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Extract from the Register of European Patents

EP About this file: EP1683879

EP1683879 - Additives for suppressing tungsten leachability [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  01.10.2010
Database last updated on 05.10.2024
Most recent event   Tooltip01.10.2010No opposition filed within time limitpublished on 03.11.2010  [2010/44]
Applicant(s)For all designated states
Global Tungsten & Powders Corp.
4 Hawes Street
Towanda, PA 18848 / US
[2009/49]
Former [2006/30]For all designated states
OSRAM SYLVANIA INC.
100 Endicott Street
Danvers, MA 01923 / US
Inventor(s)01 / Lunk, Hans-Joachim
R.R. No. 5 Box 5166
Towanda, PA 18848 / US
02 / Morgan, Ricky D.
R.R. No. 1 Box 95C
Milan, PA 18831 / US
03 / Stevens, Henry J.
234 S. Main St., Apt. No. 2
Athens, PA 18810 / US
 [2006/30]
Representative(s)Grünecker Patent- und Rechtsanwälte PartG mbB
Leopoldstrasse 4
80802 München / DE
[N/P]
Former [2006/30]Grünecker, Kinkeldey, Stockmair & Schwanhäusser Anwaltssozietät
Maximilianstrasse 58
80538 München / DE
Application number, filing date06001442.024.01.2006
[2006/30]
Priority number, dateUS20050593536P24.01.2005         Original published format: US 593536 P
US2006030670509.01.2006         Original published format: US 306705
[2006/30]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP1683879
Date:26.07.2006
Language:EN
[2006/30]
Type: A3 Search report 
No.:EP1683879
Date:06.09.2006
[2006/36]
Type: B1 Patent specification 
No.:EP1683879
Date:25.11.2009
Language:EN
[2009/48]
Search report(s)(Supplementary) European search report - dispatched on:EP08.08.2006
ClassificationIPC:C22B34/36, B22F1/00, B22F1/02, C23F11/00
[2006/30]
CPC:
C22B34/36 (EP,US)
Designated contracting statesDE,   FR,   GB [2007/19]
Former [2006/30]AT,  BE,  BG,  CH,  CY,  CZ,  DE,  DK,  EE,  ES,  FI,  FR,  GB,  GR,  HU,  IE,  IS,  IT,  LI,  LT,  LU,  LV,  MC,  NL,  PL,  PT,  RO,  SE,  SI,  SK,  TR 
TitleGerman:Zusatzmittel zum Unterdrücken der Auslaugung von Wolfram[2006/30]
English:Additives for suppressing tungsten leachability[2006/30]
French:Additifs pour supprimer le lessivage du tungstène[2006/30]
Examination procedure05.03.2007Examination requested  [2007/16]
04.07.2007Despatch of a communication from the examining division (Time limit: M04)
31.10.2007Reply to a communication from the examining division
05.03.2008Despatch of a communication from the examining division (Time limit: M04)
28.03.2008Reply to a communication from the examining division
03.06.2008Despatch of a communication from the examining division (Time limit: M06)
27.11.2008Reply to a communication from the examining division
13.05.2009Communication of intention to grant the patent
21.09.2009Fee for grant paid
21.09.2009Fee for publishing/printing paid
Opposition(s)26.08.2010No opposition filed within time limit [2010/44]
Fees paidRenewal fee
24.01.2008Renewal fee patent year 03
23.01.2009Renewal fee patent year 04
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Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Documents cited:Search[Y]JPS62239622  ;
 [Y]JP2003211144  ;
 [X]JPS5480208  ;
 [X]JPS59170206  ;
 [X]JPS62286698  ;
 [X]US2003056620  (SIDDLE DAVID RICHARD [US], et al) [X] 8,15 * abstract *;
 [A]EP0279454  (HORIBA LTD [JP]) [A] 8,15 * figure 1; claims 1-3 *;
 [A]US5656791  (REESE JAMES W [US], et al) [A] 8,15 * column 3, line 63 - column 4, line 13; claim 1 *;
 [A]US4397821  (BECKSTEAD LEO W, et al) [A] 3-5,10-12,19 * column 5, line 47 - column 6, line 2; claims 1,4-8 *;
 [A]JP2002332505  ;
 [X]US4800316  (JU-ZHEN WANG [CN]) [X] 7,15-17 * column 2, line 62 - column 3, line 6 *;
 [X]JPH05320943
 [Y]  - PATENT ABSTRACTS OF JAPAN, (19880407), vol. 012, no. 108, Database accession no. (E - 597), & JP62239622 A 19871020 (HITACHI LTD) [Y] 1-5 * abstract *
 [Y]  - PATENT ABSTRACTS OF JAPAN, (20031105), vol. 2003, no. 11, & JP2003211144 A 20030729 (KURITA WATER IND LTD) [Y] 1-5 * abstract *
 [X]  - DATABASE WPI, 0, Derwent World Patents Index, vol. 1979, no. 32, Database accession no. 1979-58665B, XP002392236 & JPS5480208 A 19790626 (TOKYO SHIBAURA ELECTRIC CO) [X] 1,5-7,15-17 * abstract *
 [X]  - DATABASE WPI, 0, Derwent World Patents Index, vol. 1984, no. 45, Database accession no. 1984-278420, XP002392237 & JPS59170206 A 19840926 (NIPPON TUNGSTEN KK) [X] 1,5-7,15-17 * abstract *
 [X]  - DATABASE WPI, 0, Derwent World Patents Index, vol. 1988, no. 04, Database accession no. 1988-025617, XP002392238 & JPS62286698 A 19871212 (HOKKAI TUNGSTEN KOGYO KK) [X] 8,12-17 * abstract *
 [A]  - DATABASE WPI, 0, Derwent World Patents Index, vol. 2003, no. 08, Database accession no. 2003-085298, XP002392244 & JP2002332505 A 20021122 (NISHIDA T) [A] 8,9,13,15,16,18,20 * abstract *
 [X]  - DATABASE WPI, 0, Derwent World Patents Index, vol. 1994, no. 02, Database accession no. 1994-012831, XP002392245 & JPH05320943 A 19931207 (SHOWA DENKO KK) [X] 7,15-17 * abstract *
ExaminationDE78315
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.