(43)
Date of publication:
23.06.1999
Bulletin 1999/25
(21)
Application number:
96933838.0
(22)
Date of filing:
19.09.1996
(51)
International Patent Classification (IPC):
G09F
13/
20
( . )
G09F
21/
02
( . )
(86)
International application number:
PCT/US1996/015093
(87)
International publication number:
WO 1998/012691
(
26.03.1998
Gazette 1998/12)
(84)
Designated Contracting States:
BE CH DE DK ES FI FR GB IE IT LI NL SE
(71)
Applicant:
Douglas, Andre J., T.
Westlake Village, CA 91361 (US)
(72)
Inventor:
Douglas, Andre J., T.
Westlake Village, CA 91361 (US)
(74)
Representative:
Greenwood, John David, et al
Graham Watt & Co. Riverhead
Sevenoaks Kent TN13 2BN
Sevenoaks Kent TN13 2BN (GB)
(54)
IMPROVED DEVICES FOR ALTERATION AND DISPLAY OF CHEMILUMINESCENT LIGHT