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Extract from the Register of European Patents

EP About this file: EP3943479

EP3943479 - PROCESSES FOR PREPARING 5,5-DIMETHYL-2-OXO-3-CYCLOPENTENE-1-CARBOXYLATE COMPOUNDS AND 3,5,5-TRIMETHYL-2-OXO-3-CYCLOPENTENE-1-CARBOXYLATE COMPOUNDS FROM 3,3-DIMETHYL-1-BUTENE-1,4-DICARBOXYLATE COMPOUNDS AND 1,3,3-TRIMETHYL-1-BUTENE-1,4-DICARBOXYLATE COMPOUNDS, AND 1,3,3-TRIMETHYL-1-BUTENE-1,4-DICARBOXYLATE COMPOUNDS [Right-click to bookmark this link]
StatusThe patent has been granted
Status updated on  29.03.2024
Database last updated on 28.09.2024
FormerGrant of patent is intended
Status updated on  05.02.2024
FormerRequest for examination was made
Status updated on  03.01.2024
FormerGrant of patent is intended
Status updated on  20.11.2023
FormerRequest for examination was made
Status updated on  15.02.2023
FormerGrant of patent is intended
Status updated on  15.11.2022
FormerRequest for examination was made
Status updated on  29.07.2022
FormerThe application has been published
Status updated on  24.12.2021
Most recent event   Tooltip29.03.2024(Expected) grantpublished on 01.05.2024  [2024/18]
Applicant(s)For all designated states
Shin-Etsu Chemical Co., Ltd.
6-1, Ohtemachi 2-chome Chiyoda-ku
Tokyo 100-0004 / JP
[2022/04]
Inventor(s)01 / WATANABE, Tomohiro
Joetsu-shi, 942-8601 / JP
02 / KINSHO, Takeshi
Joetsu-shi, 942-8601 / JP
03 / YAMASHITA, Miyoshi
Joetsu-shi, 942-8601 / JP
 [2022/04]
Representative(s)De Vries & Metman
Overschiestraat 180
1062 XK Amsterdam / NL
[2022/04]
Application number, filing date21186477.219.07.2021
[2022/04]
Priority number, dateJP2020012581022.07.2020         Original published format: JP 2020125810
[2022/04]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP3943479
Date:26.01.2022
Language:EN
[2022/04]
Type: B1 Patent specification 
No.:EP3943479
Date:01.05.2024
Language:EN
[2024/18]
Search report(s)(Supplementary) European search report - dispatched on:EP17.12.2021
ClassificationIPC:C07C67/313, C07C69/593
[2022/04]
CPC:
C07C69/593 (EP,CN,US); C07C67/313 (EP,CN,US); C07C67/327 (US);
C07B2200/09 (CN); C07C2601/10 (EP,CN,US)
C-Set:
C07C67/313, C07C69/757 (US,CN,EP);
C07C67/327, C07C69/757 (US);
C07C67/343, C07C69/593 (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 [2022/35]
Former [2022/04]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:VERFAHREN ZUR HERSTELLUNG VON 5,5-DIMETHYL-2-OXO-3-CYCLOPENTEN-1-CARBOXYLAT-VERBINDUNGEN UND 3,5,5-TRIMETHYL-2-OXO-3-CYCLOPENTEN-1-CARBOXYLAT-VERBINDUNGEN AUS 3,3-DIMETHYL-1-BUTEN-1,4-DICARBOXYLAT-VERBINDUNGEN UND 1,3,3-TRIMETHYL-1-BUTEN-1,4-DICARBOXYLAT-VERBINDUNGEN SOWIE 1,3,3-TRIMETHYL-1-BUTEN-1,4-DICARBOXYLAT-VERBINDUNGEN[2022/04]
English:PROCESSES FOR PREPARING 5,5-DIMETHYL-2-OXO-3-CYCLOPENTENE-1-CARBOXYLATE COMPOUNDS AND 3,5,5-TRIMETHYL-2-OXO-3-CYCLOPENTENE-1-CARBOXYLATE COMPOUNDS FROM 3,3-DIMETHYL-1-BUTENE-1,4-DICARBOXYLATE COMPOUNDS AND 1,3,3-TRIMETHYL-1-BUTENE-1,4-DICARBOXYLATE COMPOUNDS, AND 1,3,3-TRIMETHYL-1-BUTENE-1,4-DICARBOXYLATE COMPOUNDS[2022/04]
French:PROCÉDÉS DE PRÉPARATION DE COMPOSÉS DE 5,5-DIMÉTHYL-2-OXO-3-CYCLOPENTÈNE-1-CARBOXYLATE ET DE COMPOSÉS DE 3,5,5-TRIMÉTHYL-2-OXO-3-CYCLOPENTÈNE-1-CARBOXYLATE À PARTIR DE COMPOSÉS DE 3,3-DIMÉTHYL-1-BUTÈNE-1,4-DICARBOXYLATE ET DE COMPOSÉS DE 1,3,3-TRIMÉTHYL-1-BUTÈNE-1,4-DICARBOXYLATE ET DE COMPOSÉS DE 1,3,3-TRIMÉTHYL-1-BUTÈNE-1,4-DICARBOXYLATE[2022/04]
Examination procedure21.07.2022Amendment by applicant (claims and/or description)
21.07.2022Examination requested  [2022/35]
21.07.2022Date on which the examining division has become responsible
16.11.2022Communication of intention to grant the patent
15.02.2023Disapproval of the communication of intention to grant the patent by the applicant or resumption of examination proceedings by the EPO
15.02.2023Fee for grant paid
15.02.2023Fee for publishing/printing paid
21.11.2023Communication of intention to grant the patent
22.12.2023Disapproval of the communication of intention to grant the patent by the applicant or resumption of examination proceedings by the EPO
13.02.2024Communication of intention to grant the patent
27.03.2024Receipt of the translation of the claim(s)
Fees paidRenewal fee
14.06.2023Renewal fee patent year 03
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Documents cited:Search[AD]  - J. RICHERS ET AL., CHEM. EUR. J., (2017), vol. 23, pages 3178 - 3183, XP055869746 [AD] 1-5 * the whole document *

DOI:   http://dx.doi.org/10.1002/chem.201605362
by applicant   - J. G. MILLAR et al., J. Agric. FoodChem., (20100000), vol. 58, pages 4977 - 4982
    - A. LEVI-ZADA et al., J. Chem. Ecol., (20190000), vol. 45, pages 455 - 463
    - J. RICHERS et al., Chem. Eur. J., (20170000), vol. 23, pages 3178 - 3183
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.