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A Process To Selectively Manufacture Diethylenetriamine (Deta) Or Other Desirable Ethylenamines Via Continuous Transamination Of Ethylenediamine (Eda), And Other Ethyleneamines Over A Heterogeneous Catalyst System

Patent No. EP2344445 (titled "A Process To Selectively Manufacture Diethylenetriamine (Deta) Or Other Desirable Ethylenamines Via Continuous Transamination Of Ethylenediamine (Eda), And Other Ethyleneamines Over A Heterogeneous Catalyst System") was filed by Union Carbide on Oct 6, 2009. The application was issued on May 10, 2017.

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Patent Oppositions (4)

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
AKZO NOBEL CHEMICALS INTERNATIONAL BVFeb 9, 2018AKZO NOBEL DEPARTMENT
NOURYON CHEMICALSFeb 9, 2018INGRASSIA
NOURYON CHEMICALSFeb 9, 2018LKGLOBAL UK
BASFJan 30, 2018BASF ASSOCIATION

Dossier Documents

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  • Date

    Description

EP2344445

UNION CARBIDE
Application Number
EP09748525A
Filing Date
Oct 6, 2009
Status
Revoked
Aug 1, 2023
Publication Date
May 10, 2017
External Links
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