US3592823A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N,n'-diglycidyl compounds
Assignee: BASF Schweiz AG
•
Filing: 1969-07-18
•
Granted: 1971-07-13
•
Expires: 1989-07-18
Abstract
Abstract MONOMERIC CRYSTALLINE N,N''-DIGLYCIDYL COMPOUNDS OF THE FORMULA 1-((2,4-DI(O=),3-((2-R3-OXIRAN-2-YL)-CH2-),5-R1,5-R2- IMIDAZOLIDIN-1-YL),3-((2-R2''-OXIRAN-2-YL)-CH2-),5-R1'', 5-2''-IMIDAZOLINE-2,4-DIONE IN WHICH R1, R1, R2 AND R2'' EACH REPRESENTS A HYDROGEN ATOM OR A METHYL OR ETHYL GROUP AND R3 AND R3'' EACH REPRESENTS A HYDROGEN ATOM OR A METHYL GROUP.
Inventors
- 👤 Danniel Porret
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:09
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/40; C; C08; C08G; C08G59/00; C08G59/18; C08G59/20; C08G59/22; C08G59/26
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-07-12 | 1975-01-11 | 1975-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-12 | 1979-01-11 | 1979-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-12 | 1983-01-11 | 1983-07-13 | $7700.00 | Window Closed / Lapsed |