US3711524A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing dialkyltin compounds
Assignee: Individual
•
Filing: 1971-07-28
•
Granted: 1973-01-16
•
Expires: 1991-07-28
Abstract
Abstract DIALKYTIN COMPOUNDS ARE PREPARED BY THE REACTION OF LOWER DIALKYL SULFATES AND METALLIC TIN. THE PRODUCT CAN BE HYDROLYZED TO GIVE THE CORRESPONDING DIALKYLTIN OXIDE.
Inventors
- 👤 J Leebrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:18
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/22; C07F7/2224
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-01-16 | 1976-07-17 | 1977-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-16 | 1980-07-17 | 1981-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-16 | 1984-07-17 | 1985-01-16 | $7700.00 | Window Closed / Lapsed |