Method For Cleaning A Polymerisation Reactor - EP3784702

The patent EP3784702 was granted to Wacker Chemie on Oct 2, 2024. The application was originally filed on May 10, 2019 under application number EP19723779A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP3784702

WACKER CHEMIE
Application Number
EP19723779A
Filing Date
May 10, 2019
Status
Patent Maintained As Amended
Aug 30, 2024
Grant Date
Oct 2, 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

CELANESEOct 5, 2022SIMMONS & SIMMONS MUNICHWITHDRAWN

Patent Citations (24) New

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

Citation PhasePublication NumberPublication Link
DESCRIPTIONEP0057433
DESCRIPTIONEP0152115
DESCRIPTIONEP0248681
DESCRIPTIONEP0633061
DESCRIPTIONEP1230019
DESCRIPTIONEP2658644
DESCRIPTIONEP2689838
DESCRIPTIONEP3256497
DESCRIPTIONEP3351612
DESCRIPTIONUS2006130870
DESCRIPTIONUS4038473
DESCRIPTIONUS4904309
DESCRIPTIONUS6274690
DESCRIPTIONWO9829186
INTERNATIONAL-SEARCH-REPORTDE19856590
INTERNATIONAL-SEARCH-REPORTUS5064917
OPPOSITIONDE10126560
OPPOSITIONEP0057433
OPPOSITIONEP0248681
OPPOSITIONEP0924229
OPPOSITIONEP1579050
OPPOSITIONUS5633334
OPPOSITIONUS6722377
OPPOSITIONUS8193104

Non-Patent Literature (NPL) Citations (11) 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, "AEROTEX® NMA Monomer 48% TECHNICAL DATASHEET INTRODUCTION", allnex, (20180101), allnex , (20221025), XP055974428-
OPPOSITION- Anonymous, "Plastics - polymer dispersions - Determination of sieve residue (gross particle and coagulum content ISO 4576:1996", Deutsche norm, (20010301), Deutsche norm , (20221025), XP055974434-
OPPOSITION- Anonymous, "polyacryl-und polymethacryl- verbindungen ", Ullmanns Encyklopädie der technischen Chemie, (19810101), page 18, XP055974414-
OPPOSITION- Anonymous, "Technical Data Sheet VeoVa™ 10 Monomer", Hexion, (20160901), Hexion , (20221025), XP055974432-
OPPOSITION- Anonymous, "ThermallTransitionssoffHomopolymers:GlasssTransitionn&&MeltinggPoint", polymer products from aldrich, (20130101), pages 52 - 53, polymer products from aldrich , (20221025), XP055974425-
OPPOSITION- "K type GOHSENOL", Gohsenol?, URL: www.gohsenol.com/doc_e/gnrl/gnrl_01/gnrl_05.shtml-
OPPOSITION- M.K. LINDEMANN, "Vinyl Acetate Copolymers", Encyclopedia of Polymer Science and Technology, (19710000), vol. 15, pages 577 - 677, XP055974409-
OPPOSITION- K.S. Lee, "Iterative learning control of heat-up phase for a batch polymerization reactor", JOURNAL OF PROCESS CONTROL, OXFORD, GB, GB , (19960801), vol. 6, no. 4, doi:10.1016/0959-1524(96)00048-0, ISSN 0959-1524, pages 255 - 262, XP093155885
OPPOSITION- J. W. Vanderhoff, "The Formation of Coagulum in Emulsion Polymerization", Emulsion Polymers and Emulsion Polymerization, WASHINGTON, D. C. , AMERICAN CHEMICAL SOCIETY , (19811007), vol. 165, pages 199 - 208, doi:10.1021/bk-1981-0165.ch011, ISBN 978-0-8412-0841-4, XP055472998
OPPOSITION- Dazi Li, "Active Disturbance Rejection-Based High-Precision Temperature Control of a Semibatch Emulsion Polymerization Reactor", Industrial & Engineering Chemistry Research, American Chemical Society, (20140226), vol. 53, no. 8, doi:10.1021/ie402544n, ISSN 0888-5885, pages 3210 - 3221, XP093155880
OPPOSITION- E. Zondervan, "Production Scheduling of an Emulsion Polymerization Process", CHEMICAL ENGINEERING TRANSACTIONS, AIDIC, IT, IT , (20130101), vol. 32, doi:10.3303/CET1332197, ISSN 1974-9791, pages 1177 - 1182, XP093155881

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