US3346629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing beta-ethylenically unsaturated organic sulfonates
Assignee: Monsanto Co
•
Filing: 1963-08-15
•
Granted: 1967-10-10
•
Expires: 1983-08-15
Abstract
No abstract record available.
Inventors
- 👤 George Leon Broussalian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:06
CPC Classifications
C; C07; C07C; C07C309/00; C11; C11D; C11D1/00; C11D1/02; C11D1/12; C11D1/14; C11D1/143
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
9 words
A PROCESS FOR PREPARING A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
9 words
A PROCESS FOR PREPARING A COMPOUND OF THE FORMULA
References Cited (Backward Citations)
US2240920A
Cited
US2303212A
Cited
US2243331A
Cited
US2337552A
Cited
DE899939C
Cited
US2789133A
Cited
US2894912A
Cited
US2807642A
Cited
FR1307710A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |