Patent US3050499A successfully refreshed from Google Patents.
US3050499A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized vinyl halide resins
Assignee: Associated Lead Inc
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Filing: 1958-03-24
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Granted: 1962-08-21
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Expires: 1978-03-24
Abstract
No abstract record available.
Inventors
- 👤 Eliot G Gordon
- 👤 Konig Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:06
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/53; C08K5/5377; C08K5/50; C08K5/52; C08K5/5393
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
A VINYL HALIDE POLYMER COMPOSITION, SAID VINYL HALIDE POLYMER BEING SUBSTANTIALLY FREE OF HYDROXYL GROUPS, SAID POLYMER BEING SELECTED FROM THE GROUP CONSISTING OF VINYL CHLORIDE AND COPOLYMERS OF VINYL CHLORIDE WITH VINYL ACETATE SAID COMPOSITION CONTAINING AS STABILIZER AND ANTIYELLOWING AGENT THEREFOR, AT LEAST ONE PHOSPHORUS COMPOUND, REPRESENTABLE BY THE FORMULA (RO)XPR''Y, WHEREIN R REPRESENTS A RADICAL SELECTED FROM THE GROUP CONSISTING OF ALIPHATIC HYDROCARBON RADICALS CONTAINING FORM 1 TO 18 CARBON ATOMS AND ARYL RADICALS CONTAINING FROM 6 JTO 18 CARBON ATOMS, R'' REPRESENTS A RADICAL SELECTED FROM THE GROUP CONSISTING OF ALIPHATIC HYDROCARBON RADICALS CONTAINING FROM 1 TO 18 CARBON ATOMS AND ARYL RADICALS CONTAINING FROM 6 TO 18 CARBON ATOMS, X IS FROM ZERO TO 2, Y IS FROM 1 TO 3, AND THE SUM OF X AND Y IS 3, SAID PHOSPHORUS COMPOUND BEING PRESENT IN AMOUNTS EQUIVALENT FROM ABOUT 0.6 TO ABOUT 6.0 PARTS OF COMBINED PHOSPHORUS PER 10,000 PARTS OF VINYL HALIDE POLYMER.
Claim 2
Dependent Claim
160 words
A VINYL HALIDE POLYMER COMPOSITION, SAID VINYL HALIDE POLYMER BEING SUBSTANTIALLY FREE OF HYDROXYL GROUPS, SAID POLYMER BEING SELECTED FROM THE GROUP CONSISTING OF VINYL CHLORIDE AND COPOLYMERS OF VINYL CHLORIDE WITH VINYL ACETATE SAID COMPOSITION CONTAINING AS STABILIZER AND ANTIYELLOWING AGENT THEREFOR, AT LEAST ONE PHOSPHORUS COMPOUND, REPRESENTABLE BY THE FORMULA (RO)XPR''Y, WHEREIN R REPRESENTS A RADICAL SELECTED FROM THE GROUP CONSISTING OF ALIPHATIC HYDROCARBON RADICALS CONTAINING FORM 1 TO 18 CARBON ATOMS AND ARYL RADICALS CONTAINING FROM 6 JTO 18 CARBON ATOMS, R'' REPRESENTS A RADICAL SELECTED FROM THE GROUP CONSISTING OF ALIPHATIC HYDROCARBON RADICALS CONTAINING FROM 1 TO 18 CARBON ATOMS AND ARYL RADICALS CONTAINING FROM 6 TO 18 CARBON ATOMS, X IS FROM ZERO TO 2, Y IS FROM 1 TO 3, AND THE SUM OF X AND Y IS 3, SAID PHOSPHORUS COMPOUND BEING PRESENT IN AMOUNTS EQUIVALENT FROM ABOUT 0.6 TO ABOUT 6.0 PARTS OF COMBINED PHOSPHORUS PER 10,000 PARTS OF VINYL HALIDE POLYMER.
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) | 1965-08-20 | 1966-02-19 | 1966-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-20 | 1970-02-19 | 1970-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-20 | 1974-02-19 | 1974-08-21 | $7700.00 | Window Closed / Lapsed |