Extract from the Register of European Patents

EP About this file: EP4584320

EP4584320 - SEAWEED AND CELLULOSE BASED FILM [Right-click to bookmark this link]
StatusRequest for examination was made
Status updated on  13.06.2025
Database last updated on 28.03.2026
FormerThe international publication has been made
Status updated on  15.03.2024
Formerunknown
Status updated on  18.09.2023
Most recent event   Tooltip13.03.2026Change - classificationpublished on 15.04.2026 [2026/16]
13.03.2026Change - classificationpublished on 15.04.2026 [2026/16]
13.03.2026Change - French titlepublished on 15.04.2026 [2026/16]
Applicant(s)For all designated states
B'Zeos Switzerland SA
c/o Fibexa SA société fiduciaire
Rue du Lion Dor, 1
1003 Lausanne / CH
[2025/29]
Inventor(s)01 / DORE, Camilla
08001 Barcelona / ES
02 / KYVIK, Adriana
08035 Barcelona / ES
03 / MAURICE, Guy
0188 Oslo / NO
 [2025/29]
Representative(s)ABG Intellectual Property Law, S.L.
Avenida de Burgos, 16D
Edificio Euromor
28036 Madrid / ES
[2025/29]
Application number, filing date23767842.005.09.2023
[2025/29]
WO2023EP74261
Priority number, dateEP2022038282706.09.2022         Original published format: EP 22382827
[2025/29]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2024052315
Date:14.03.2024
Language:EN
[2024/11]
Type: A1 Application with search report 
No.:EP4584320
Date:16.07.2025
Language:EN
The application published by WIPO in one of the EPO official languages on 14.03.2024 takes the place of the publication of the European patent application.
[2025/29]
Search report(s)International search report - published on:EP14.03.2024
ClassificationIPC:C08J5/18, D21H17/00, C08L5/04, D21H17/06, D21H17/26, D21H17/30, D21H19/24, D21H19/34, D21H27/10
[2026/16]
CPC:
C08J5/18 (EP); C09D105/04 (US); B65D65/42 (US);
B65D85/34 (US); C08L5/04 (EP); C09D7/63 (US);
D21H17/06 (EP); D21H17/26 (EP); D21H17/30 (EP);
D21H17/72 (EP); D21H19/34 (EP); D21H27/10 (EP);
C08J2305/04 (EP); C08J2401/02 (EP); C08J2401/28 (EP);
C08J2405/00 (EP) (-)
C-Set:
C08L5/04, C08L1/04, C08L1/286, C08L5/00 (EP)
Former IPC [2025/29]C08J5/18, C08L5/04, D21H17/06, D21H17/26, D21H17/30, D21H19/34, D21H27/10
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 [2025/29]
TitleGerman:FILM AUF BASIS VON ALGEN UND ZELLULOSE[2025/29]
English:SEAWEED AND CELLULOSE BASED FILM[2025/29]
French:FILM À BASE D'ALGUES ET DE CELLULOSE[2026/16]
Former [2025/29]FILM À BASE D'ALGUES MARINES ET DE CELLULOSE
Entry into regional phase03.04.2025National basic fee paid 
03.04.2025Designation fee(s) paid 
03.04.2025Examination fee paid 
Examination procedure03.04.2025Amendment by applicant (claims and/or description)
03.04.2025Examination requested  [2025/29]
03.04.2025Date on which the examining division has become responsible
Fees paidRenewal fee
11.09.2025Renewal fee patent year 03
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Cited inInternational search[A] CN114479203  
 [AD]   ABDUL KHALIL H. P. S. ET AL: "Biodegradable polymer films from seaweed polysaccharides: A review on cellulose as a reinforcement material", EXPRESS POLYMER LETTERS, vol. 11, no. 4, 1 January 2017 (2017-01-01), pages 244 - 265, XP055846648, ISSN: 1788-618X, DOI: 10.3144/expresspolymlett.2017.26

DOI:   http://dx.doi.org/10.3144/expresspolymlett.2017.26
 [A]   DATABASE WPI Week 2022006, Derwent World Patents Index; AN 2022-704044, XP002808630
 [A]   HAN YINGYING ET AL: "Sodium alginate/carboxymethyl cellulose films containing pyrogallic acid: physical and antibacterial properties : Sodium alginate/carboxymethyl cellulose films containing pyrogallic acid", vol. 97, no. 4, 1 March 2017 (2017-03-01), GB, pages 1295 - 1301, XP093022731, ISSN: 0022-5142, Retrieved from the Internet DOI: 10.1002/jsfa.7863

DOI:   http://dx.doi.org/10.1002/jsfa.7863
 [A]   JONGQI ZHANG ET AL.: "Preparation of the alginate/carrageenan/shellac films reinforced with cellulose nanocrystals obtained from enteromorpha for food packaging", INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES, no. 218, 25 July 2022 (2022-07-25), pages 519 - 532, XP002808631, DOI: 10.1016/j.ijbiomac.2022.07.145

DOI:   http://dx.doi.org/10.1016/j.ijbiomac.2022.07.145
by applicantWO03061633
   PAIXAO ET AL., J. APPL. POLYM. SCI., vol. 136, 2019, pages 48263
   PAULA ET AL., FOOD HYDROCOLLOIDS, vol. 47, 2015, pages 140 - 145
   KHALIL ET AL., EXPRESS POLYMER LETTERS, vol. 11, no. 4, 2017, pages 244 - 265
   QUEIROZ, CELLULOSE, vol. 28, 2021, pages 8971 - 8985
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