Substance dispensing system and method of making
US11999556B2 · kind B2 · utility
0Cited by
9References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 19, 2022 |
| Grant date | Jun 4, 2024 |
| Priority date | — |
| Expiry date | Oct 19, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G2170/60
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A substance dispensing system including a first pressure vessel defining a first interior space; a first substance positioned in the first interior space; a first portion of a first propellant positioned in the first interior space; and a first portion of a second propellant positioned in the first interior space. At least 90 percent by weight of the first propellant is at least one of carbon dioxide, nitrous oxide, and combinations thereof. At least 90 percent by weight of the second propellant is at least one of nitrogen, argon, helium, oxygen, and combinations thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.