Composition supply method, composition, supply device, and composition filling method
US11896918B2 · kind B2 · utility
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15Claims
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Key dates
| Filing date | Apr 20, 2021 |
| Grant date | Feb 13, 2024 |
| Priority date | — |
| Expiry date | Jun 2, 2042 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF17C2221/03
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present disclosure provides a method for stably supplying a highly pure n-butylamine gas having a constant composition. The present disclosure is a composition supply method including: a filling step of filling a container with a composition containing n-butylamine in an amount of 99.5% by volume or more and isobutylamine in an amount of 0.001% by volume or more and 0.5% by volume or less; a warming step of warming the container filled with the composition to 50° C. or higher; and a gas supply step of supplying a gas containing n-butylamine and isobutylamine from the warmed container to a predetermined device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.