US3327019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diethers and copolymerizates therefrom
Assignee: Bayer AG
•
Filing: 1966-02-01
•
Granted: 1967-06-20
•
Expires: 1986-02-01
Abstract
No abstract record available.
Inventors
- 👤 Mylenbusch Helmut
- 👤 Krimm Heinrich
- 👤 Schnell Herman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:20
CPC Classifications
C; C07; C07C; C07C323/00; C07C323/10; C07C323/18; C07C323/20; C07C317/00; C07C317/16; C07C317/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
A 2-HYDROXY-1-(P-VINYLPHENYL)-3-ARYL-PROPYLENE DIETHER OF THE FORMULA
Claim 2
Dependent Claim
6 words
A 2-HYDROXY-1-(P-VINYLPHENYL)-3-ARYL-PROPYLENE DIETHER OF THE FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-19 | 1970-12-19 | 1971-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-19 | 1974-12-19 | 1975-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-19 | 1978-12-19 | 1979-06-20 | $7700.00 | Window Closed / Lapsed |