Procedure for the formation of 2H-benzotriazole bodies and congeners
US12384785B2 · kind B2 · utility
0Cited by
6References
18Claims
0Family size
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Key dates
| Filing date | Dec 2, 2019 |
| Grant date | Aug 12, 2025 |
| Priority date | — |
| Expiry date | Nov 22, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D471/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a process for the preparation of 2H-benzotriazole compounds and congeners, novel 2H-benzotriazole compounds and congeners and their use as UV absorbers in coatings and bulk plastics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.