(19)
(11) EP 4 770 984 A1

(12)

(43) Date of publication:
08.07.2026 Bulletin 2026/28

(21) Application number: 24817428.6

(22) Date of filing: 07.11.2024
(51) International Patent Classification (IPC): 
C07C 39/21(2006.01)
C07C 43/23(2006.01)
C07C 69/92(2006.01)
C07C 41/26(2006.01)
C07C 45/29(2006.01)
C07C 67/343(2006.01)
 C07C 43/215(2006.01)
C07C 47/575(2006.01)
C07C 37/055(2006.01)
C07C 41/30(2006.01)
C07C 67/00(2006.01)
(52) Cooperative Patent Classification (CPC):
C07C 67/00; C07C 67/343; C07C 41/26; C07C 45/298; C07C 41/30; C07C 37/055; C07C 39/21; C07C 43/23; C07C 43/215; C07C 47/575; C07C 69/92
 
C-Sets:
  1. C07C 41/30, C07C 43/215;
  2. C07C 37/055, C07C 39/21;
  3. C07C 67/00, C07C 69/92;
  4. C07C 67/343, C07C 69/92;
  5. C07C 41/26, C07C 43/23;
  6. C07C 45/298, C07C 47/575;
(86) International application number:
PCT/IB2024/061047
(87) International publication number:
WO 2025/099634 (15.05.2025 Gazette 2025/20)
(84) Designated Contracting States:
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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA
Designated Validation States:
GE KH MA MD TN

(30) Priority: 08.11.2023 IT 202300023508

(71) Applicant: Procos S.p.A.
28062 Cameri (IT)

(72) Inventors:
  • GOBBATO, Stefano
    28060 San Pietro Mosezzo (NO) (IT)
  • BAUDINO, Matteo
    10086 Rivarolo Canavese (TO) (IT)
  • BISBANO, Giovanni
    98042 Pace del Mela (ME) (IT)
  • LOMBARDI, Lorenzo
    60031 Castelplanio (AN) (IT)
  • MAGGI, Lorenzo
    22030 Castelmarte (CO) (IT)
  • MOSSOTTI, Matteo
    28064 Carpignano Sesia (NO) (IT)
  • ROLETTO, Jacopo
    10127 Torino (TO) (IT)

(74) Representative: Cattaneo, Elisabetta et al
Notarbartolo & Gervasi S.p.A. Viale Achille Papa, 30
20149 Milano
20149 Milano (IT)

   


(54) PROCESS FOR PREPARING THE POLYMORPHIC FORM III OF TAPINAROF