IP Verse

Process And Plant For The Synthesis Of Urea And Melamine - EP3137448

The patent EP3137448 was granted to Casale on Feb 23, 2022. The application was originally filed on Apr 16, 2015 under application number EP15719993A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP3137448

CASALE
Application Number
EP15719993A
Filing Date
Apr 16, 2015
Status
Patent Maintained As Amended
Jan 21, 2022
Grant Date
Feb 23, 2022
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (3)

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

EUROTECNICA CONTRACTORS AND ENGINEERSJul 17, 2019DE GREGORIADMISSIBLE
STAMICARBONJul 17, 2019VOADMISSIBLE
SAIPEMJul 15, 2019CERNUZZIADMISSIBLE

Patent Citations (6) New

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

Citation PhasePublication NumberPublication Link
INTERNATIONAL-SEARCH-REPORTEP1449827
INTERNATIONAL-SEARCH-REPORTWO9808808
OPPOSITIONEP0923541
OPPOSITIONEP1449827
OPPOSITIONUS7094927
OPPOSITIONWO9808808

Non-Patent Literature (NPL) Citations (9) 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- A. SCOTTO, "Urea Casale technologies for urea plant revamping", Modern state, prospects of development modernization and revamping of Urea production and products on its basis - 2009 Novomoskovsk, Russia (D5)., (20090407), XP055625980-
OPPOSITION- F. ZARDI, "Integration of urea and Melamine plants Casale Experience", GazChem 2007, (20070017), pages 87 - 102, XP055625909-
OPPOSITION- F. ZARDI, "Integration of Urea and Melamine Plants Casale Experience", GazChem 2007, (20070600), pages 87 - 102, XP055625909-
OPPOSITION- F. ZARDI, "Integration of Urea and Melamine Plants", GazChem, (20070617), pages 87 - 102, XP055625909-
OPPOSITION- George M. Crews et al., "Melamine and Guanamines", Ullmann's Encyclopaedia of Industrial Chemistry, 6th ed., Wiley-VCH, (20030000), pages 205 - 221, XP055638384-
OPPOSITION- S. JEZYK et al., "Utilization of Melamine Plant Waste Ammonium Carbamate Solutions in Urea Units", Nitrogen 2003, (20030223), pages 101 - 110, XP055625937-
OPPOSITION- S. JEZYK et al., "Utilization of Melamine Plant Waste Ammonium Carbamate Solutions in Urea Units", Nitrogen, WARSAW POLAND, (20030000), pages 101 - 110, XP055625937-
OPPOSITION- "Urea-melamine plant integration", Nitrogen+Syngas, (20130100), vol. 321, pages 44-46, 48 - 50, 52-54, XP001581847-
OPPOSITION- Jozef H Meessen, "Urea", Ullmann's Encyclopedia, (20100000), pages 1 - 39, XP055561014

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