Removal Of Hydrogen Impurity From Gas Streams - EP3991826

The patent EP3991826 was granted to AIR Products And Chemicals on Jun 12, 2024. The application was originally filed on Oct 25, 2021 under application number EP21204594A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3991826

AIR PRODUCTS AND CHEMICALS
Application Number
EP21204594A
Filing Date
Oct 25, 2021
Status
Granted And Under Opposition
May 10, 2024
Publication Date
Jun 12, 2024
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (2)

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.

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LINDEMar 10, 2025GRUNDNERADMISSIBLE
LINDEMar 10, 2025IMHOFADMISSIBLE

Patent Citations (18) New

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

Citation PhasePublication Number
DESCRIPTIONEP2662653
DESCRIPTIONEP2789376
DESCRIPTIONUS1345323
DESCRIPTIONUS4541851
DESCRIPTIONUS5137548
DESCRIPTIONUS5202096
DESCRIPTIONUS5232474
DESCRIPTIONUS5614000
DESCRIPTIONUS5855650
DESCRIPTIONUS5906675
DESCRIPTIONUS6511640
EXAMINATIONEP2640496
OPPOSITIONEP2662653
OPPOSITIONEP2789376
SEARCHEP2640496
SEARCHEP2662653
SEARCHEP2789376
SEARCHJP2000247919

Non-Patent Literature (NPL) Citations (3) 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
DESCRIPTION- HUTCHINGS et al., Applied Catalysis A: General, (19980000), vol. 166, pages 143 - 152
OPPOSITION- Anonymous, "CARULITE® 300 CATALYST - Safety Data Sheet", CARUS, (20140724), XP093252018
OPPOSITION- Anonymous, "Luft", Wikipedia, (20241228), Wikipedia, URL: https://de.wikipedia.org/w/index.php?title=Luft&oldid=251661209, XP093265975

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Dossier Documents

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