Method for producing carbodiimide compound
US12071395B2 · kind B2 · utility
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Key dates
| Filing date | Mar 12, 2019 |
| Grant date | Aug 27, 2024 |
| Priority date | — |
| Expiry date | Dec 29, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2531/02
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A method for producing a carbodiimide compound, comprising a carbodiimide production step of reacting an aliphatic tertiary isocyanate compound (A) in the presence of an inorganic alkali metal compound (B) and at least one of a phase transfer catalyst (C), a compound (D-1) represented by general formula (2-1), and a compound (D-2) represented by general formula (2-2).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.