Synthesis of N4, N4-diphenyl-N4,N4-di-m-tolyl-biphenyl-4,4'-diamine from an unsymmetrical amine
US6407289B1 · kind B1 · utility
1Cited by
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10Claims
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Key dates
| Filing date | Jan 27, 2000 |
| Grant date | Jun 18, 2002 |
| Priority date | — |
| Expiry date | Jan 27, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C209/68
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Novel (4-halophenyl) biphenyl tolyl amines are described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.