Methods for preparing alkylated hydroxyaromatics
US5663457A · kind A · utility
38Cited by
9References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 16, 1996 |
| Grant date | Sep 2, 1997 |
| Priority date | — |
| Expiry date | Feb 16, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C37/14
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Conventional low vinylidene polyolefins are condensed with hydroxyaromatics under the influence of macroreticular ion exchange resins in acid form to yield alkylated hydroxyaromatics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.