Acridan derivatives as antioxidants
US7847125B2 · kind B2 · utility
1Cited by
12References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 16, 2007 |
| Grant date | Dec 7, 2010 |
| Priority date | — |
| Expiry date | May 13, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D221/18
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A compound having the formula:R1 and R2 together with the carbon atoms to which they are bonded are joined together to form a C3-C30 ring. The C3-C30 ring may be substituted with one or more substituents or unsubstituted. The C3-C30 ring may contain one or more heteroatoms. The C3-C30 ring may be saturated, partially unsaturated, or fully unsaturated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.