blank Quick help
blank Maintenance news

Scheduled maintenance

Regular maintenance outages:
between 05.00 and 05.15 hrs CET (Monday to Sunday).

Other outages
Availability

2022.02.11

More...
blank News flashes

Italy joins the Federated Register

Click here for more information on the Federated Register.

2025-06-12

More...
blank Related links

Release notes
European Patent Register Assistant
European Patent Register User Manual
European Patent Register – pocket guide
FAQ - European Patent Register
Federated Register (Flyer)
Global Dossier (Flyer)
Register events
Deep link coverage
Federated Register content
The Patent Information Tour
Fair use charter

Extract from the Register of European Patents

EP About this file: EP4429723

EP4429723 - COMPOSITIONS HAVING CHAIR-SIDE HANDLING PROPERTIES FOR DENTAL AND SOFT TISSUE APPLICATIONS [Right-click to bookmark this link]
StatusExamination is in progress
Status updated on  09.05.2025
Database last updated on 28.03.2026
FormerRequest for examination was made
Status updated on  15.08.2024
FormerThe international publication has been made
Status updated on  19.05.2023
Formerunknown
Status updated on  07.12.2022
Most recent event   Tooltip27.11.2025New entry: Renewal fee paid 
Applicant(s)For all designated states
Evonik Operations GmbH
Rellinghauser Straße 1-11
45128 Essen / DE
[2024/38]
Inventor(s)01 / ZHANG, Jian-Feng
Vestavia, Alabama 35243 / US
02 / WANG, Donghui
Hoover, Alabama 35216 / US
03 / PRABHU, Balaji
Hoover, Alabama 35226 / US
04 / KOO, Donghun
Hoover, Alabama 35226 / US
05 / JONES, Marshall Scott
Bessemer, Alabama 35022 / US
06 / ENGEL, Andrea
Hoover, Alabama 35226 / US
07 / DADSETAN, Mahrokh
Hoover, Alabama 35226 / US
08 / RANDL, Stefan
60599 Frankfurt / DE
09 / BORGES, Thiago Francisco Costa Carpes
Sterrett, Alabama 35147 / US
 [2024/38]
Representative(s)Evonik Patent Association
c/o Evonik Industries AG
IP Management
Postcode 84/339
Rodenbacher Chaussee 4
63457 Hanau / DE
[N/P]
Former [2024/38]Evonik Patent Association
c/o Evonik Industries AG
IP Management
Bau 1042A/PB 15
Paul-Baumann-Straße 1
45772 Marl / DE
Application number, filing date22813486.202.11.2022
[2024/38]
WO2022EP80515
Priority number, dateUS202163278031P10.11.2021         Original published format: US 202163278031 P
[2024/38]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2023083659
Date:19.05.2023
Language:EN
[2023/20]
Type: A1 Application with search report 
No.:EP4429723
Date:18.09.2024
Language:EN
The application published by WIPO in one of the EPO official languages on 19.05.2023 takes the place of the publication of the European patent application.
[2024/38]
Search report(s)International search report - published on:EP19.05.2023
ClassificationIPC:A61L27/18, A61L27/26, A61L27/46, A61L27/50, A61L27/58
[2024/38]
CPC:
A61L27/50 (EP); A61L27/18 (EP,US); A61L27/26 (EP,US);
A61L27/46 (EP); A61L27/54 (US); A61L27/58 (EP);
A61L2430/12 (EP,US) (-)
C-Set:
A61L27/18, C08L67/04 (EP);
A61L27/26, C08L5/08 (EP);
A61L27/26, C08L67/04 (EP);
A61L27/26, C08L89/06 (EP);
A61L27/46, C08L67/04 (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,   ME,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   RS,   SE,   SI,   SK,   SM,   TR [2024/38]
TitleGerman:ZUSAMMENSETZUNGEN MIT STUHLSEITIGEN HANDHABUNGSEIGENSCHAFTEN FÜR DENTALE UND WEICHGEWEBEANWENDUNGEN[2024/38]
English:COMPOSITIONS HAVING CHAIR-SIDE HANDLING PROPERTIES FOR DENTAL AND SOFT TISSUE APPLICATIONS[2024/38]
French:COMPOSITIONS AYANT DES PROPRIÉTÉS DE MANIPULATION AU FAUTEUIL POUR DES APPLICATIONS DENTAIRES ET DE TISSUS MOUS[2024/38]
Entry into regional phase27.05.2024National basic fee paid 
27.05.2024Designation fee(s) paid 
27.05.2024Examination fee paid 
Examination procedure27.05.2024Examination requested  [2024/38]
27.05.2024Date on which the examining division has become responsible
18.12.2024Amendment by applicant (claims and/or description)
12.05.2025Despatch of a communication from the examining division (Time limit: M04)
28.08.2025Reply to a communication from the examining division
Fees paidRenewal fee
26.11.2024Renewal fee patent year 03
26.11.2025Renewal fee patent year 04
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.
Cited inInternational search[X] US2011129422  (MARKLAND PETER et al.)
 [X] WO2019152695  (UNIV TEXAS TECH SYSTEM et al.)
 [A] US2016303279  (HSU SHAN-HUI et al.)
Examination  GHIMIRE SUVASH ET AL: "Polymeric Materials for Hemostatic Wound Healing", PHARMACEUTICS, vol. 13, no. 12, 9 December 2021 (2021-12-09), Switzerland, pages 2127, XP093271086, ISSN: 1999-4923, DOI: 10.3390/pharmaceutics13122127 [P]

DOI:   http://dx.doi.org/10.3390/pharmaceutics13122127
   SASAKI JUN-ICHI ET AL: "Barrier membranes for tissue regeneration in dentistry", BIOMATERIAL INVESTIGATIONS IN DENTISTRY, vol. 8, no. 1, 1 January 2021 (2021-01-01), pages 54 - 63, XP093271084, ISSN: 2641-5275, DOI: 10.1080/26415275.2021.1925556

DOI:   http://dx.doi.org/10.1080/26415275.2021.1925556
by applicantUS2009286886
 US7157140
 US8840913
 US8979536
 WO2019157583
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.