Liquid carbon dioxide-based cleaning composition comprising an organic solvent-based detergent additive
US12319896B2 · kind B2 · utility
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Key dates
| Filing date | Dec 28, 2021 |
| Grant date | Jun 3, 2025 |
| Priority date | — |
| Expiry date | Nov 19, 2043 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D2111/12
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A liquid carbon dioxide base cleaning detergent composition includes: an organic solvent represented by chemical formula 1, and a contaminant remover, where the chemical formula 1 is R1—(CH2)m(CF2)n—R2, m refers to integers from 0 to 4, n refers to integers from 1 to 5, R1 and R2 refer to hydrogen H, fluorine F, CH3, CH3O or CF3.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.