US3630993A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synergistic organotin stabilizer compositions and resins stabilized therewith
Assignee: Cincinnati Milacron Chemicals Inc
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Filing: 1968-12-03
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Granted: 1971-12-28
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Expires: 1988-12-03
Abstract
Abstract WHEREIN R3 IS A HYDROCARBYL RADICAL HAVING 1 TO 12 CARBON ATOMS, Z AND Z1 ARE EITHER OXYGEN OR SULFUR, R4 IS HYDROGEN OR AN ORGANIC RADICAL BONDED TO Z1 BY A CARBON ATOM AND N IS A NUMBER FROM 0 TO 1 1/2 VARYING IN INCREMENTS OF 1/2. HALIDE CONTAINING RESINS STABILIZED WITH THESE COMPOSITIONS EXHIBIT IMPROVED RESISTANCE TO THE DEVELOPMENT OF EARLY COLOR DURING PROCESSING. R3SN(X)N(Z1R4)3-2N AN IMPROVED STABILIZER COMPOSITION COMPRISES A SYNERGISTIC COMBINATION OF AN ORGANIC THIOANHYDRIDE AND A MONOHYDROCARBYL TIN COMPOUND OF THE FORMULA
Inventors
- 👤 Christian H Stapfer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:39
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/56; C08K5/57
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) | 1974-12-27 | 1975-06-28 | 1975-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-27 | 1979-06-28 | 1979-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-27 | 1983-06-28 | 1983-12-28 | $7700.00 | Window Closed / Lapsed |