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Extract from the Register of European Patents

EP About this file: EP2480495

EP2480495 - PROCESS AND REAGENTS FOR THE INHIBITION OR REDUCTION OF SCALE FORMATION DURING PHOSPHORIC ACID PRODUCTION [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  20.09.2019
Database last updated on 27.07.2024
FormerThe patent has been granted
Status updated on  12.10.2018
FormerGrant of patent is intended
Status updated on  27.05.2018
FormerExamination is in progress
Status updated on  02.03.2017
Most recent event   Tooltip01.07.2022Lapse of the patent in a contracting state
New state(s): MK
published on 03.08.2022  [2022/31]
Applicant(s)For all designated states
Cytec Technology Corporation
300 Delaware Avenue
Wilmington, DE 19801 / US
[2018/46]
Former [2012/31]For all designated states
Cytec Technology Corporation
300 Delaware Avenue
Wilmington, DE 19801 / US
Inventor(s)01 / RAVISHANKAR, Sathanjheri
66 Ridge Lane
Shelton CT 06484 / US
02 / WANG, Bing
67 High Meadow Lane
Brookfield CT 06804 / US
 [2012/31]
Representative(s)Vande Gucht, Anne, et al
Solvay S.A.
Intellectual Assets Management
Rue de Ransbeek, 310
1120 Bruxelles / BE
[2018/46]
Former [2013/13]Deckers, Hellmuth Alexander, et al
European Patent Attorney Breitbachstrasse 15
55218 Ingelheim am Rhein / DE
Former [2012/31]Destryker, Elise Martine
CYTEC Surface Specialties, S.A. Patent Dept. Anderlechtstraat 33
1620 Drogenbos / BE
Application number, filing date10757926.023.09.2010
[2018/46]
WO2010US49983
Priority number, dateUS20090245746P25.09.2009         Original published format: US 245746 P
[2012/31]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2011038108
Date:31.03.2011
Language:EN
[2011/13]
Type: A1 Application with search report 
No.:EP2480495
Date:01.08.2012
Language:EN
The application published by WIPO in one of the EPO official languages on 31.03.2011 takes the place of the publication of the European patent application.
[2012/31]
Type: B1 Patent specification 
No.:EP2480495
Date:14.11.2018
Language:EN
[2018/46]
Search report(s)International search report - published on:EP31.03.2011
ClassificationIPC:C01B25/22
[2012/31]
CPC:
C01B25/22 (EP); C23F14/02 (EP)
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,   SE,   SI,   SK,   SM,   TR [2012/31]
Extension statesBANot yet paid
MENot yet paid
RSNot yet paid
TitleGerman:VERFAHREN UND REAGENZIEN ZUR HEMMUNG DER REDUKTION VON KESSELSTEINBILDUNG WÄHREND DER HERSTELLUNG VON PHOSPHORSÄURE[2012/31]
English:PROCESS AND REAGENTS FOR THE INHIBITION OR REDUCTION OF SCALE FORMATION DURING PHOSPHORIC ACID PRODUCTION[2012/31]
French:PROCÉDÉ ET RÉACTIFS POUR L'INHIBITION OU LA RÉDUCTION DE LA FORMATION DE TARTRE LORS DE LA PRODUCTION D'ACIDE PHOSPHORIQUE[2012/31]
Entry into regional phase25.04.2012National basic fee paid 
25.04.2012Designation fee(s) paid 
25.04.2012Examination fee paid 
Examination procedure25.04.2012Examination requested  [2012/31]
07.12.2012Amendment by applicant (claims and/or description)
31.07.2013Despatch of a communication from the examining division (Time limit: M06)
10.02.2014Reply to a communication from the examining division
05.01.2015Despatch of a communication from the examining division (Time limit: M06)
15.07.2015Reply to a communication from the examining division
20.11.2015Despatch of a communication from the examining division (Time limit: M04)
17.01.2016Reply to a communication from the examining division
21.09.2016Despatch of a communication from the examining division (Time limit: M04)
03.03.2017Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time
03.05.2017Reply to a communication from the examining division
28.05.2018Communication of intention to grant the patent
05.09.2018Fee for grant paid
05.09.2018Fee for publishing/printing paid
05.09.2018Receipt of the translation of the claim(s)
Divisional application(s)EP15177583.0  / EP2990379
The date of the Examining Division's first communication in respect of the earliest application for which a communication has been issued is  31.07.2013
Opposition(s)15.08.2019No opposition filed within time limit [2019/43]
Request for further processing for:The application is deemed to be withdrawn due to failure to reply to the examination report
03.05.2017Request for further processing filed
03.05.2017Full payment received (date of receipt of payment)
Request granted
26.05.2017Decision despatched
Fees paidRenewal fee
12.09.2012Renewal fee patent year 03
12.09.2013Renewal fee patent year 04
12.09.2014Renewal fee patent year 05
11.09.2015Renewal fee patent year 06
13.09.2016Renewal fee patent year 07
02.10.2017Renewal fee patent year 08
01.10.2018Renewal fee patent year 09
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See the Register of the Unified Patent Court for opt-out data
Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Lapses during opposition  TooltipHU23.09.2010
AL14.11.2018
AT14.11.2018
CY14.11.2018
CZ14.11.2018
DK14.11.2018
EE14.11.2018
ES14.11.2018
HR14.11.2018
IT14.11.2018
LV14.11.2018
MC14.11.2018
MK14.11.2018
MT14.11.2018
NL14.11.2018
RO14.11.2018
SE14.11.2018
SI14.11.2018
SK14.11.2018
SM14.11.2018
TR14.11.2018
BG14.02.2019
NO14.02.2019
GR15.02.2019
IS14.03.2019
PT14.03.2019
[2022/31]
Former [2021/34]HU23.09.2010
AL14.11.2018
AT14.11.2018
CY14.11.2018
CZ14.11.2018
DK14.11.2018
EE14.11.2018
ES14.11.2018
HR14.11.2018
IT14.11.2018
LV14.11.2018
MC14.11.2018
MT14.11.2018
NL14.11.2018
RO14.11.2018
SE14.11.2018
SI14.11.2018
SK14.11.2018
SM14.11.2018
TR14.11.2018
BG14.02.2019
NO14.02.2019
GR15.02.2019
IS14.03.2019
PT14.03.2019
Former [2021/32]HU23.09.2010
AL14.11.2018
AT14.11.2018
CY14.11.2018
CZ14.11.2018
DK14.11.2018
EE14.11.2018
ES14.11.2018
HR14.11.2018
IT14.11.2018
LV14.11.2018
MC14.11.2018
NL14.11.2018
RO14.11.2018
SE14.11.2018
SI14.11.2018
SK14.11.2018
SM14.11.2018
TR14.11.2018
BG14.02.2019
NO14.02.2019
GR15.02.2019
IS14.03.2019
PT14.03.2019
Former [2021/26]AL14.11.2018
AT14.11.2018
CY14.11.2018
CZ14.11.2018
DK14.11.2018
EE14.11.2018
ES14.11.2018
HR14.11.2018
IT14.11.2018
LV14.11.2018
MC14.11.2018
NL14.11.2018
RO14.11.2018
SE14.11.2018
SI14.11.2018
SK14.11.2018
SM14.11.2018
TR14.11.2018
BG14.02.2019
NO14.02.2019
GR15.02.2019
IS14.03.2019
PT14.03.2019
Former [2020/25]AL14.11.2018
AT14.11.2018
CZ14.11.2018
DK14.11.2018
EE14.11.2018
ES14.11.2018
HR14.11.2018
IT14.11.2018
LV14.11.2018
MC14.11.2018
NL14.11.2018
RO14.11.2018
SE14.11.2018
SI14.11.2018
SK14.11.2018
SM14.11.2018
TR14.11.2018
BG14.02.2019
NO14.02.2019
GR15.02.2019
IS14.03.2019
PT14.03.2019
Former [2020/17]AL14.11.2018
AT14.11.2018
CZ14.11.2018
DK14.11.2018
EE14.11.2018
ES14.11.2018
HR14.11.2018
IT14.11.2018
LV14.11.2018
NL14.11.2018
RO14.11.2018
SE14.11.2018
SI14.11.2018
SK14.11.2018
SM14.11.2018
TR14.11.2018
BG14.02.2019
NO14.02.2019
GR15.02.2019
IS14.03.2019
PT14.03.2019
Former [2020/09]AL14.11.2018
AT14.11.2018
CZ14.11.2018
DK14.11.2018
EE14.11.2018
ES14.11.2018
HR14.11.2018
IT14.11.2018
LV14.11.2018
NL14.11.2018
RO14.11.2018
SE14.11.2018
SI14.11.2018
SK14.11.2018
SM14.11.2018
BG14.02.2019
NO14.02.2019
GR15.02.2019
IS14.03.2019
PT14.03.2019
Former [2019/50]AL14.11.2018
AT14.11.2018
CZ14.11.2018
DK14.11.2018
EE14.11.2018
ES14.11.2018
FI14.11.2018
HR14.11.2018
IT14.11.2018
LV14.11.2018
NL14.11.2018
RO14.11.2018
SE14.11.2018
SI14.11.2018
SK14.11.2018
SM14.11.2018
BG14.02.2019
NO14.02.2019
GR15.02.2019
IS14.03.2019
PT14.03.2019
Former [2019/47]AL14.11.2018
AT14.11.2018
CZ14.11.2018
DK14.11.2018
EE14.11.2018
ES14.11.2018
FI14.11.2018
HR14.11.2018
IT14.11.2018
LV14.11.2018
NL14.11.2018
RO14.11.2018
SE14.11.2018
SK14.11.2018
SM14.11.2018
BG14.02.2019
NO14.02.2019
GR15.02.2019
IS14.03.2019
PT14.03.2019
Former [2019/40]AL14.11.2018
AT14.11.2018
CZ14.11.2018
DK14.11.2018
EE14.11.2018
ES14.11.2018
FI14.11.2018
HR14.11.2018
IT14.11.2018
LT14.11.2018
LV14.11.2018
NL14.11.2018
RO14.11.2018
SE14.11.2018
SK14.11.2018
SM14.11.2018
BG14.02.2019
NO14.02.2019
GR15.02.2019
IS14.03.2019
PT14.03.2019
Former [2019/37]AL14.11.2018
AT14.11.2018
CZ14.11.2018
DK14.11.2018
EE14.11.2018
ES14.11.2018
FI14.11.2018
HR14.11.2018
IT14.11.2018
LT14.11.2018
LV14.11.2018
NL14.11.2018
RO14.11.2018
SE14.11.2018
SM14.11.2018
BG14.02.2019
NO14.02.2019
GR15.02.2019
IS14.03.2019
PT14.03.2019
Former [2019/35]AL14.11.2018
AT14.11.2018
CZ14.11.2018
DK14.11.2018
ES14.11.2018
FI14.11.2018
HR14.11.2018
IT14.11.2018
LT14.11.2018
LV14.11.2018
NL14.11.2018
SE14.11.2018
BG14.02.2019
NO14.02.2019
GR15.02.2019
IS14.03.2019
PT14.03.2019
Former [2019/34]AL14.11.2018
AT14.11.2018
DK14.11.2018
ES14.11.2018
FI14.11.2018
HR14.11.2018
IT14.11.2018
LT14.11.2018
LV14.11.2018
NL14.11.2018
SE14.11.2018
BG14.02.2019
NO14.02.2019
GR15.02.2019
IS14.03.2019
PT14.03.2019
Former [2019/26]AL14.11.2018
AT14.11.2018
ES14.11.2018
FI14.11.2018
HR14.11.2018
LT14.11.2018
LV14.11.2018
NL14.11.2018
SE14.11.2018
BG14.02.2019
NO14.02.2019
GR15.02.2019
IS14.03.2019
PT14.03.2019
Former [2019/24]AT14.11.2018
ES14.11.2018
FI14.11.2018
HR14.11.2018
LT14.11.2018
LV14.11.2018
NL14.11.2018
SE14.11.2018
BG14.02.2019
NO14.02.2019
GR15.02.2019
IS14.03.2019
Former [2019/23]AT14.11.2018
ES14.11.2018
FI14.11.2018
HR14.11.2018
LT14.11.2018
LV14.11.2018
NL14.11.2018
BG14.02.2019
NO14.02.2019
IS14.03.2019
Former [2019/22]FI14.11.2018
LT14.11.2018
BG14.02.2019
NO14.02.2019
IS14.03.2019
Former [2019/21]FI14.11.2018
LT14.11.2018
NO14.02.2019
IS14.03.2019
Former [2019/20]LT14.11.2018
NO14.02.2019
Cited inInternational search[A]GB1406884  (FISONS LTD) [A] 1-20* the whole document *;
 [A]US4221769  (HARPER DOUGLAS C, et al) [A] 1-20 * the whole document *;
 [XD]CN1762857  (LIU TIANYANG [CN]) [XD] 1,2,16 * page 1 - page 2 * * page 3 *
by applicantDE3039187
 EP0271035
 US5120519
 EP0677485
 JP2002263690
 CN1762857
 GB2424876
    - WANG; CHUHUA; BENSON; ROBERT F.; MARTIN; DEAN F., "Enhanced solubility of sodium fluorosilicate scale by magnetic treatment", FLORIDA SCIENTIST, (1998), vol. 61, no. 1, pages 17 - 25
    - PANDEY, A. D.; MALLICK, K. K.; PANDEY, P. C.; VARMA, S., "Prevention of scale deposition on heat exchanger surfaces by use of high intensity ultrasonic waves during concentration of wet process phosphoric acid", FERTILISER NEWS, (1983), vol. 28, no. 6, pages 45 - 8
    - L. YANG; ZHANG Y.; HUANG, Y., CHEMICAL INDUSTRY AND ENGINEERING, (2002), vol. 19, no. 1, page 1
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