IP Verse

Cellulose Acetate And Cellulose Acetate Composition - EP4026851

The patent EP4026851 was granted to Daicel on Dec 13, 2023. The application was originally filed on Oct 21, 2020 under application number EP20955471A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP4026851

DAICEL
Application Number
EP20955471A
Filing Date
Oct 21, 2020
Status
Granted And Under Opposition
Nov 10, 2023
Grant Date
Dec 13, 2023
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (2)

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CompanyOpposition DateRepresentativeOpposition Status

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CERDIASep 13, 2024MEISSNER BOLTE PARTNERSCHAFT MBBADMISSIBLE
ACETATESep 10, 2024SIMMONS & SIMMONS MUNICHADMISSIBLE

Patent Citations (19) New

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

Citation PhasePublication NumberPublication Link
DESCRIPTIONJP2002265501
DESCRIPTIONJP2015224256
DESCRIPTIONJP2018500416
INTERNATIONAL-SEARCH-REPORTCN102585297
INTERNATIONAL-SEARCH-REPORTJP2002030182
INTERNATIONAL-SEARCH-REPORTJP2018024803
INTERNATIONAL-SEARCH-REPORTJP2018500416
INTERNATIONAL-SEARCH-REPORTJP2020515682
INTERNATIONAL-SEARCH-REPORTWO2019198307
INTERNATIONAL-SEARCH-REPORTWO2020035964
OPPOSITIONJP2009019123
OPPOSITIONJP2015224256
OPPOSITIONUS2020017647
OPPOSITIONUS5720803
SEARCHCN102585297
SEARCHEP3031847
SEARCHJP2002030182
SEARCHJP2002265501
SEARCHJP2015224256

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 TextLink
OPPOSITION- Anonymous, "EASTMANTM CA Cellulose Acetate, Sustained-Release", EASTMANTM CA Cellulose Acetate, Sustained-Release, (20160223), pages 1 - 1, EASTMANTM CA Cellulose Acetate, Sustained-Release, URL: http://www.parmentier.de/elo/gpf/ca-product-information-sheet.pdf, XP093209121-
OPPOSITION- Anonymous, "Standard Test Method for Determining Aerobic Biodegradation of Plastic Materials in the Marine Environment by a Defined Microbial Consortium ASTM D6691-01", ASTM D6691-01, (20101031), pages 1 - 4, ASTM D6691-01, URL: https://compass.astm.org/document/?contentCode=ASTM%7CD6691-01%7Cen-US&proxycl=https%3A%2F%2Fsecure.astm.org&fromLogin=true, XP093209160-
OPPOSITION- Anonymous, "Standard Test Method for Determining Aerobic Biodegradation of Plastic Materials in the Marine Environment by a Defined Microbial Consortium or Natural Sea Water Inoculum ASTM D6691-17", ASTM D6691-17, (20180101), pages 1 - 5, XP093209222-
OPPOSITION- Anonymous, "Sucrose octabenzoate | C68H54O19 | CID 25113553 - PubChem", NIH national Library of Medicine, (20090115), pages 1 - 28, NIH national Library of Medicine, URL: https://pubchem.ncbi.nlm.nih.gov/compound/Sucrose-octabenzoate, XP093209230-
OPPOSITION- Anonymous, "Sucrose Octabenzoate Safety Data Sheet", Glentham Life Sciences, (20230405), pages 1 - 6, Glentham Life Sciences, URL: https://www.glentham.com/en/products/product/GC5454/sds/, XP093209233-
OPPOSITION- Hölter Dirk, Lapersonne Philippe, "New Aspects of Cellulose Acetate Biodegradation", coresta sspt, (20170101), pages 1 - 19, coresta sspt, URL: https://www.coresta.org/sites/default/files/abstracts/2017_ST13_Holter.pdf, XP093209124-
OPPOSITION- Anonymous, "Standard Test Method for Determining Aerobic Biodegradation of Plastic Materials in the Marine Environment by a Defined Microbial Consortium or Natural Sea Water Inoculum ASTM DD6691-24A", ASTM DD6691-24A, ASTM International, (20240401), doi:10.1520/D6691-24A, pages 1 - 5, XP093209226

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Dossier Documents

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