Hydroxyalkyl derivatives of alkylene-bis-hydantoins
Abstract
Abstract New diglycidyl ethers of binuclear, five-membered or sixmembered, unsubstituted or substituted, N-heterocyclic compounds containing two NH groups in the molecule and containing added-on butene oxide, produced by reaction of binuclear, five-membered or six-membered, unsubstituted or substituted, N-heterocyclic compounds, such as bis-(hydantoin) or bis-(dihydrouracil) compounds, for example 1,1''-methylene-bis-(5,5dimethylhydantoin), 1,6-bis-(5,5-dimethylhydantoinyl-3)-hexane or Beta , Beta ''bis-(5,5-dimethylhydantoinyl-3)-diethyl ether, with butene oxide, for example 1,2-butene oxide, to give monoalcohols or dialcohols, and subsequent glydidylation of the OH groups or of the OH group and the NH group to give the corresponding glycidyl ethers.
Inventors
- 👤 Juergen Habermeier
- 👤 Hans Batzer
- 👤 Daniel Porret
Bibliographic Details
Claims Analysis
Total Claims: 6References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-07-07 | 1979-01-06 | 1979-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-07-07 | 1983-01-06 | 1983-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-07-07 | 1987-01-06 | 1987-07-08 | $7700.00 | Window Closed / Lapsed |