US3095433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of alkyl tin compounds
Assignee: Ethyl Corp
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Filing: 1960-08-23
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Granted: 1963-06-25
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Expires: 1980-08-23
Abstract
No abstract record available.
Inventors
- 👤 Mangham Jesse Roger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:10
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A PROCESS FOR THE PREPARATION OF ALKYL TIN COMPOUNDS WHICH COMPRISES REACTING A TRIALKYL ALUMINUM COMPOUNDS EACH ALKYL GROUP THEREOF CONTAINING UP TO 10 CARBON ATOMS, WITH A TIN COMPOUND SELECTED FROM THE GROUP CONSISTING OF (1) ALKYL TIN OXIDES CONSISTING OF TIN, TWO TO THREE ALKYL GROUPS PER ATOM OF TIN, AND OXYGEN, THE ALKYL GROUPS THEREOF EACH HAVING UP TO 10 CARBON ATOMS, (2) ALKYL TIN SALTS DERIVED SOLELY FROM MONOCARBOXYLIC ACIDS HAVING FROM 1 TO 8 CARBON ATOMS AND THE ALKYL GROUPS THEREOF EACH CONTAINING UP TO 10 CARBON ATOMS, THE REACTION BEING CONDUCTED IN AN INERT LIQUID HYDROCARBON.
Claim 2
Dependent Claim
102 words
A PROCESS FOR THE PREPARATION OF ALKYL TIN COMPOUNDS WHICH COMPRISES REACTING A TRIALKYL ALUMINUM COMPOUNDS EACH ALKYL GROUP THEREOF CONTAINING UP TO 10 CARBON ATOMS, WITH A TIN COMPOUND SELECTED FROM THE GROUP CONSISTING OF (1) ALKYL TIN OXIDES CONSISTING OF TIN, TWO TO THREE ALKYL GROUPS PER ATOM OF TIN, AND OXYGEN, THE ALKYL GROUPS THEREOF EACH HAVING UP TO 10 CARBON ATOMS, (2) ALKYL TIN SALTS DERIVED SOLELY FROM MONOCARBOXYLIC ACIDS HAVING FROM 1 TO 8 CARBON ATOMS AND THE ALKYL GROUPS THEREOF EACH CONTAINING UP TO 10 CARBON ATOMS, THE REACTION BEING CONDUCTED IN AN INERT LIQUID HYDROCARBON.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-24 | 1966-12-24 | 1967-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-24 | 1970-12-24 | 1971-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-24 | 1974-12-24 | 1975-06-25 | $7700.00 | Window Closed / Lapsed |