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Extract from the Register of European Patents

EP About this file: EP1178100

EP1178100 - Process for producing electroluminescent phosphor with increased efficiency [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  02.10.2009
Database last updated on 19.10.2024
Most recent event   Tooltip02.10.2009No opposition filed within time limitpublished on 04.11.2009  [2009/45]
Applicant(s)For all designated states
Global Tungsten & Powders Corp.
4 Hawes Street
Towanda, PA 18848 / US
[2009/05]
Former [2002/06]For all designated states
OSRAM SYLVANIA INC.
100 Endicott Street
Danvers, MA 01923 / US
Inventor(s)01 / Vaddi, Butchi Reddy
59 Oakhill Drive
Sayre, PA 18840 / US
02 / Northrop, Shellie K.
24, Larch Road
Sayre, PA 18840 / US
 [2002/06]
Representative(s)Grünecker Patent- und Rechtsanwälte PartG mbB
Leopoldstrasse 4
80802 München / DE
[N/P]
Former [2002/06]Grünecker, Kinkeldey, Stockmair & Schwanhäusser Anwaltssozietät
Maximilianstrasse 58
80538 München / DE
Application number, filing date01118644.202.08.2001
[2002/06]
Priority number, dateUS2000063040002.08.2000         Original published format: US 630400
[2002/06]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP1178100
Date:06.02.2002
Language:EN
[2002/06]
Type: A3 Search report 
No.:EP1178100
Date:19.11.2003
[2003/47]
Type: B1 Patent specification 
No.:EP1178100
Date:26.11.2008
Language:EN
[2008/48]
Search report(s)(Supplementary) European search report - dispatched on:EP02.10.2003
ClassificationIPC:C09K11/61
[2002/06]
CPC:
C09K11/612 (EP,US); C09K11/62 (KR)
Designated contracting statesDE,   FR,   GB [2004/33]
Former [2002/06]AT,  BE,  CH,  CY,  DE,  DK,  ES,  FI,  FR,  GB,  GR,  IE,  IT,  LI,  LU,  MC,  NL,  PT,  SE,  TR 
TitleGerman:Verfahren zur Herstellung eines elektrolumineszenten Phosphors mit erhöhtem Wirkungsgrad[2002/06]
English:Process for producing electroluminescent phosphor with increased efficiency[2002/06]
French:Procédé de fabrication d'un phosphore électroluminescent à rendement élevé[2002/06]
Examination procedure19.05.2004Examination requested  [2004/30]
30.06.2006Despatch of a communication from the examining division (Time limit: M04)
25.10.2006Reply to a communication from the examining division
12.06.2008Communication of intention to grant the patent
15.10.2008Fee for grant paid
15.10.2008Fee for publishing/printing paid
Opposition(s)27.08.2009No opposition filed within time limit [2009/45]
Fees paidRenewal fee
25.08.2003Renewal fee patent year 03
23.08.2004Renewal fee patent year 04
19.08.2005Renewal fee patent year 05
21.08.2006Renewal fee patent year 06
22.08.2007Renewal fee patent year 07
21.08.2008Renewal fee patent year 08
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Documents cited:Search[A]US4874985  (HASE TAKASHI [JP], et al) [A] 1-11* column W *;
 [AP]US6217795  (YU IL [KR], et al) [AP] 1-11 * column W *
ExaminationUS3249552
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.