EP3662770

DAICEL CORPORATION
Application Number
EP18875018A
Filing Date
Oct 25, 2018
Status
Granted And Under Opposition
Jan 22, 2021
Grant Date
Feb 24, 2021
External Links
Slate, Register

Biblio Summary

The patent EP3662770B1 was granted on Feb 24, 2021 by Daicel Corporation The patent is currently Granted And Under Opposition.

The table below shows 3 patent oppositions filed on the patent at EPO, listing each opposing company and filing date. Tracking these filings indicates that the applicant is active in this industry, while opposing companies may be signaling their own interest in competing within the same space. These disputes are essential for insights into competitor actions, patent strategy and emerging technological trends.

CompanyOpposition DateOpposition Status

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CERDIA INTERNATIONAL GMBHNov 24, 2021ADMISSIBLE
EASTMAN CHEMICAL COMPANYNov 24, 2021ADMISSIBLE
CELANESE INTERNATIONAL CORPORATIONNov 19, 2021ADMISSIBLE

The table below shows the patents of Daicel Corporation that have been opposed by other companies.

Patent NumberTitleGrant DateOpposition Count
EP4026851Cellulose Acetate And Cellulose Acetate CompositionDec 13, 20232
EP3821733Tow Band For Electronic Cigarette Tip, Electronic Cigarette Tip, And Production Method Of Tow Band For Electronic Cigarette TipNov 22, 20231
EP3939444Aerosol Cooling MemberSep 6, 20231