US2950301A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of organotin and lead compounds
Assignee: Ethyl Corp
•
Filing: 1959-05-01
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Granted: 1960-08-23
•
Expires: 1979-05-01
Abstract
No abstract record available.
Inventors
- 👤 James M Riddle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:53
CPC Classifications
C; C07; C07F; C07F7/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A PROCESS FOR THE MANUFACTURE OF AN ORGANOMETALLIC COMPOUND OF A METAL SELECTED FROM THE GROUP CONSISTING OF LEAD AND TIN WHICH COMPRISES REACTING A COMPOUND SELECTED FROM THE GROUP CONSISTING OF LEAD AND TIN SALTS AND OXIDES WHICH ARE ESSENTIALLY INERT TO WATER WITH AN ORGANOBORANE COMPOUND SELECTED FROM THE GROUP CONSISTING OF TRIALKYLBORANE AND TRIALKENYLBORANE IN THE PRESENCE OF WATER.
Claim 2
Dependent Claim
62 words
A PROCESS FOR THE MANUFACTURE OF AN ORGANOMETALLIC COMPOUND OF A METAL SELECTED FROM THE GROUP CONSISTING OF LEAD AND TIN WHICH COMPRISES REACTING A COMPOUND SELECTED FROM THE GROUP CONSISTING OF LEAD AND TIN SALTS AND OXIDES WHICH ARE ESSENTIALLY INERT TO WATER WITH AN ORGANOBORANE COMPOUND SELECTED FROM THE GROUP CONSISTING OF TRIALKYLBORANE AND TRIALKENYLBORANE IN THE PRESENCE OF WATER.
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) | 1963-08-23 | 1964-02-22 | 1964-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-23 | 1968-02-22 | 1968-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-23 | 1972-02-22 | 1972-08-23 | $7700.00 | Window Closed / Lapsed |