Hydroxymethylphosphonate, Polyurethane Foam-Forming Compositions, Polyurethane Foam And Articles Made Therefrom - EP3553068

The patent EP3553068 was granted to ICL America on Apr 28, 2021. The application was originally filed on Sep 12, 2013 under application number EP19177883A. The patent is currently recorded with a legal status of "Revoked".

EP3553068

ICL AMERICA
Application Number
EP19177883A
Filing Date
Sep 12, 2013
Status
Revoked
Feb 9, 2024
Publication Date
Apr 28, 2021
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

LANXESS DEUTSCHLANDJan 27, 2022UEHLINADMISSIBLE

Patent Citations (7) New

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

Citation PhasePublication Number
OPPOSITIONDE19750002
OPPOSITIONEP0511826
OPPOSITIONEP0908464
OPPOSITIONUS2010160468
OPPOSITIONUS3780146
OPPOSITIONUS3970729
SEARCHUS2010160468

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
OPPOSITION- Anonymous, "DIETHYL [(2-TETRAHYDROPYRANYLOXY)METHYL]PHOSPHONATE", Organic Syntheses, (19860101), page 80, Organic Syntheses, URL: http://www.orgsyn.org/Content/pdfs/procedures/CV7P0160.pdf, (20220224), XP055895359
OPPOSITION- C. G. Overberger, E. Sarlo, "The Preparation of Diethylphosphonoalkyl Acrylates", J. Org. Chem., (19611101), vol. 26, no. 11, pages 4711 - 4712, XP055895371
OPPOSITION- Kluge Arthur F., Cloudsdale Ian S., "Phosphonate reagents for the synthesis of enol ethers and one-carbon homologation to aldehydes", The Journal of Organic Chemistry, American Chemical Society, (19791201), vol. 44, no. 26, doi:10.1021/jo00394a022, ISSN 0022-3263, pages 4847 - 4852, XP055895366
OPPOSITION- JEANMAIRE T, HERVAUD Y, BOUTEVIN B, "SYNTHESIS OF DIALKYL-HYDROXYMETHYLPHOSPHONATES IN HETEROGENEOUS CONDITIONS", Phosphorus, Sulfur, and Silicon and the Related Elements, (20020101), vol. 177, doi:10.1080/10426500211718, ISSN 1042-6507, pages 1137 - 1145, XP009038090

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