US3417062A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-alkenyl-1,3-dioxolenium and 1,3-dioxenium salts and polymers thereof
Assignee: Dow Chemical Co
•
Filing: 1966-07-11
•
Granted: 1968-12-17
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Expires: 1986-07-11
Abstract
No abstract record available.
Inventors
- 👤 Donald A Tomalia
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:42
CPC Classifications
C; C07; C07D; C07D317/00; C07D317/08; C07D317/10; C07D317/12; C07D317/14; C07D317/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
8 words
A 2-ALKENYL-1,3-DIOXOLENIUM OR 1,3-DIOXENIUM SALT OF THE FORMULA:
Claim 2
Dependent Claim
8 words
A 2-ALKENYL-1,3-DIOXOLENIUM OR 1,3-DIOXENIUM SALT OF THE FORMULA:
References Cited (Backward Citations)
US3010945A
Cited
US3055766A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-17 | 1972-06-17 | 1972-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-17 | 1976-06-17 | 1976-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-17 | 1980-06-17 | 1980-12-17 | $7700.00 | Window Closed / Lapsed |