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: EP4491189

EP4491189 - COMPOSITION FOR PREVENTING OR TREATING DENTAL CARIES [Right-click to bookmark this link]
StatusRequest for examination was made
Status updated on  13.12.2024
Database last updated on 28.02.2026
FormerThe international publication has been made
Status updated on  15.09.2023
Most recent event   Tooltip13.02.2026Supplementary search reportpublished on 18.03.2026 [2026/12]
13.02.2026Change - classificationpublished on 18.03.2026 [2026/12]
13.02.2026Change - classificationpublished on 18.03.2026 [2026/12]
Applicant(s)For all designated states
Hysensbio Co., Ltd
(Gwacheon-dong )2F, 10
Dwitgol-ro
Gwacheon-si Gyeonggi-do 13814 / KR
[2025/03]
Inventor(s)01 / PARK, Joo Hwang
Incheon 21986 / KR
02 / LEE, Dong Seol
Seoul 03088 / KR
03 / GUG, Hye Ri
Seoul 02811 / KR
 [2025/03]
Representative(s)Mewburn Ellis LLP
Aurora Building
Counterslip
Bristol BS1 6BX / GB
[2025/03]
Application number, filing date23767006.206.01.2023
[2025/03]
WO2023KR00315
Priority number, dateKR2022002953508.03.2022         Original published format: KR 20220029535
[2025/03]
Filing languageKO
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2023171900
Date:14.09.2023
Language:KO
[2023/37]
Type: A1 Application with search report 
No.:EP4491189
Date:15.01.2025
Language:EN
[2025/03]
Search report(s)International search report - published on:KR14.09.2023
(Supplementary) European search report - dispatched on:EP12.02.2026
ClassificationIPC:A61K38/08, A61K38/17, A61P1/02, A23L33/17, A61K45/06
[2026/12]
CPC:
A23L33/18 (EP); A61K38/08 (EP,KR,US); A23L33/17 (KR);
A61K38/1709 (EP); A61K45/06 (EP,US); A61P1/02 (EP,KR,US);
A23V2002/00 (KR); A23V2200/312 (KR) (-)
Former IPC [2025/03]A61K38/08, A61P1/02, A23L33/17
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 [2025/03]
TitleGerman:ZUSAMMENSETZUNG ZUR VORBEUGUNG ODER BEHANDLUNG VON KARIES[2025/03]
English:COMPOSITION FOR PREVENTING OR TREATING DENTAL CARIES[2025/03]
French:COMPOSITION POUR LA PRÉVENTION OU LE TRAITEMENT DE CARIES DENTAIRES[2025/03]
Entry into regional phase08.10.2024Translation filed 
08.10.2024National basic fee paid 
08.10.2024Search fee paid 
08.10.2024Designation fee(s) paid 
08.10.2024Examination fee paid 
Examination procedure08.10.2024Examination requested  [2025/03]
Fees paidRenewal fee
08.10.2024Renewal fee patent year 03
19.01.2026Renewal 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.
Documents cited:Search[X] EP3369741  (HYSENSBIO et al.) [X] 1-3,5-7 * the whole document *
 [X] KR101956578  (HYSENSBIO et al.) [X] 1-6 * paragraphs [0125] - [0136]; claim - *
 [X] KR101956579  (HYSENSBIO et al.) [X] 1-3,5-6 * paragraphs [0105] - [0116]; claim - *
 [A]   MAO XIAOJUN ET AL: "Cetylpyridinium Chloride: Mechanism of Action, Antimicrobial Efficacy in Biofilms, and Potential Risks of Resistance", ANTIMICROBIAL AGENTS AND CHEMOTHERAPY, vol. 64, no. 8, 1 July 2020 (2020-07-01), US, XP093361272, ISSN: 0066-4804, DOI: 10.1128/AAC.00576-20 [A] 4 * the whole document *

DOI:   http://dx.doi.org/10.1128/AAC.00576-20
 [PI]   GUG HYE RI ET AL: "Novel strategy for dental caries by physiologic dentin regeneration with CPNE7 peptide", ARCHIVES OF ORAL BIOLOGY, ELSEVIER LTD, AMSTERDAM, NL, vol. 143, 31 August 2022 (2022-08-31), XP087189197, ISSN: 0003-9969, [retrieved on 20220831], DOI: 10.1016/J.ARCHORALBIO.2022.105531 [PI] 1-8 * the whole document *

DOI:   http://dx.doi.org/10.1016/j.archoralbio.2022.105531
International search[X] KR20180076996  (HYSENSBIO et al.) [X] 1-8 * See claims 1, 4, 9 and 11; and paragraphs [0003], [0054]-[0063] and [0088]-[0113]. *
 [A] KR102006862  (HYSENSBIO et al.) [A] 1-8 * See paragraphs [0018], [0082], [0092], [0096], [0099] and [0104]. *
 [A] US2019048349  (VELASQUEZ JUAN ESTEBAN et al.) [A] 1-8 * See entire document. *
 [A] EP3763348  (CREDENTIS AG et al.) [A] 1-8 * See abstract. *
 [X]   LEE YOON, PARK YEOUNG-HYUN, LEE DONG-SEOL, SEO YOU-MI, LEE JI-HYUN, PARK JOO-HWANG, CHOUNG HAN-WOOL, PARK SO-HYUN, SHON WON, PARK : "Tubular Dentin Regeneration Using a CPNE7-Derived Functional Peptide", MATERIALS, vol. 13, no. 20, 16 October 2020 (2020-10-16), pages 4618, XP093089559, DOI: 10.3390/ma13204618 [X] 1-3,5-8 * See abstract; inner pages 1-16; figures 1-6; and tables 1-4. *

DOI:   http://dx.doi.org/10.3390/ma13204618
by applicant  TADURU SREENATH ET AL., JOURNAL OF BIOLOGICAL CHEMISTRY, vol. 278, 2003, pages 24874 - 24880
   WILLIAM T. BUTLER ET AL., CONNECTIVE TISSUE RESEARCH,, vol. 44, 2003, pages 171 - 178 [X] 1-3,5-8 * See abstract; inner pages 1-16; figures 1-6; and tables 1-4. *
   ENGELSUHLMANN, ANGEW CHEM INTED ENGL., vol. 37, 1988, pages 73 - 127
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.