Urea Production With Bi-Pressurized Synthesis - EP3436430

The patent EP3436430 was granted to Stamicarbon on Sep 16, 2020. The application was originally filed on Mar 30, 2017 under application number EP17718144A. The patent is currently recorded with a legal status of "Opposition Rejected".

EP3436430

STAMICARBON
Application Number
EP17718144A
Filing Date
Mar 30, 2017
Status
Opposition Rejected
Jan 13, 2023
Publication Date
Sep 16, 2020
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

CASALEJun 14, 2021M ZARDIADMISSIBLE

Patent Citations (11) New

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

Citation PhasePublication Number
DESCRIPTIONEP1491526
DESCRIPTIONEP2086928
DESCRIPTIONGB1542371
DESCRIPTIONWO02090323
DESCRIPTIONWO2013104638
INTERNATIONAL-SEARCH-REPORTEP1491526
INTERNATIONAL-SEARCH-REPORTWO2013104638
OPPOSITIONEP1491526
OPPOSITIONJPH08325221
OPPOSITIONWO2009141346
OPPOSITIONWO2013104638

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 Text
DESCRIPTION- Ullmann's Encyclopedia of Industrial Chemistry, (1996), vol. A27, pages 333 - 350
INTERNATIONAL-SEARCH-REPORT- Jozef H. Meessen, "Urea", Ullmann's Encyclopedia of Industrial Chemistry, Weinheim, Germany, Wiley-VCH Verlag GmbH & Co. KGaA, (20101015), doi:10.1002/14356007.a27_333.pub2, ISBN 978-3-52-730673-2, XP055017973 [A] 1-17 * the whole document *
OPPOSITION- Meessen Jozef H, "Urea", Ullmann's Encyclopedia of Industrial Chemistry, Wiley-VCH Verlag, (20120000), vol. 37, pages 657 - 695, XP055779807
OPPOSITION- R. ANDERZHANOV, "Novel large scale energy efficient technology", International Conference & Conference Nitrogen+Syngas 2012, (20120220), pages 117 - 122, XP055819514

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