Hydrogen getter composition
US6645396B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 16, 2002 |
| Grant date | Nov 11, 2003 |
| Priority date | — |
| Expiry date | Sep 16, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/32
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a composition capable of hydrogen sorption in a closed container at low pressure, comprising an unsaturated organic substance and a hydrogenation catalyst. Said unsaturated organic substance is a compound having general formula A or A′, or a dimer or polymer thereof, or a copolymer wherein one of the structural units has the general formula A or A′: wherein R1, R2 and R3 are hydrogen or hydrocarbon moieties optionally comprising one or more heteroatoms, at least one among R1, R2 and R3 being chosen in the group of alkenyl, alkynyl, arylalkenyl and arylalkynyl moieties, optionally comprising one or more heteroatoms.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.