IP Verse

Method For Preparation Of N-Carboxyanhydrides - EP3810579

The patent EP3810579 was granted to Lonza on Apr 17, 2024. The application was originally filed on Sep 26, 2019 under application number EP19783452A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP3810579

LONZA
Application Number
EP19783452A
Filing Date
Sep 26, 2019
Status
Patent Maintained As Amended
Mar 15, 2024
Grant Date
Apr 17, 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

REGIMBEAUJun 8, 2022REGIMBEAUADMISSIBLE

Patent Citations (12) New

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

Citation PhasePublication NumberPublication Link
DESCRIPTIONUS2002082431
DESCRIPTIONWO2006047703
INTERNATIONAL-SEARCH-REPORTUS2002082431
INTERNATIONAL-SEARCH-REPORTUS2008274173
INTERNATIONAL-SEARCH-REPORTUS2013280306
INTERNATIONAL-SEARCH-REPORTUS2600596
INTERNATIONAL-SEARCH-REPORTWO2006027788
INTERNATIONAL-SEARCH-REPORTWO2006047703
OPPOSITIONEP1201659
OPPOSITIONEP1262480
OPPOSITIONEP1283204
OPPOSITIONWO2006047703

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- Anonymous, "Triphosgène", (20230602), pages 1 - 3, Wikipedia, URL: https://fr.wikipedia.org/w/index.php?title=Triphosg%25C3%25A8ne&oldid=204826361, (20231121), XP093103954-
OPPOSITION- Kowtoniuk Robert A., Pei Tao, Deangelo Caitlin M., Waldman Jacob H., Guidry Erin N., Williams J. Michael, Garbaccio Robert M., Barrett Stephanie E., "Optimization of an α-(Amino acid)- N -carboxyanhydride polymerization using the high vacuum technique: Examining the effects of monomer concentration, polymerization kinetics, polymer molecular weight, and monomer purity", Journal of Polymer Science Part A: Polymer Chemistry, (20140305), vol. 52, no. 10, pages 1385 - 1391-
OPPOSITION- Palanisamy Anbazhagan, Albright Victoria, Sukhishvili Svetlana A., "Upper Critical Solution Temperature Layer-by-Layer Films of Polyamino acid-Based Micelles with Rapid, On-Demand Release Capability", Chem. Mater., (20171009), vol. 29, no. 21, pages 9084 - 9094-
OPPOSITION- Pei Tao, Liao Jing, Williams J. Michael, Xiang Rong, Garbaccio Robert M., Barrett Stephanie E., Guidry Erin N., "Size controlled synthesis of ornithine-based polypeptides by ring-opening polymerization of alpha-(amino acid)-N-carboxyanhydrides", J. Polym. Sci. Part A: Polym. Chem., (20151013), vol. 54, no. 3, pages 311 - 315-
OPPOSITION- Heiner Eckert,. Barbara Forster, "Triphosgene, a Crystalline Phosgene Sustitute", Angewandte Chemie International Edition, Hoboken, USA, (19870101), vol. 26, no. 9, doi:10.1002/anie.198708941, ISSN 1433-7851, pages 894 - 895, XP002083416
OPPOSITION- Kowtoniuk Robert A., Pei Tao, Deangelo Caitlin M., Waldman Jacob H., Guidry Erin N., Williams J. Michael, Garbaccio Robert M., Barrett Stephanie E., "Optimization of an α-(Amino acid)- N -carboxyanhydride polymerization using the high vacuum technique: Examining the effects of monomer concentration, polymerization kinetics, polymer molecular weight, and monomer purity", Journal of Polymer Science Part A: Polymer Chemistry, (20140305), vol. 52, no. 10, pages 1385 - 1391, XP055933438
OPPOSITION- Pei Tao, Liao Jing, Williams J. Michael, Xiang Rong, Garbaccio Robert M., Barrett Stephanie E., Guidry Erin N., "Size controlled synthesis of ornithine-based polypeptides by ring-opening polymerization of alpha-(amino acid)-N-carboxyanhydrides", J. Polym. Sci. Part A: Polym. Chem., (20151013), vol. 54, no. 3, pages 311 - 315, XP055933434
OPPOSITION- Papadakis Emmanouil; Tula Anjan K; Gani Rafiqul, "Solvent selection methodology for pharmaceutical processes: solvent swap", Chemical Engineering Research and Design, (20160930), vol. 115, pages 443 - 461, XP029795091
OPPOSITION- Palanisamy Anbazhagan, Albright Victoria, Sukhishvili Svetlana A., "Upper Critical Solution Temperature Layer-by-Layer Films of Polyamino acid-Based Micelles with Rapid, On-Demand Release Capability", Chem. Mater., (20171009), vol. 29, no. 21, pages 9084 - 9094, XP055933150

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