IP Verse

A Compound Comprising Plla And Pdla - EP2748256

The patent EP2748256 was granted to Purac Biochem on Jun 14, 2017. The application was originally filed on Oct 24, 2012 under application number EP12781485A. The patent is currently recorded with a legal status of "Revoked".

EP2748256

PURAC BIOCHEM
Application Number
EP12781485A
Filing Date
Oct 24, 2012
Status
Revoked
Jan 10, 2020
Grant Date
Jun 14, 2017
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

UHDE INVENTA FISCHERMar 13, 2018PFENNINGADMISSIBLE

Patent Citations (4) New

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

Citation PhasePublication NumberPublication Link
INTERNATIONAL-SEARCH-REPORTEP2116575
INTERNATIONAL-SEARCH-REPORTUS2008097074
OPPOSITIONJP2007131690
OPPOSITIONUS2008097074

Non-Patent Literature (NPL) Citations (13) 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- "chapter 7", YU LONG, Biodegradable Polymer Blends and Composites from Renewable Resources, (20090000), pages 165 - 185, XP055472579-
OPPOSITION- "High Impact Polylactide Composites", KELLY S. ANDERSON, Thesis submitted to the faculty of the graduate school of the university of Minnesota, (20041200), XP055472567-
OPPOSITION- PROCESSING OF Polylactic acid, PROCESSING OF Polylactic acid, RAFAEL AURAS et al., Poly(lactic acid) Syn- thesis, Structures Properties, Processing and Application, (20100000), pages 196 - 199, XP055472573-
OPPOSITION- YOSHITO IKADA et al., "Crystallization from the melt of poly(lactide)s with different optical purities and their blends", Macromol. Chem. Phys., (19960000), vol. 197, pages 3483 - 3499, XP055472626-
OPPOSITION- SCOTT C. SCHMIDT et al., Journal of Polymer Science : Part B: Polymer Physics, (20001221), vol. 39, pages 300 - 313, XP002462931
OPPOSITION- JUNICHI NARITA et al., "Highly Enhanced Nucleating Effect of Melt-Recrystallized Stereocomplex Crystallites on Poly(L-lactid acid) Crystalli- zation", Macromol. Mater. Eng., (20110517), vol. 296, pages 887 - 893, XP055472620
OPPOSITION- K. JAMSHIDI et al., "Thermal characterization of polylactides", Polymer, (19880000), vol. 29, pages 2229 - 2234, XP022813382
OPPOSITION- KELLY S. ANDERSON et al., "Melt preparation and nucleation efficiency of polylactide stereocomplex crystallites", Polymer, (20060207), vol. 47, pages 2030 - 2035, XP005326037
OPPOSITION- HIDETO TSUJI et al., "Isothermal and non-isothermal crystallization behavior of poly(L-lactic acid): Effects of stereocomplex as nucle- ating agent", Polymer, (20060318), vol. 47, pages 3826 - 3837, XP005459589
OPPOSITION- H. YAMANE et al., "Effect of the addition of poly(D-lactic acid) on the thermal property of poly(L-lactic acid", Polymer, (20030000), vol. 44, pages 2569 - 2575, XP004414567
OPPOSITION- S. BARATIAN et al., "Crystallization and Solid-State Structure of Random Polylactide Copolymers: Poly(L-lactide-co-D-lactide)s", Macromolecules, (20010000), vol. 34, pages 4857 - 4864, XP055296060
OPPOSITION- SYLVIE BROCHU et al., "Stereocomplexation and Morphology of Polylactides", Macromolecules, (19950000), vol. 28, pages 5230 - 5239, XP055472563
OPPOSITION- YOSHITO IKADA et al., "Stereocompex Formation between Enantiomeric (Polylactides", Macromole- cules, (19870000), vol. 20, pages 906 - 908, XP055338426

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