Extract from the Register of European Patents

EP About this file: EP2644569

EP2644569 - Method for producing high-purity barium chloride with low strontium and high-purity barium chloride with low strontium [Right-click to bookmark this link]
StatusThe application is deemed to be withdrawn
Status updated on  24.07.2015
Database last updated on 18.03.2026
Most recent event   Tooltip24.07.2015Application deemed to be withdrawnpublished on 26.08.2015  [2015/35]
Applicant(s)For all designated states
Guizhou Redstar Developing Co., Ltd.
Dingqi Town Zhenning County Anshun
Guizhou 561206 / CN
For all designated states
Shenzhen Haoyitong Investment And Development Co., Ltd.
Room 8005, East Block City Square Jia Bin Road Luohu District Shenzhen
Guangdong 518000 / CN
[2013/40]
Inventor(s)01 / Jiang, Zhiguang
Dingqi Town, Zhenning County
561206 Anshun City / CN
02 / Hua, Dong
NO. 29 Binhe Street, Longshui Town
402368 Dazu County / CN
03 / Liu, Xiangyu
Dingqi Town, Zhenning County
561206 Anshun City / CN
 [2013/40]
Representative(s)Eterno, Enrico
Jacobacci & Partners S.p.A.
Piazza della Vittoria, 11
25122 Brescia / IT
[2013/40]
Application number, filing date12182607.731.08.2012
[2013/40]
Priority number, dateCN201219072230.03.2012         Original published format: CN201210090722
[2013/40]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP2644569
Date:02.10.2013
Language:EN
[2013/40]
Search report(s)(Supplementary) European search report - dispatched on:EP31.07.2013
ClassificationIPC:C01F11/28, C01F11/32
[2013/40]
CPC:
C01F11/28 (EP,US); C01F11/32 (EP,US); C01P2006/80 (EP,US)
Designated contracting statesAL,   AT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HR,   HU,   IE,   IS,   IT,   LI,   LT,   LU,   LV,   MC,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   RS,   SE,   SI,   SK,   SM,   TR [2013/40]
Extension statesBANot yet paid
MENot yet paid
TitleGerman:Verfahren zum Herstellen von hochreinem Bariumchlorid mit wenig Strontium und hochreines Bariumchlorid mit wenig Strontium[2013/40]
English:Method for producing high-purity barium chloride with low strontium and high-purity barium chloride with low strontium[2013/40]
French:Procédé de production de chlorure de baryum haute pureté à faible teneur en strontium et chlorure de baryum haute pureté à faible teneur en strontium[2013/40]
Examination procedure31.08.2012Examination requested  [2013/40]
23.10.2014Communication of intention to grant the patent
03.03.2015Application deemed to be withdrawn, date of legal effect  [2015/35]
10.04.2015Despatch of communication that the application is deemed to be withdrawn, reason: fee for grant / fee for printing not paid in time  [2015/35]
Divisional application(s)The date of the Examining Division's first communication in respect of the earliest application for which a communication has been issued is  23.10.2014
Fees paidRenewal fee
23.06.2014Renewal fee patent year 03
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Documents cited:Search[A] CN1502558  (LI YUNSHENG et al.) [A] 1-10 * the whole document *
 [A] DD292891  (DESSAU GAERUNGSCHEMIE et al.) [A] 1-10 * page 2 *
 [A] US4834952  (ROLLAT ALAIN et al.) [A] 9,10 * examples 2-4 *
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