Substituted 4-phenyl benzophenones
US3979459A · kind A · utility
11Cited by
2References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 7, 1974 |
| Grant date | Sep 7, 1976 |
| Priority date | — |
| Expiry date | May 7, 1994 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C49/813
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Compounds of the formula ##SPC1## Where X is ##SPC2## Or a group having the formula ##SPC3## In which m takes the value 1, 2 or 3 and where Q is fluorine, chloride, bromine or a hydroxyl group or alkali metal salt thereof. Compounds are also provided having the formula ##SPC4## Where Z is a hydrogen atom or a hydroxyl group (or alkali metal salt thereof) where Q is a hydroxyl group (or alkali metal salt thereof).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.