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IP Verse

Bio-Based Binders For Insulation And Non-Woven Mats - EP2485989

The patent EP2485989 was granted to Owens Corning Capital on Jul 10, 2019. The application was filed on Oct 8, 2010 under application number EP10768139A. The patent is currently recorded with a legal status of "Revoked".

EP2485989

OWENS CORNING CAPITAL
Application Number
EP10768139A
Filing Date
Oct 8, 2010
Status
Revoked
Oct 3, 2024
Publication Date
Jul 10, 2019
External Links
Slate, Register, Google Patents

Patent Summary

A bio-based binder for fiberglass insulation and non-woven mats that is free of added formaldehyde and environmentally friendly. The binder is a polyester thermoset resin formed from maltodextrin and citric acid, with maltodextrin comprising 40-95% of the binder solids. The binder provides improved performance and reduced emissions compared to conventional phenol/urea/formaldehyde binders.

Patent Family

Patent Family

Patent Oppositions (3)

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
POLITEX DI FREUDENBERG POLITEXApr 9, 2020BANSE & STEGLICH PATENTANWALTE PARTMBBADMISSIBLE
URSA INSULATIONApr 9, 2020ZIMMERMANN & PARTNER PATENTANWALTE MBBADMISSIBLE
SAINT GOBAINMar 23, 2020RENARDADMISSIBLE

Patent Citations (18) New

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

Citation PhasePublication Number
DESCRIPTIONUS19870612501
EXAMINATIONUS2008051539
INTERNATIONAL-SEARCH-REPORTFR2924719
INTERNATIONAL-SEARCH-REPORTUS2005215153
INTERNATIONAL-SEARCH-REPORTUS5895804
INTERNATIONAL-SEARCH-REPORTWO2006120523
INTERNATIONAL-SEARCH-REPORTWO2009095617
INTERNATIONAL-SEARCH-REPORTWO2010139899
OPPOSITIONEP1486547
OPPOSITIONFR2924719
OPPOSITIONUS2005215153
OPPOSITIONUS2007129261
OPPOSITIONUS2008051539
OPPOSITIONUS5026746
OPPOSITIONWO2009080938
OPPOSITIONWO2009095617
OPPOSITIONWO2010029266
OPPOSITIONWO2011044490

Dossier Documents

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