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Polyurethane Rigid Foam, Method For Producing Same, And Use Thereof - EP3548533

The patent EP3548533 was granted to Covestro on Oct 5, 2022. The application was originally filed on Nov 24, 2017 under application number EP17807812A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3548533

COVESTRO
Application Number
EP17807812A
Filing Date
Nov 24, 2017
Status
Granted And Under Opposition
Sep 2, 2022
Grant Date
Oct 5, 2022
External Links
Slate, Register, Google Patents

Patent Summary

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Patent Family

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BASFJul 5, 2023BASF ASSOCIATIONADMISSIBLE

Patent Citations (13) New

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

Citation PhasePublication Number
DESCRIPTIONEP2046861
DESCRIPTIONEP2148156
DESCRIPTIONEP2844394
DESCRIPTIONUS2012264842
DESCRIPTIONWO2006037540
INTERNATIONAL-SEARCH-REPORTDE102004048728
INTERNATIONAL-SEARCH-REPORTUS2012264842
OPPOSITIONCN104151523
OPPOSITIONCN104672420
OPPOSITIONDE102004048728
OPPOSITIONEP2111423
OPPOSITIONEP2844394
OPPOSITIONWO2007058793

Non-Patent Literature (NPL) Citations (4) 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, "Safety Data Sheet Tegastab B 8462", Safety Data Sheet Tegastab B 8462, Evonik, Safety Data Sheet Tegastab B 8462, URL: https://www.pu-additives.com/en/brands, XP009551849
OPPOSITION- Anonymous, "WANNATE® PM-400", Technical DataSheet, Wanhua Chemical, (20190418), pages 1 - 1, Technical DataSheet, URL: https://polymer-additives.specialchem.com/product/m-wanhua-wannate-pm-400, (20240206), XP093128080
OPPOSITION- Schauerte, K.; Sundermann, R., "3.2 Isocyanate", Polyurethane Kunststoff Handbuch, DE, Karl Hanser Verlag, (19930101), pages 76 - 86, ISBN 3-446-16263-1, XP009551845
OPPOSITION- Verrey-Kalaidjian Fabienne, Joyce Sun , "Momentive Performance Materials Introduces New Technologies For Improved Polyurethane Foam Performance and Production", Momentive - News and press releases, Momentive Performance Materials Holdings Inc., (20110908), pages 1 - 4, Momentive - News and press releases, URL: https://www.momentive.com/en-us/discover/news-and-press-releases/momentive-performance-materials-introduces-new-technologies-for-improved-polyurethane-foam-performance-and-production, (20240206), XP093128087

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Dossier Documents

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