IP Verse

Preformed Protective Cover And Wind Turbine Blade - EP3533816

The patent EP3533816 was granted to Polytech on Jul 17, 2024. The application was originally filed on Nov 10, 2015 under application number EP19164579A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3533816

POLYTECH
Application Number
EP19164579A
Filing Date
Nov 10, 2015
Status
Granted And Under Opposition
Jun 14, 2024
Publication Date
Jul 17, 2024
External Links
Slate, Register, Google Patents

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GE WIND ENERGYApr 16, 2025COPA COPENHAGEN PATENTSADMISSIBLE

Patent Citations (35) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication Number
DESCRIPTIONEP0037987
DESCRIPTIONUS2013045105
DESCRIPTIONWO2004076852
DESCRIPTIONWO2010122157
OPPOSITIONDK172126B
OPPOSITIONEP2383305
OPPOSITIONEP2551314
OPPOSITIONEP2927482
OPPOSITIONES2333929
OPPOSITIONUS2004118978
OPPOSITIONUS2005169763
OPPOSITIONUS2010135817
OPPOSITIONUS2010266799
OPPOSITIONUS2011142678
OPPOSITIONUS2012007270
OPPOSITIONUS2012156049
OPPOSITIONUS2012163981
OPPOSITIONUS2013045105
OPPOSITIONUS2014186188
OPPOSITIONUS4202957
OPPOSITIONWO0206370
OPPOSITIONWO2004076852
OPPOSITIONWO2004092241
OPPOSITIONWO2007048141
OPPOSITIONWO2008089163
OPPOSITIONWO2009023424
OPPOSITIONWO2013012699
OPPOSITIONWO2013019524
OPPOSITIONWO2013092211
OPPOSITIONWO2013137964
OPPOSITIONWO2013172823
SEARCHES2333929
SEARCHUS2012007270
SEARCHUS2013045105
SEARCHUS4202957

Non-Patent Literature (NPL) Citations (24) New

NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.

Citation PhaseReference Text
OPPOSITION- Anonymous, "3M™ Wind Blade Protection Coating W4600", 3M Technical Data Sheet, (20140601), pages 1 - 2, XP093271750
OPPOSITION- Anonymous, "IDENTIFICATION OF THE SUBSTANCE/PREPARATION AND OF THE COMPANY/UNDERTAKING", 3M Safety Data Sheet, (20120412), pages 1 - 27, XP093271737
OPPOSITION- Anonymous, "Integral Skin Polyurethanes A Processing Guide", Bayflex, (20200101), pages 1 - 48, XP093271754
OPPOSITION- Anonymous, "Polyurethane Raw Materials North America Isocyanates and Polyols", O-BASF, (20190101), pages 1 - 16, XP093271755
OPPOSITION- Becker Gerhard W, Braun Dietrich, "Polyisocyanaten", Kunststoff Handbuch 7, Polyurethane, (19830101), page 70, 84-85, 98-99, 390-411, XP093271697
OPPOSITION- D37: Notice of Opposition filed by Opponent 1 against EP 3 218 597 B1
OPPOSITION- D39: Notice of Opposition of Opponent 2 against EP 3 218 597 B1
OPPOSITION- D40: Opponent 2’s letter of 31 March 2021 in opposition against EP 3 218 597 B1
OPPOSITION- D42: Covestro Polyurethane Systems and Solutions
OPPOSITION- D43: Safety Data Sheet DesmodurR XP 2617
OPPOSITION- D44: DesmodurR XP 2617
OPPOSITION- D47: Preliminary Opinion from Board of Appeal in EP 3 218 597 B1
OPPOSITION- D48: Opponent 2’s response to Grounds of Appeal in EP 3 218 597 B1
OPPOSITION- D49: Opponent 2’s letter of 8 March 2023 in EP 3 218 597 B1
OPPOSITION- D50: Opponent 2’s letter of 2 October 2023 in EP 3 218 597 B1
OPPOSITION- D51: Interlocutory decision from Opposition Division of 21 September 2021 in EP 3 218 597 B1
OPPOSITION- Falbe Jürgen , Regitz Manfred, "Polyurethane", ROMPP CHEMIE LEXIKON, 9. Auflage, Band 5 PI-S, Georg Thieme Verlag Stuttgart • NewYork, (19950101), page 3575, XP093271624
OPPOSITION- Givens Rouzee E., "POLYURETHANE AS EROSION RESISTANT MATERIAL FOR HELICOPTER ROTOR BLADES", USAAML TECHNICAL REPORT 65-39, U. S. ARMY AVIATION MATERIEL LABORATORIES FORT EUSTIS, VIRGINIA, (19650501), pages 1 - 48, XP093271721
OPPOSITION- Legault, Michael R, "Wind blades: Progress and challenges", CW, (20131001), CW, URL: https://www.compositesworld.com/articles/wind-blades-progress-and-challenges, (20180430), XP055471551
OPPOSITION- Randall David, Steve Lee, "Cross-Linking agents", The Polyurethanes book, Wiley, (20020101), page 162-163, 284-299, XP093271713
OPPOSITION- Saunders J.H., Frisch K.C., "Polymer structure", POLYURETHANES, CHEMISTRY AND TECHNOLOGY, Part I. Chemistry, John Wiley & Sons, Inc., (19620101), pages 272 - 315, XP093271629
OPPOSITION- Woods George, "Types of Polyurethanes", The ICI Polyurethanes Book, John Wiley & Sons, (19870101), page 4-5, 182-185, XP093271704
OPPOSITION- Zhang Shizhong, "DTU Library Accelerated rain erosion of wind turbine blade coatings", Master Thesis, DTU Library, (20140101), pages 1 - 100, XP093271741
OPPOSITION- M H Keegan; D H Nash; M M Stack, "On erosion issues associated with the leading edge of wind turbine blades", Journal of Physics D: Applied Physics, Institute of Physics Publishing, Bristol, GB, Bristol, GB, (20130904), vol. 46, no. 38, doi:10.1088/0022-3727/46/38/383001, ISSN 0022-3727, page 383001, XP020250744

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