Patent US2597920A successfully refreshed from Google Patents.
US2597920A
Expired / Lapsed
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Organo-tin compounds and composition including same and method of making same
Assignee: Goodrich Corp
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Filing: 1951-06-29
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Granted: 1952-05-27
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Expires: 1971-06-29
Abstract
No abstract record available.
Inventors
- 👤 Richard T Carroll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:51
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F3/00; C07F3/10; C07F3/103; C07F7/00; C07F7/02; C07F7/04; C07F7/22; C07F7/2224; C08; C08K; C08K5/00; C08K5/56; C08K5/57
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
82 words
A HEAT AND LIGHT STABILIZED COMPOSITION COMPRISING A POLYMER OF MONOMERIC MATERIAL INCLUDING A CHLOROETHYLENE HAVING FROM ONE TO TWO CHLORINE ATOMS ATTACHED TO ONE ONLY OF THE CARBON ATOMS AND A STABILIZER FOR SAID POLYMER COMPRISING THE REACTION PRODUCT OF AN ORGANOTIN OXIDE HAVING THE EMPIRICAL FORMULA R1R2SNO WHERE R1 AND R2 REPRESENT MONOVALENT HYDROCARBON GROUPS, WITH A HYDROCARBON ESTER OF AN OXYGEN-CONTAINING ACID HAVING AT LEAST ONE OXYGEN ATOM IN AN ACID RADICAL ATTACHED TO A REPLACEABLE ACID HYDROGEN ATOM.
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) | 1955-05-27 | 1955-11-26 | 1956-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-27 | 1959-11-26 | 1960-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-27 | 1963-11-26 | 1964-05-27 | $7700.00 | Window Closed / Lapsed |