Defoaming Compositions Comprising Hydroxy Terminated Siloxanes And Methods Of Making And Using The Same - EP3240618

The patent EP3240618 was granted to Kemira OYJ on Apr 21, 2021. The application was originally filed on Dec 29, 2015 under application number EP15831224A. The patent is currently recorded with a legal status of "Revoked".

EP3240618

KEMIRA OYJ
Application Number
EP15831224A
Filing Date
Dec 29, 2015
Status
Revoked
Jul 4, 2025
Publication Date
Apr 21, 2021
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

EVONIK OPERATIONSJan 20, 2022EVONIK PATENT ASSOCIATIONADMISSIBLE

Patent Citations (11) New

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

Citation PhasePublication Number
DESCRIPTIONUS5152925
EXAMINATIONEP0163541
INTERNATIONAL-SEARCH-REPORTEP0887383
INTERNATIONAL-SEARCH-REPORTEP2508237
OPPOSITIONEP0127948
OPPOSITIONEP0142910
OPPOSITIONEP0163398
OPPOSITIONEP0329842
OPPOSITIONEP0887383
OPPOSITIONEP1561728
OPPOSITIONGB1436811

Non-Patent Literature (NPL) Citations (3) 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
DESCRIPTION- A. M. SCHWARTZ; J. W. PERRY, SURFACE ACTIVE AGENTS, (1949), vol. I
DESCRIPTION- SURFACE ACTIVE AGENTS AND DETERGENTS, INTERSCIENCE PUBLISHERS, (1958), vol. II
OPPOSITION- P. BOWEN, "Particle Size Distribution Measurement from Millimeters to Nanometers and from Rods to Platelets", JOURNAL OF DISPERSION SCIENCE AND TECHNOLOGY, (20020000), vol. 23, no. 5, doi:10.1081/DIS-120015368, pages 631 - 662, XP009102859

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