US3875190A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glycidylurethane compounds, processes for their manufacture and their use
Assignee: Novartis Corp
•
Filing: 1972-11-21
•
Granted: 1975-04-01
•
Expires: 1992-11-21
Abstract
Abstract New glycidyl-urethane compounds are obtained by glycidylating certain N-phenylurethanes in a known manner. The new glycidyl-urethane compounds can be cured with the customary curing agents for epoxide resins and thereby yield moulded materials with technically valuable properties.
Inventors
- 👤 Jurgen Habermeier
- 👤 Daniel Porret
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:24
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/83; C08G18/831; C07; C07D; C07D303/00; C07D303/02; C07D303/36; C08G59/00; C08G59/18; C08G59/20; C08G59/22; C08G59/28
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
7 words
A GLYCIDYLURETHANE OR B-METHYLGLYCIDYLURETHANES OF THE FORMULA
Claim 2
Dependent Claim
7 words
A GLYCIDYLURETHANE OR B-METHYLGLYCIDYLURETHANES OF THE FORMULA
Claim 3
Dependent Claim
8 words
Diglycidylurethane according to claim 1, of the formula
References Cited (Backward Citations)
US3440230A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-03-31 | 1978-09-30 | 1979-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-03-31 | 1982-09-30 | 1983-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-03-31 | 1986-09-30 | 1987-04-01 | $7700.00 | Window Closed / Lapsed |