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Extract from the Register of European Patents

EP About this file: EP3309179

EP3309179 - HYDROXYALKYL ALKYL CELLULOSE, METHOD FOR PRODUCING THE SAME, AND SOLID PREPARATION [Right-click to bookmark this link]
StatusThe patent has been granted
Status updated on  21.01.2022
Database last updated on 05.10.2024
FormerGrant of patent is intended
Status updated on  14.10.2021
FormerExamination is in progress
Status updated on  11.09.2019
FormerRequest for examination was made
Status updated on  12.10.2018
FormerThe application has been published
Status updated on  22.03.2018
Most recent event   Tooltip13.09.2024Lapse of the patent in a contracting state
New state(s): MT		published on 16.10.2024 [2024/42]
Applicant(s)For all designated states
Shin-Etsu Chemical Co., Ltd.
4-1, Marunouchi 1-chome
Chiyoda-ku
Tokyo 100-0005 / JP
[2022/22]
Former [2018/16]For all designated states
Shin-Etsu Chemical Co., Ltd.
6-1, Ohtemachi 2-chome Chiyoda-ku
Tokyo 100-0004 / JP
Inventor(s)01 / YOKOSAWA, Takuya
c/o Specialty Chemicals Research Center
Shin-Etsu Chemical Co. Ltd
28-1, Nishifukushima, Kubiki-ku, Joetsu-shi
Niigata 942-8601 / JP
02 / KITAGUCHI, Taishi
c/o Specialty Chemicals Research Center
Shin-Etsu Chemical Co. Ltd
28-1, Nishifukushima, Kubiki-ku, Joetsu-shi
Niigata 942-8601 / JP
03 / HIRAMA, Yasuyuki
c/o Specialty Chemicals Research Center
Shin-Etsu Chemical Co. Ltd
28-1, Nishifukushima, Kubiki-ku, Joetsu-shi
Niigata 942-8601 / JP
04 / KITAMURA, Akira
c/o Specialty Chemicals Research Center
Shin-Etsu Chemical Co. Ltd
28-1, Nishifukushima, Kubiki-ku, Joetsu-shi
Niigata 942-8601 / JP
 [2022/07]
Former [2018/16]01 / YOKOSAWA, Takuya
Shin-Etsu Chemical Co., Ltd.
c/o Specialty Chemicals Research Center
Shin-Etsu Chemical Co., Ltd.
28-1, Nishifukushima, Kubiki-ku, Joetsu-shi
Niigata, Niigata 942-8601 / JP
02 / KITAGUCHI, Taishi
Shin-Etsu Chemical Co., Ltd.
c/o Specialty Chemicals Research Center
Shin-Etsu Chemical Co., Ltd.
28-1, Nishifukushima, Kubiki-ku, Joetsu-shi
Niigata, Niigata 942-8601 / JP
03 / HIRAMA, Yasuyuki
Shin-Etsu Chemical Co., Ltd.
c/o Specialty Chemicals Research Center
Shin-Etsu Chemical Co., Ltd.
28-1, Nishifukushima, Kubiki-ku, Joetsu-shi
Niigata, Niigata 942-8601 / JP
04 / KITAMURA, Akira
Shin-Etsu Chemical Co., Ltd.
c/o Specialty Chemicals Research Center
Shin-Etsu Chemical Co., Ltd.
28-1, Nishifukushima, Kubiki-ku, Joetsu-shi
Niigata, Niigata 942-8601 / JP
Representative(s)Cabinet Nony
11 rue Saint-Georges
75009 Paris / FR
[N/P]
Former [2018/16]Nony
11 rue Saint-Georges
75009 Paris / FR
Application number, filing date17195310.206.10.2017
[2018/16]
Priority number, dateJP2016019909907.10.2016         Original published format: JP 2016199099
[2018/16]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP3309179
Date:18.04.2018
Language:EN
[2018/16]
Type: B1 Patent specification 
No.:EP3309179
Date:23.02.2022
Language:EN
[2022/08]
Search report(s)(Supplementary) European search report - dispatched on:EP21.03.2018
ClassificationIPC:A61K9/20, A61K9/14, A61K47/38, C09D101/30, C08L1/32, C08B11/193
[2021/39]
CPC:
A61K9/2054 (EP,CN,KR,US); C08B11/08 (CN,KR); C08B3/08 (US);
A61J3/10 (KR); A61K47/38 (EP,CN,US); C08B11/193 (EP,US);
C08B11/20 (KR); C08B3/14 (US); C08L1/284 (KR);
G01N15/0211 (US); A61K9/146 (EP,US); C08L1/32 (EP,US);
C09D101/30 (EP,US); G01N2021/479 (US) (-)
Former IPC [2018/16]C08B11/193
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 [2018/46]
Former [2018/16]AL,  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 
TitleGerman:HYDROXYALKYL-ALKYL-CELLULOSE, VERFAHREN ZUR HERSTELLUNG DAVON UND FESTES PRÄPARAT[2018/16]
English:HYDROXYALKYL ALKYL CELLULOSE, METHOD FOR PRODUCING THE SAME, AND SOLID PREPARATION[2018/16]
French:CELLULOSE ALKYLÉE ET HYDROXYALKYLÉE, SON PROCÉDÉ DE PRODUCTION ET PRÉPARATION SOLIDE[2018/16]
Examination procedure08.10.2018Amendment by applicant (claims and/or description)
08.10.2018Examination requested  [2018/46]
08.10.2018Date on which the examining division has become responsible
16.09.2019Despatch of a communication from the examining division (Time limit: M06)
17.02.2020Reply to a communication from the examining division
15.10.2021Communication of intention to grant the patent
13.01.2022Fee for grant paid
13.01.2022Fee for publishing/printing paid
13.01.2022Receipt of the translation of the claim(s)
Opposition(s)Opponent(s)01  23.11.2022  24.11.2022  ADMISSIBLE
DuPont Nutrition Biosciences ApS
Langebrogade 1
1411 Copenhagen K / DK
Opponent's representative
f & e patent
Braunsberger Feld 29
51429 Bergisch Gladbach / DE
 [2022/52]
07.12.2022Invitation to proprietor to file observations on the notice of opposition
06.04.2023Reply of patent proprietor to notice(s) of opposition
13.09.2024Date of oral proceedings
Fees paidRenewal fee
25.10.2019Renewal fee patent year 03
23.10.2020Renewal fee patent year 04
25.10.2021Renewal fee patent year 05
Opt-out from the exclusive  Tooltip
competence of the Unified
Patent Court		 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  TooltipHU06.10.2017
AL23.02.2022
AT23.02.2022
CY23.02.2022
CZ23.02.2022
DK23.02.2022
EE23.02.2022
ES23.02.2022
FI23.02.2022
HR23.02.2022
IT23.02.2022
LT23.02.2022
LV23.02.2022
MC23.02.2022
MK23.02.2022
MT23.02.2022
NL23.02.2022
PL23.02.2022
RO23.02.2022
RS23.02.2022
SE23.02.2022
SI23.02.2022
SK23.02.2022
SM23.02.2022
BG23.05.2022
NO23.05.2022
GR24.05.2022
IS23.06.2022
PT23.06.2022
IE06.10.2022
LU06.10.2022
CH31.10.2022
LI31.10.2022
[2024/42]
Former [2024/27]HU06.10.2017
AL23.02.2022
AT23.02.2022
CY23.02.2022
CZ23.02.2022
DK23.02.2022
EE23.02.2022
ES23.02.2022
FI23.02.2022
HR23.02.2022
IT23.02.2022
LT23.02.2022
LV23.02.2022
MC23.02.2022
MK23.02.2022
NL23.02.2022
PL23.02.2022
RO23.02.2022
RS23.02.2022
SE23.02.2022
SI23.02.2022
SK23.02.2022
SM23.02.2022
BG23.05.2022
NO23.05.2022
GR24.05.2022
IS23.06.2022
PT23.06.2022
IE06.10.2022
LU06.10.2022
CH31.10.2022
LI31.10.2022
Former [2024/21]HU06.10.2017
AL23.02.2022
AT23.02.2022
CY23.02.2022
CZ23.02.2022
DK23.02.2022
EE23.02.2022
ES23.02.2022
FI23.02.2022
HR23.02.2022
IT23.02.2022
LT23.02.2022
LV23.02.2022
MC23.02.2022
NL23.02.2022
PL23.02.2022
RO23.02.2022
RS23.02.2022
SE23.02.2022
SI23.02.2022
SK23.02.2022
SM23.02.2022
BG23.05.2022
NO23.05.2022
GR24.05.2022
IS23.06.2022
PT23.06.2022
IE06.10.2022
LU06.10.2022
CH31.10.2022
LI31.10.2022
Former [2024/18]HU06.10.2017
AL23.02.2022
AT23.02.2022
CZ23.02.2022
DK23.02.2022
EE23.02.2022
ES23.02.2022
FI23.02.2022
HR23.02.2022
IT23.02.2022
LT23.02.2022
LV23.02.2022
MC23.02.2022
NL23.02.2022
PL23.02.2022
RO23.02.2022
RS23.02.2022
SE23.02.2022
SI23.02.2022
SK23.02.2022
SM23.02.2022
BG23.05.2022
NO23.05.2022
GR24.05.2022
IS23.06.2022
PT23.06.2022
IE06.10.2022
LU06.10.2022
CH31.10.2022
LI31.10.2022
Former [2023/48]AL23.02.2022
AT23.02.2022
CZ23.02.2022
DK23.02.2022
EE23.02.2022
ES23.02.2022
FI23.02.2022
HR23.02.2022
IT23.02.2022
LT23.02.2022
LV23.02.2022
MC23.02.2022
NL23.02.2022
PL23.02.2022
RO23.02.2022
RS23.02.2022
SE23.02.2022
SI23.02.2022
SK23.02.2022
SM23.02.2022
BG23.05.2022
NO23.05.2022
GR24.05.2022
IS23.06.2022
PT23.06.2022
IE06.10.2022
LU06.10.2022
CH31.10.2022
LI31.10.2022
Former [2023/35]AL23.02.2022
AT23.02.2022
CZ23.02.2022
DK23.02.2022
EE23.02.2022
ES23.02.2022
FI23.02.2022
HR23.02.2022
IT23.02.2022
LT23.02.2022
LV23.02.2022
MC23.02.2022
NL23.02.2022
PL23.02.2022
RO23.02.2022
RS23.02.2022
SE23.02.2022
SI23.02.2022
SK23.02.2022
SM23.02.2022
BG23.05.2022
NO23.05.2022
GR24.05.2022
IS23.06.2022
PT23.06.2022
LU06.10.2022
CH31.10.2022
LI31.10.2022
Former [2023/30]AL23.02.2022
AT23.02.2022
CZ23.02.2022
DK23.02.2022
EE23.02.2022
ES23.02.2022
FI23.02.2022
HR23.02.2022
LT23.02.2022
LV23.02.2022
MC23.02.2022
NL23.02.2022
PL23.02.2022
RO23.02.2022
RS23.02.2022
SE23.02.2022
SI23.02.2022
SK23.02.2022
SM23.02.2022
BG23.05.2022
NO23.05.2022
GR24.05.2022
IS23.06.2022
PT23.06.2022
LU06.10.2022
Former [2023/25]AL23.02.2022
AT23.02.2022
CZ23.02.2022
DK23.02.2022
EE23.02.2022
ES23.02.2022
FI23.02.2022
HR23.02.2022
LT23.02.2022
LV23.02.2022
MC23.02.2022
NL23.02.2022
PL23.02.2022
RO23.02.2022
RS23.02.2022
SE23.02.2022
SI23.02.2022
SK23.02.2022
SM23.02.2022
BG23.05.2022
NO23.05.2022
GR24.05.2022
IS23.06.2022
PT23.06.2022
Former [2023/10]AL23.02.2022
AT23.02.2022
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EE23.02.2022
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NL23.02.2022
PL23.02.2022
RO23.02.2022
RS23.02.2022
SE23.02.2022
SI23.02.2022
SK23.02.2022
SM23.02.2022
BG23.05.2022
NO23.05.2022
GR24.05.2022
IS23.06.2022
PT23.06.2022
Former [2023/01]AL23.02.2022
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NO23.05.2022
GR24.05.2022
IS23.06.2022
PT23.06.2022
Former [2022/49]AT23.02.2022
CZ23.02.2022
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EE23.02.2022
ES23.02.2022
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NL23.02.2022
PL23.02.2022
RO23.02.2022
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SK23.02.2022
SM23.02.2022
BG23.05.2022
NO23.05.2022
GR24.05.2022
IS23.06.2022
PT23.06.2022
Former [2022/48]AT23.02.2022
CZ23.02.2022
DK23.02.2022
EE23.02.2022
ES23.02.2022
FI23.02.2022
HR23.02.2022
LT23.02.2022
LV23.02.2022
NL23.02.2022
PL23.02.2022
RO23.02.2022
RS23.02.2022
SE23.02.2022
SM23.02.2022
BG23.05.2022
NO23.05.2022
GR24.05.2022
IS23.06.2022
PT23.06.2022
Former [2022/47]AT23.02.2022
DK23.02.2022
ES23.02.2022
FI23.02.2022
HR23.02.2022
LT23.02.2022
LV23.02.2022
NL23.02.2022
PL23.02.2022
RO23.02.2022
RS23.02.2022
SE23.02.2022
SM23.02.2022
BG23.05.2022
NO23.05.2022
GR24.05.2022
IS23.06.2022
PT23.06.2022
Former [2022/46]AT23.02.2022
DK23.02.2022
ES23.02.2022
FI23.02.2022
HR23.02.2022
LT23.02.2022
LV23.02.2022
NL23.02.2022
PL23.02.2022
RS23.02.2022
SE23.02.2022
BG23.05.2022
NO23.05.2022
GR24.05.2022
IS23.06.2022
PT23.06.2022
Former [2022/42]AT23.02.2022
ES23.02.2022
FI23.02.2022
HR23.02.2022
LT23.02.2022
LV23.02.2022
NL23.02.2022
PL23.02.2022
RS23.02.2022
SE23.02.2022
BG23.05.2022
NO23.05.2022
GR24.05.2022
IS23.06.2022
PT23.06.2022
Former [2022/39]AT23.02.2022
ES23.02.2022
FI23.02.2022
HR23.02.2022
LT23.02.2022
LV23.02.2022
NL23.02.2022
PL23.02.2022
RS23.02.2022
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BG23.05.2022
NO23.05.2022
GR24.05.2022
PT23.06.2022
Former [2022/36]AT23.02.2022
ES23.02.2022
HR23.02.2022
LT23.02.2022
LV23.02.2022
NL23.02.2022
PL23.02.2022
RS23.02.2022
SE23.02.2022
BG23.05.2022
NO23.05.2022
GR24.05.2022
PT23.06.2022
Former [2022/35]ES23.02.2022
HR23.02.2022
LT23.02.2022
NL23.02.2022
RS23.02.2022
SE23.02.2022
BG23.05.2022
NO23.05.2022
PT23.06.2022
Former [2022/34]ES23.02.2022
LT23.02.2022
NL23.02.2022
NO23.05.2022
PT23.06.2022
Former [2022/33]LT23.02.2022
NO23.05.2022
Documents cited:Search[A]GB1139519  (DOW CHEMICAL CO);
 [A]US4734285  (ALDERMAN DANIEL A [US]);
 [A]WO0032637  (DOW CHEMICAL CO [US]);
 [Y]US6235893  (REIBERT KENNETH C [US], et al);
 [Y]WO2012138532  (DOW GLOBAL TECHNOLOGIES LLC [US], et al);
 [I]WO2014052213  (DOW GLOBAL TECHNOLOGIES LLC [US]);
by applicantJPH06316535
 WO2008127794
 JP2010523688
 JP2010254756
 WO2012138529
 JP2014510137
 JP2015166453
OppositionEP2754673
 EP2837638
 EP2907508
 EP3308774
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.