IP Verse

Stabilization Of A Hydroformylation Process - EP1776328

The patent EP1776328 was granted to DOW Technology Investments on Mar 26, 2025. The application was originally filed on Jul 19, 2005 under application number EP05778978A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP1776328

DOW TECHNOLOGY INVESTMENTS
Application Number
EP05778978A
Filing Date
Jul 19, 2005
Status
Patent Maintained As Amended
Feb 21, 2025
Grant Date
Mar 26, 2025
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

EVONIK OPERATIONSJan 18, 2019EISENFUHR SPEISERADMISSIBLE
OQ CHEMICALSJan 17, 2019MICHALSKI HUTTERMANN & PARTNER PATENTANWALTE MBBADMISSIBLE

Patent Citations (17) New

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

Citation PhasePublication NumberPublication Link
INTERNATIONAL-SEARCH-REPORTEP0589463
OPPOSITIONEP0589463
OPPOSITIONJP2000143572
OPPOSITIONUS4148830
OPPOSITIONUS4528404
OPPOSITIONUS4668651
OPPOSITIONUS4723036
OPPOSITIONUS4774361
OPPOSITIONUS4808756
OPPOSITIONUS4960949
OPPOSITIONUS5288918
OPPOSITIONUS5763679
OPPOSITIONUS5773666
OPPOSITIONWO9720801
OPPOSITIONWO9740000
OTHEREP0589463
OTHERWO9720801

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- BOY CORNIS et al., "1.2 Carbon Monoxide and Synthesis Gas Chemistry", Applied Homogeneous Catalysis with Organometallic Compounds; Vol. 1: Applications, pages 50 - 60-
OPPOSITION- BOY CORNIS et al., "1.2 Carbon Monoxide and Synthesis Gas Chemistry", Applied Homogeneous Catalysis with Organometallic Compounds; Vol. 1: Applications, pages 50 - 60, XP055255538-
OPPOSITION- Cavalieri d'Oro, P et al, La Chimica e I'industria, vol 62, no 7-8(1980), p. 572-579-
OPPOSITION- "Chapter 4 Phosphines as ligands", van Leeuwen et al., Rhodium Catalyzed Hydroformylation, Phosphines as ligands, (2000), pages 63 - 105-
OPPOSITION- "Chapter 4 Phosphines as ligands", van Leeuwen et al., Rhodium Catalyzed Hydroformylation, Phosphines as ligands, (2000), pages 63 - 105, XP002516231-
OPPOSITION- KLAUS WEISSERMEL et al., "6 Synthesen mit Kohlenmonoxid", Industrielle Organische Chemie, pages 2pp, 138 - 139-
OPPOSITION- KLAUS WEISSERMEL et al., "6 Synthesen mit Kohlenmonoxid", Industrielle Organische Chemie, pages 2pp, 138 - 139, XP055255542-
OPPOSITION- van Rooy et al., "Bulky Diphosphite-Modified Rhodium Catalysts: Hydroformylation and Characterization", Organometallics, (1996), page 2pp, URL: http://pubs.acs.org/doi/abs/10.1021/om950549k, (20171211), XP055609743
OPPOSITION- van Rooy et al., "Bulky Diphosphite-Modified Rhodium Catalysts: Hydroformylation and Characterization", Organometallics, doi:10.1021/om950549k, (1996), page 2pp, URL: http://pubs.acs.org/doi/abs/10.1021/om950549k, (20171211), XP055609743

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