Process For Separation Of Gases With Reduced Maintenance Costs - EP3240620

The patent EP3240620 was granted to Evonik Fibres on May 5, 2021. The application was originally filed on Dec 22, 2015 under application number EP15817339A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3240620

EVONIK FIBRES
Application Number
EP15817339A
Filing Date
Dec 22, 2015
Status
Granted And Under Opposition
Apr 3, 2021
Grant Date
May 5, 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

AIR PRODUCTS AND CHEMICALSFeb 4, 2022BECK GREENERADMISSIBLE

Patent Citations (11) New

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

Citation PhasePublication NumberPublication Link
INTERNATIONAL-SEARCH-REPORTEP0799634
INTERNATIONAL-SEARCH-REPORTEP2735355
INTERNATIONAL-SEARCH-REPORTJP2009242773
INTERNATIONAL-SEARCH-REPORTKR20140005846
INTERNATIONAL-SEARCH-REPORTUS6565626
INTERNATIONAL-SEARCH-REPORTWO0033949
INTERNATIONAL-SEARCH-REPORTWO2012000727
INTERNATIONAL-SEARCH-REPORTWO2014075850
INTERNATIONAL-SEARCH-REPORTWO2014183977
OPPOSITIONUS2013098242
OPPOSITIONUS6565626

Non-Patent Literature (NPL) Citations (4) 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- Davis, Richard A., Sandall, Orville C., "A Simple Analysis For GAS SEPARATION MEMBRANE EXPERIMENTS", Membranes in ChE Education, (2003), pages 74 - 80, XP055895149-
OPPOSITION- D.E. GOTTSCHLICH et al., "Economic comparison of several membrane configurations for H2/N2 separation", Gas Separation & Purification, (19891200), vol. 3, pages 170 - 179, XP055895243-
OPPOSITION- M. SCHOLZ et al., "Structural optimization of membrane-based biogas upgrading processes", Journal of Membrane Science, (20150000), vol. 474, pages 1 - 10, XP055895144
OPPOSITION- R. QI, M.A. HENSON, "Optimization-based design of spiral-wound membrane systems for CO2/ CH 4 separations", Separation and Purification Technology, (19980000), vol. 13, pages 209 - 225, XP055895151

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