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Extract from the Register of European Patents

EP About this file: EP4219505

EP4219505 - METHOD FOR PRODUCING DIANHYDROHEXITOL WITH A STEP OF DISTILLATION ON A THIN-FILM EVAPORATOR [Right-click to bookmark this link]
StatusRequest for examination was made
Status updated on  09.02.2024
Database last updated on 24.08.2024
FormerThe application has been published
Status updated on  30.06.2023
Most recent event   Tooltip28.03.2024New entry: Renewal fee paid 
Applicant(s)For all designated states
ROQUETTE FRERES
1 rue de la Haute Loge
62136 Lestrem / FR
[2023/31]
Inventor(s)01 / WYART, Hervé
62149 CUINCHY / FR
02 / IBERT, Mathias
59930 LA CHAPELLE D'ARMENTIERES / FR
 [2023/31]
Representative(s)Plasseraud IP
104 Rue de Richelieu
CS92104
75080 Paris Cedex 02 / FR
[N/P]
Former [2023/31]Plasseraud IP
66, rue de la Chaussée d'Antin
75440 Paris Cedex 09 / FR
Application number, filing date23162719.116.03.2017
[2023/31]
Priority number, dateFR2016005223616.03.2016         Original published format: FR 1652236
[2023/31]
Filing languageFR
Procedural languageFR
PublicationType: A1 Application with search report 
No.:EP4219505
Date:02.08.2023
Language:FR
[2023/31]
Search report(s)(Supplementary) European search report - dispatched on:EP14.06.2023
ClassificationIPC:C07D493/04
[2023/31]
CPC:
C07D493/04 (EP,KR,US); B01D1/22 (US); B01D3/14 (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 [2024/11]
Former [2023/31]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 DIANHYDROHEXITOL MIT EINEM DESTILLATIONSSCHRITT AUF EINEM DÜNNSCHICHTVERDAMPFER[2023/31]
English:METHOD FOR PRODUCING DIANHYDROHEXITOL WITH A STEP OF DISTILLATION ON A THIN-FILM EVAPORATOR[2023/31]
French:PROCEDE DE FABRICATION DE DIANHYDROHEXITOL AVEC UNE ETAPE DE DISTILLATION SUR UN EVAPORATEUR A COUCHE MINCE[2023/31]
Examination procedure02.02.2024Amendment by applicant (claims and/or description)
02.02.2024Examination requested  [2024/11]
02.02.2024Date on which the examining division has become responsible
Parent application(s)   TooltipEP17716565.1  / EP3430014
Fees paidRenewal fee
17.03.2023Renewal fee patent year 03
17.03.2023Renewal fee patent year 04
17.03.2023Renewal fee patent year 05
17.03.2023Renewal fee patent year 06
17.03.2023Renewal fee patent year 07
27.03.2024Renewal fee patent year 08
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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.
Documents cited:Search[X]WO03089445  (DU PONT [US]) [X] 1-11 * page 5, lines 10-18; example -; claim - *;
 [X]WO2005047228  (ARCHER DANIELS MIDLAND CO [US]) [X] 1-11 * paragraph [0010]; claim - *;
 [X]US2007213544  (SANBORN ALEXANDRA J [US]) [X] 1-11 * paragraph [0055] - paragraph [0058]; example -; claim - *;
 [Y]WO2014177815  (ROQUETTE FRERES [FR]) [Y] 1-11* example 1; claim - *;
 [Y]EP2848603  (SAMYANG GENEX CORP [KR]) [Y] 1-11 * paragraph [0008] - paragraph [0009]; example -; claim - *;
 [X]US2015126599  (SANBORN ALEXANDRA [US], et al) [X] 1-11 * examples 1-4, 9; claim - *
by applicantGB613444
 US3160641
 US4408061
 CA1178288
 EP0323994
 US4861513
 WO0014081
 WO2005047228
 WO2009126852
 WO2013169029
 KR20140048436
 WO2014073843
 WO2014129834
    - "Interconversion of DianhydroHexitols and of Saccharic Acids", Nature, (19491001), vol. 464, pages 573 - 574
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.