US3299123A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Substituted methylene diphosphonic acids and salts and esters thereof
Assignee: Monsanto Co
•
Filing: 1963-04-09
•
Granted: 1967-01-17
•
Expires: 1983-04-09
Abstract
No abstract record available.
Inventors
- 👤 Steven J Fitch
- 👤 Riyad R Irani
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:29
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/3804; C07F9/3839; C07F9/547; C07F9/553; C07F9/572; C11; C11D; C11D1/00; C11D1/02; C11D1/34; C11D1/342; C11D3/00; C11D3/16; C11D3/36; C11D3/361; D; D06; D06L; D06L1/00; D06L1/02; D06L1/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND HAVING THE FORMULA
References Cited (Backward Citations)
US2339096A
Cited
US2651656A
Cited
US2634288A
Cited
US2904514A
Cited
US2889213A
Cited
US2793945A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |