Method Of Preparing A Transparent Polymer Material Comprising A Thermoplastic Polycarbonate And Mineral Nanoparticles - EP2220146

The patent EP2220146 was granted to Essilor on Sep 5, 2018. The application was originally filed on Dec 9, 2008 under application number EP08865864A. The patent is currently recorded with a legal status of "Revoked".

EP2220146

ESSILOR
Application Number
EP08865864A
Filing Date
Dec 9, 2008
Status
Revoked
Aug 20, 2021
Grant Date
Sep 5, 2018
External Links
Slate, Register, Google Patents

Patent Summary

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OMYAJun 5, 2019MAIWALD -

Patent Citations (13) New

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

Citation PhasePublication NumberPublication Link
INTERNATIONAL-SEARCH-REPORTCN1631975
INTERNATIONAL-SEARCH-REPORTEP1217030
INTERNATIONAL-SEARCH-REPORTJP2006199850
INTERNATIONAL-SEARCH-REPORTTWI251603B
INTERNATIONAL-SEARCH-REPORTUS2006217478
INTERNATIONAL-SEARCH-REPORTUS2007042137
INTERNATIONAL-SEARCH-REPORTUS2007142535
INTERNATIONAL-SEARCH-REPORTWO2007043496
OPPOSITIONCN1095483C
OPPOSITIONJP2002020628
OPPOSITIONWO02081566
OPPOSITIONWO2004035680
OPPOSITIONWO2007039625

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- HARRY S. KATZ et al., "Principles of filler selection and use", Handbook of Fillers for Plastics, New York, (19870000), pages 53 - 54, XP055628419-
OPPOSITION- J. KARGER-KOCSIS et al., "13 Structure-Property Relationships in Nanoparticle/Semicrystalline Thermoplastic Composites", Mechanical Properties of Polymers based on Nanostructure and Morphology, (20050000), pages 553 - 558, 561-567, XP055628427-
OPPOSITION- "TIOXIDE® R-TC30", Huntsman, (20071000), page 4pp, XP055628430-
OPPOSITION- S. SINHA RAY et al., "Morphology and Properties of Organoclay Modified Polycarbonate/Poly(methyl methacrylate) Blend", Polymer Engineering and Science, (20060000), doi:10.1002/pen.20598, pages 1121 - 1129, XP002500130
OPPOSITION- M. TAIRA et al., "Refractive index of inorganic fillers in seven visible- light-cured dental composite resins", Journal of Materials Science Letters, (19940000), vol. 13, doi:10.1007/BF00680277, pages 68 - 69, XP001052736
OPPOSITION- CHANG LU et al., "Weld line morphology and strength of polystyrene/polyamide-6/poly(styrene-co-maleic anhydride) blends", European Polymer Journal, (20040000), vol. 40, doi:10.1016/j.eurpolymj.2004.06.016, pages 2565 - 2572, XP004582877
OPPOSITION- J. JORDAN et al., "Experimental trends in polymer nanocomposites - a review", Materials Science and Engineering: A,, (20050000), vol. 393, doi:10.1016/j.msea.2004.09.044, pages 1 - 11, XP025303923
OPPOSITION- MAYU SI et al., "Compatibilizing Bulk Polymer Blends by Using Organoclays", Macromolecules, (20060000), vol. 39, pages 4793 - 4801, XP055628433
OPPOSITION- QIFANG LI et al., "Compatibility and thermal properties of poly(acrylonitrile-butadiene-styrene) copolymer blends with poly(methyl methacrylate) and poly(styrene-co-acrylonitrile", Journal of Applied Polymer Science, (20020923), vol. 85, no. 13, pages 2652 - 2660, XP055628471

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