Catalysts for reaction of epoxides and acids
US5354896A · kind A · utility
5Cited by
6References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 1, 1993 |
| Grant date | Oct 11, 1994 |
| Priority date | — |
| Expiry date | Feb 1, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C67/26
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Strong base anion exchange resins that contain quaternary ammonium groups derived from higher molecular weight amines, such as triethylamine or tripropylamine instead of trimethylamine, have a higher reactivity for catalyzing the reaction of an epoxide compound with an acid compound to form an ester.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.