Aqueous Dispersion For Activating A Metal Surface, And Method For The Phosphatisation Thereof - EP3802915

The patent EP3802915 was granted to Henkel on Nov 20, 2024. The application was originally filed on Jun 7, 2019 under application number EP19728707A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3802915

HENKEL
Application Number
EP19728707A
Filing Date
Jun 7, 2019
Status
Granted And Under Opposition
Oct 18, 2024
Grant Date
Nov 20, 2024
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.

CompanyOpposition DateRepresentativeOpposition Status

Get instant alerts for new oppositions and patent status changes

CHEMETALLAug 14, 2025STEFFAN & KIEHNE PATENTANWALTE PARTG MBBADMISSIBLE

Patent Citations (13) New

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

Citation PhasePublication NumberPublication Link
DESCRIPTIONWO9839498
INTERNATIONAL-SEARCH-REPORTEP1378586
INTERNATIONAL-SEARCH-REPORTEP1566466
INTERNATIONAL-SEARCH-REPORTUS2015064445
OPPOSITIONEP1378586
OPPOSITIONEP1566466
OPPOSITIONEP4410564
OPPOSITIONUS2003125393
OPPOSITIONUS2015064445
OPPOSITIONWO2017162475
OPPOSITIONWO2017189627
OPPOSITIONWO2018192709
OPPOSITIONWO2023052213

Non-Patent Literature (NPL) Citations (5) New

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

Citation PhaseReference TextLink
OPPOSITION- Anonymous, "DISPERBYK-190 - VOC-und lösemittelfreies Netz-und Dispergieradditiv für wässrige Lacksysteme, Druckfarben und Klebstoffe. Standardadditiv für bindemittelfreie Pigmentkonzentrate. Für alle Pigmente geeignet. - Produktdaten", BYK, (20240201), BYK, URL: https://www.byk.com/de/produkte/additive-guide/disperbyk-190, XP093230789-
OPPOSITION- Anonymous, "POLYVALENT", Cambridge Dictionary, (20250825), pages 1 - 6, Cambridge Dictionary, URL: https://dictionary.cambridge.org/dictionary/english/polyvalent, XP093307574-
OPPOSITION- Anonymous, "Technical datasheet DISPERBYK® -190", Technical datasheet, BYK-Chemie GmbH, (20240207), pages 1 - 2, Technical datasheet, URL: https://www.specialchem.com/adhesives/product/byk-disperbyk-190?F-marketapplicationsnames_sm_search=byk-disperbyk-190, XP093307580-
OPPOSITION- Thomas Brock; Michael Groteklaes; Peter Mischke, "2.4.3 Rheologieadditive", Lehrbuch der Lacktechnologie, Vincentz Network, (20000101), pages 176 - 179, ISBN 3-87870-569-7, XP009560454-
OPPOSITION- Douglas N. Smith, Detlef van Peij, "85 Polyurethane Associative Thickeners for Waterborne Coatings", Douglas N. Smith, Detlef van Peij, Arthur A. Tracton, Coatings Technology Handbook, Boca Raton, Taylor & Francis Group, LLC, (20060101), pages 85 - 85-8, doi:10.1201/9781420027327, ISBN 1-57444-649-5, XP009562679

Download Citation Report

Get a free citation report including examiner, opposition, and international search citations.

Get Citation Report

Dossier Documents

The dossier documents provide a comprehensive record of the patent’s prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent’s legal journey and any challenges it may have faced during examination.

  • Date

    Description

  • Get instant alerts for new documents