Ketone derivatives
US4141995A · kind A · utility
9Cited by
3References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 2, 1977 |
| Grant date | Feb 27, 1979 |
| Priority date | — |
| Expiry date | Sep 2, 1997 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C65/40
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
o-Hydroxybenzophenones and derivatives thereof are described together with a process for their production. The compounds have anti-allergy activity and are characterized by the presence of an alkyl substituent on the hydroxyphenyl ring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.