IP Verse

Electric Cell Potting Compound And Method Of Making

Patent No. EP3753056 (titled "Electric Cell Potting Compound And Method Of Making") was filed by HB Fuller on Feb 15, 2019. The application was issued on Mar 30, 2022.

Patent Summary

Battery module with a flame retardant foam potting compound that contains a liquid flame retardant component in an amount from about 15 wt.% to about 60 wt.% based on the total weight of the potting compound. The potting compound is formed from a reaction product of a first component having an isocyanate reactive compound and a second component having an isocyanate compound, with water and a blowing agent present in the first component. The foam potting compound has a density of less than 0.50 g/cm3 and exhibits at least a V2 level flame resistance as measured by the UL 94 Test for Flammability of Plastics.

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Patent Oppositions (5)

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 DateRepresentative
RAMPF POLYMER SOLUTIONSDec 30, 2022WEICKMANN & WEICKMANN
RAMPF POLYMER SOLUTIONSDec 30, 2022WEICKMANN & WEICKMANN PARTMBB
HENKELDec 28, 2022KBN
HENKELDec 28, 2022PATENTANWALTE BAUER VORBERG KAYSER
BASFDec 23, 2022BASF ASSOCIATION

Dossier Documents

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EP3753056

HB FULLER
Application Number
EP19709202A
Filing Date
Feb 15, 2019
Status
Granted And Under Opposition
Feb 25, 2022
Publication Date
Mar 30, 2022
External Links
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