Global Patent Index - EP 3816327 A1

EP 3816327 A1 20210505 - THE FORMATION METHOD OF POROUS ANTIBACTERIAL COATINGS ON TITANIUM AND TITANIUM ALLOYS SURFACE

Title (en)

THE FORMATION METHOD OF POROUS ANTIBACTERIAL COATINGS ON TITANIUM AND TITANIUM ALLOYS SURFACE

Title (de)

VERFAHREN ZUR HERSTELLUNG VON PORÖSEN ANTIBAKTERIELLEN BESCHICHTUNGEN AUF DER OBERFLÄCHE VON TITAN UND TITANLEGIERUNGEN

Title (fr)

PROCÉDÉ DE FORMATION DE REVÊTEMENTS ANTIBACTÉRIENS POREUX SUR UNE SURFACE DE TITANE ET D'ALLIAGES DE TITANE

Publication

EP 3816327 A1 20210505 (EN)

Application

EP 20460021 A 20200505

Priority

PL 43037419 A 20190625

Abstract (en)

The method of titanium surface modification by plasma electrochemical oxidation in Ca(H<sub>2</sub>PO<sub>2</sub>)<sub>2</sub> baths at a concentration from 0.01 mol·dm<sup>-3</sup> to 5mol·dm<sup>-3</sup> with an anodic current density from 1 mA·cm<sup>-2</sup> to 250 mA·cm<sup>-2</sup> and applied voltage from 50 V to 600 V is characterized by immersing the surface-modified element in an aqueous salt solution with insoluble particles of metal phosphate at a concentration from 1 g·dm<sup>-3</sup> to 400 g·dm<sup>-3</sup>.

IPC 8 full level

C25D 11/02 (2006.01); C25D 11/26 (2006.01)

CPC (source: EP)

C25D 11/026 (2013.01); C25D 11/26 (2013.01)

Citation (applicant)

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  • CN 107376897 A 20171124 - UNIV SOUTH CHINA TECH
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  • PL 225227 A1 19820104 - CT KT MASZYN GORNICZYCH KOMAG [PL]
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  • PL 214630 B1 20130830 - POLITECHNIKA SLASKA IM WINCENT [PL]
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Citation (search report)

  • [A] PL 214958 B1 20131031 - POLITECHNIKA SLASKA IM WINCENT [PL]
  • [A] CN 102677125 A 20120919 - NW INST NON FERROUS METAL RES
  • [A] KAZEK-KESIK ALICJA ET AL: "Surface characterisation of Ti-15Mo alloy modified by a PEO process in various suspens", MATERIALS SCIENCE AND ENGINEERING C, vol. 39, 12 March 2014 (2014-03-12), pages 259 - 272, XP029029210, ISSN: 0928-4931, DOI: 10.1016/J.MSEC.2014.03.008
  • [AD] NECULA B S ET AL: "In vitro antibacterial activity of porous TiO"2-Ag composite layers against methicillin-resistant Staphylococcus aureus", ACTA BIOMATERIALIA, ELSEVIER, AMSTERDAM, NL, vol. 5, no. 9, 1 November 2009 (2009-11-01), pages 3573 - 3580, XP026693830, ISSN: 1742-7061, [retrieved on 20090518], DOI: 10.1016/J.ACTBIO.2009.05.010
  • [A] DATABASE EPODOC [online] EUROPEAN PATENT OFFICE, THE HAGUE, NL; 20 May 1996 (1996-05-20), XP002800828, Database accession no. RU-94028190-A & RU 94028190 A 19960520 - INST KHIM DAL NEVOSTOCHNOGO OTDEL RAN
  • [AD] MUHAFFEL FAIZ ET AL: "Characteristics of multi-layer coatings synthesized on Ti6Al4V alloy by micro-arc oxidation in silver nitrate added electrolytes", SURFACE AND COATINGS TECHNOLOGY, ELSEVIER BV, AMSTERDAM, NL, vol. 307, 1 September 2016 (2016-09-01), pages 308 - 315, XP029823815, ISSN: 0257-8972, DOI: 10.1016/J.SURFCOAT.2016.09.002

Designated contracting state (EPC)

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 MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

EP 3816327 A1 20210505; EP 3816327 B1 20231018; EP 3816327 B8 20231220; PL 239584 B1 20211220; PL 3816327 T3 20240318; PL 430374 A1 20200713

DOCDB simple family (application)

EP 20460021 A 20200505; PL 20460021 T 20200505; PL 43037419 A 20190625