US3033888A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vinyl cyclic phosphates and method of preparation
Assignee: Rohm and Haas Co
•
Filing: 1960-04-22
•
Granted: 1962-05-08
•
Expires: 1980-04-22
Abstract
No abstract record available.
Inventors
- 👤 Jr William S Wadsworth
- 👤 William D Emmons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:03
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/6564; C07F9/6571; C07F9/6574; C07F9/65742
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
7 words
A CYCLIC VINYL PHOSPHATE OF THE FORMULA
Claim 2
Dependent Claim
7 words
A CYCLIC VINYL PHOSPHATE OF THE FORMULA
Claim 3
Dependent Claim
13 words
A PROCESS FOR THE PREPARATION OF A CYCLIC VINYL PHOSPHATE OF THE FORMULA
Claim 4
Dependent Claim
13 words
A PROCESS FOR THE PREPARATION OF A CYCLIC VINYL PHOSPHATE OF THE FORMULA
References Cited (Backward Citations)
US2834798A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-07 | 1965-11-06 | 1966-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-07 | 1969-11-06 | 1970-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-07 | 1973-11-06 | 1974-05-08 | $7700.00 | Window Closed / Lapsed |