US2560034A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of alkyltin carboxylates
Assignee: Bridgestone Firestone Inc
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Filing: 1949-03-17
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Granted: 1951-07-10
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Expires: 1969-03-17
Abstract
No abstract record available.
Inventors
- 👤 Kenneth C Eberly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:30
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/22; C07F7/2224
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
THE PROCESS OF PRODUCING AN ALKYLTIN CARBOXYLATE CONTAINING TWO TO EIGHT CARBONS IN EACH ALKYL GROUP AND TWO TO EIGHTEEN CARBON ATOMS IN EACH ACID GROUP, WHICH COMPRISES REACTING IN AN INERT ORGANIC SOLVENT AN ALKYLTIN HALIDE OF SAID ALKYL CHAIN LENGTH WITH A CARBOXYLATE OF THE CLASS CONSISTING OF ALKALI METAL AND ALKALINE EARTH METAL CARBOXYLATES OF SAID CHAIN LENGTH, AND SEPARATING FROM THE SOLUTION THE RESULTING METAL HALIDE.
Claim 2
Dependent Claim
70 words
THE PROCESS OF PRODUCING AN ALKYLTIN CARBOXYLATE CONTAINING TWO TO EIGHT CARBONS IN EACH ALKYL GROUP AND TWO TO EIGHTEEN CARBON ATOMS IN EACH ACID GROUP, WHICH COMPRISES REACTING IN AN INERT ORGANIC SOLVENT AN ALKYLTIN HALIDE OF SAID ALKYL CHAIN LENGTH WITH A CARBOXYLATE OF THE CLASS CONSISTING OF ALKALI METAL AND ALKALINE EARTH METAL CARBOXYLATES OF SAID CHAIN LENGTH, AND SEPARATING FROM THE SOLUTION THE RESULTING METAL HALIDE.
References Cited (Backward Citations)
US2344002A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-09 | 1955-01-08 | 1955-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-09 | 1959-01-08 | 1959-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-09 | 1963-01-08 | 1963-07-10 | $7700.00 | Window Closed / Lapsed |