Biodegradable Polyester Composition - EP3260498

The patent EP3260498 was granted to Kingfa SCI & Tech on Sep 18, 2019. The application was originally filed on Feb 24, 2017 under application number EP17762460A. The patent is currently recorded with a legal status of "Revoked".

EP3260498

KINGFA SCI & TECH
Application Number
EP17762460A
Filing Date
Feb 24, 2017
Status
Revoked
Apr 20, 2024
Publication Date
Sep 18, 2019
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (2)

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NOVAMONTJun 18, 2020MAIWALDADMISSIBLE
BASFJun 16, 2020MEISSNER BOLTE PARTNERSCHAFT MBBADMISSIBLE

Patent Citations (23) New

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

Citation PhasePublication Number
DESCRIPTIONCN101622311
DESCRIPTIONCN103687902
DESCRIPTIONWO2009071475
INTERNATIONAL-SEARCH-REPORTCN102639594
INTERNATIONAL-SEARCH-REPORTCN104479304
INTERNATIONAL-SEARCH-REPORTCN104744898
INTERNATIONAL-SEARCH-REPORTCN105585827
INTERNATIONAL-SEARCH-REPORTJPS6067550
OPPOSITIONCN101864068
OPPOSITIONCN103044226
OPPOSITIONCN105195063
OPPOSITIONCN1284761C
OPPOSITIONDE19528539
OPPOSITIONEP3214108
OPPOSITIONEP3260496
OPPOSITIONEP3260497
OPPOSITIONUS2004019178
OPPOSITIONWO2011054896
OPPOSITIONWO2012152820
OPPOSITIONWO2014075998
SEARCHJP2014156539
SEARCHUS2005154114
SEARCHUS2012288650

Non-Patent Literature (NPL) Citations (7) 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, "Cyclopentanon", wikipedia, (20200611), pages 1 - 3, wikipedia, URL: https://de.wikipedia.org/wiki/Cyclopentanon, (20201214), XP055759589
OPPOSITION- Anonymous, "TETRAHYDROFURAN", THF, (19990601), pages 1 - 2, THF, URL: https://cameochemicals.noaa.gov, (20191122), XP055645827
OPPOSITION- Dr. Dennis Bankmann, Dr. Jorg Feesche, Dr. Matthias Frischmann, "Cyclic Esters as NIAS in Adhesives and Coatings", Henkel AG & Co. KGaA, (201802), pages 10 - 10, XP055712273
OPPOSITION- Jan Devroede, Robbert Duchateau, Cor E. Koning, "The synthesis of poly(butylene terephthalate) from terephthalic acid, part II: Assessment of the first stage of the polymerization process", Journal of Applied Polymer Science, John Wiley & Sons, Inc., US, US, (20091115), vol. 114, no. 4, doi:10.1002/app.30781, ISSN 0021-8995, pages 2427 - 2434, XP055759619
OPPOSITION- Nan Zhang, "Migration studies and chemical characterization of low molecular weight cyclic polyester oligomers from food packaging lamination adhesives", Packaging Technology and Science, (20180000), vol. 31, pages 197 - 211, XP055712267
OPPOSITION- Elena Canellas, Paula Vera, Cristina Nerín, "UPLC-ESI-Q-TOF-MSE and GC-MS identification and quantification of non-intentionally added substances coming from biodegradable food packaging", Analytical and Bioanalytical Chemistry, Springer Berlin Heidelberg, DE, DE, (20150901), vol. 407, no. 22, doi:10.1007/s00216-015-8848-2, ISSN 1618-2642, pages 6781 - 6790, XP055759585
SEARCH- DATABASE WPI, 0, Derwent World Patents Index, vol. 2014, no. 58, Database accession no. 2014-Q08337, XP002786406 & JP2014156539 A 20140828 (MITSUBISHI CHEM CO LTD) [A] 1-10 * abstract *

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Dossier Documents

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