Register information Patent

WO file number: PCT/EP2019/080105 (Status: not pending/lapsed, Query started: April 28, 2025)

Please note: This English version is a non-binding translation of the German register excerpt. Only the German version of the register excerpt is legally binding.

Master data
INIDCriterionFieldContent
Type of IP rightSARTPatent
StatusSTNot pending/lapsed
86WO file numberWAKZPCT/EP2019/080105
87WO publication numberWPN2021089110
54Designation/titleTIPHOTOCATALYTICALLY ACTIVE AND SUPERHYDROPHOBIC ELASTIC FILMS, METHOD FOR PREPARING THE SAME AND APPLICATIONS THEREOF, IN PARTICULAR AS A WOUND DRESSING
51IPC main classICM
(ICMV)		 C08L 83/04 (2006.01)
51IPC secondary class(es)ICS
(ICSV)		 C08K 9/08 (2006.01)
86WO application dateWATNov 4, 2019
72InventorINInventor not yet named
Patent division in charge 13
87WO language of publicationWLANGEN - Englisch
57AbstractABThe present invention relates to photocatalytically active and superhydrophobic elastic composite films comprising or consisting of a cross-linked assembly of modified photocatalytically active metal oxide nanoparticles, in particular titanium dioxide nanoparticles, wherein the metal oxide nanoparticles are modified by a polysiloxane copolymer grafted on the surfaces thereof and wherein the modified nanoparticles are cross-linked by a coupling reaction between Si-H-groups of the polysiloxane copolymer and functional vinyl groups of a vinyl-terminated polysiloxane crosslinker. A further aspect of the invention relates to an article comprising a layer of such an elastic composite film provided on a substrate surface, preferably a surface of an elastic substrate. The photocatalytically active and superhydrophobic elastic composite films of the invention and the articles comprising the same have antibacterial properties and are capable to provide hemostasis and reducing the adherence of dry blood. Consequently, these elastic composite films and articles have medical applications, in particular for blood-repellent wound dressings. Still further aspects of the invention relate to methods for preparing said photocatalytically active and superhydrophobic elastic composite films as well as articles comprising the same.
81Designated WO countriesWDSAE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
Published EP/WO documentsEPWOPNOriginal document: WO2021089110A1
Searchable text: WO2021089110A1
43Date of first publicationEVTMay 14, 2021
Date of the first transfer into DPMAregisterEREGTMay 15, 2021
Date of the (most recent) update in DPMAregisterREGTJul 7, 2022
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  • Jul 7, 2022
    • Historical data not available for this/these date(s)
  • May 15, 2021
    • Date of the first transfer into DPMAregister
Procedural data
No.Kind of procedureLegal statusDate of legal/procedural statusPublication dateAlle Details anzeigen
1 Pre-registration procedure The application is under preliminary examination Nov 4, 2019  Details anzeigen
2 Search procedure Request for search effectively filed Nov 4, 2019  Details anzeigen
3 Procedure relating to PCT application WO first publication with search report May 14, 2021  Details anzeigen
4 Procedure relating to PCT application Ceased to have effect for DE Jun 8, 2022  Details anzeigen
View procedures Pre-registration procedure (No.: 1)
INIDCriterionFieldContent Close details
Type of procedureVARTPre-registration procedure
Legal/procedural statusVSTThe application is under preliminary examination
Date of legal/procedural statusVSTTNov 4, 2019
Date of update of the procedureREGTMay 15, 2021
View procedures Search procedure (No.: 2)
INIDCriterionFieldContent Close details
Type of procedureVARTSearch procedure
Legal/procedural statusVSTRequest for search effectively filed
Date of legal/procedural statusVSTTNov 4, 2019
Third party request No
Date of receiptAEGTNov 4, 2019
Date of update of the procedureREGTMay 15, 2021
View procedures Procedure relating to PCT application (No.: 3)
INIDCriterionFieldContent Close details
Type of procedureVARTProcedure relating to PCT application
Legal/procedural statusVSTWO first publication with search report
Date of legal/procedural statusVSTTMay 14, 2021
Date of update of the procedureREGTMay 15, 2021
View procedures Procedure relating to PCT application (No.: 4)
INIDCriterionFieldContent Close details
Type of procedureVARTProcedure relating to PCT application
Legal/procedural statusVSTCeased to have effect for DE
Date of legal/procedural statusVSTTJun 8, 2022
Date of update of the procedureREGTJul 7, 2022