Polyolefin - EP3037441

The patent EP3037441 was granted to LG Chem on Nov 22, 2023. The application was originally filed on Sep 29, 2014 under application number EP14849825A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3037441

LG CHEM
Application Number
EP14849825A
Filing Date
Sep 29, 2014
Status
Granted And Under Opposition
Oct 20, 2023
Publication Date
Nov 22, 2023
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (2)

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

BOREALISAug 22, 2024MAIWALDADMISSIBLE
THE DOW CHEMICALAug 22, 2024BOULT WADE TENNANTADMISSIBLE

Patent Citations (27) New

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

Citation PhasePublication Number
DESCRIPTIONUS5064802
INTERNATIONAL-SEARCH-REPORTJP2003507538
INTERNATIONAL-SEARCH-REPORTKR20050088087
INTERNATIONAL-SEARCH-REPORTKR960010734B
INTERNATIONAL-SEARCH-REPORTUS4547551
OPPOSITIONCN101709124
OPPOSITIONCN102002189
OPPOSITIONEP2666799
OPPOSITIONEP2669304
OPPOSITIONEP2975043
OPPOSITIONKR20110109095
OPPOSITIONKR20130116760
OPPOSITIONKR20160061107
OPPOSITIONUS2007088129
OPPOSITIONUS2010113698
OPPOSITIONUS2010190878
OPPOSITIONUS7608668
OPPOSITIONWO2008136621
OPPOSITIONWO2012099443
OPPOSITIONWO2013142793
OPPOSITIONWO2013188950
OPPOSITIONWO2014074622
OPPOSITIONWO9744371
SEARCHKR20120038798
SEARCHKR20130051467
SEARCHUS2010121006
SEARCHUS6506866

Non-Patent Literature (NPL) Citations (10) 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- A J Peacock, "Chapter 5. Properties of Polyethylene", Handbook of polyethylene: Structure, Properties, and Applications, Marcel Dekker , (20000101), pages 123 - 237, ISBN 978-0-8247-9546-7, XP055475151
OPPOSITION- Anonymous, "ISO 16014-4 Plastics - Determination of average molecular mass and molecular mass distribution of polymers using sizeĀ­ exclusion chromatography - Part 4: High-temperature method", ISO Norm, CH, ISO, (20120701), pages 1 - 14, XP009557422
OPPOSITION- D17: Signed declaration of Andreas Albrecht, providing precision error for GPC-FTIR measurements
OPPOSITION- "ISO 16014-1:2003 Plastics - Determination of average molecular mass and molecular mass distribution of polymers using size-exclusion chromatography - Part 1: General principles", ISO 16014-1:2003, (20030315), XP009116664
OPPOSITION- Katja Klimke, Matthew Parkinson, Christian Piel, Walter Kaminsky, Hans Wolfgang Spiess, Manfred Wilhelm, "Optimisation and Application of Polyolefin Branch Quantification by Melt-State13C NMR Spectroscopy", Macromolecular Chemistry and Physics, WILEY-VCH VERLAG, WEINHEIM., DE, DE , (20060224), vol. 207, no. 4, doi:10.1002/macp.200500422, ISSN 1022-1352, pages 382 - 395, XP055276877
OPPOSITION- Matthew Parkinson, Katja Klimke, Hans Wolfgang Spiess, Manfred Wilhelm, "Effect of Branch Length on13C NMR Relaxation Properties in Molten Poly[ethylene-co-(α-olefin)] Model Systems", Macromolecular Chemistry and Physics, WILEY-VCH VERLAG, WEINHEIM., DE, DE , (20071024), vol. 208, no. 19–20, doi:10.1002/macp.200700209, ISSN 1022-1352, pages 2128 - 2133, XP055429311
OPPOSITION- DesLauriers, P.J. Rohlfing, D.C. Hsieh, E.T., "Quantifying short chain branching microstructures in ethylene 1-olefin copolymers using size exclusion chromatography and Fourier transform infrared spectroscopy (SEC-FTIR)", Polymer, ELSEVIER, AMSTERDAM, NL, AMSTERDAM, NL, (20020101), vol. 43, no. 1, doi:10.1016/S0032-3861(01)00574-2, ISSN 0032-3861, pages 159 - 170, XP004309106
OPPOSITION- Anonymous, "ASTM D6474-19 Standard Test Method for Determining Molecular Weight Distribution and Molecular Weight Averages of Polyolefins by High Temperature Gel Permeation Chromatography", ASTM D6474-19, doi:10.1520/D6474-19, (20191101), ASTM D6474-19, URL: https://www.astm.org/d6474-19.html, (20211012), XP055850198
SEARCH- DATABASE WPI, 0, Derwent World Patents Index, vol. 2013, no. 14, Database accession no. 2012-E99393, XP002767294 & KR20120038798 A 20120424 (LG CHEM LTD) [X] 1,4 * abstract * * examples 2,4 *
SEARCH- DATABASE WPI, 0, Derwent World Patents Index, vol. 2013, no. 81, Database accession no. 2013-K00199, XP002767295 & KR20130051467 A 20130520 (LG CHEM LTD) [X] 1,2,4 * abstract *

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