US2676940A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat and light-stabilized halogen containing polymeric compositions
Assignee: Monsanto Chemicals Ltd
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Filing: 1952-02-25
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Granted: 1954-04-27
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Expires: 1972-02-25
Abstract
No abstract record available.
Inventors
- 👤 Allen S Kenyon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:16
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A HEAT AND LIGHT STABILIZED HALOGEN-CONTAINING POLYMER COMPRISING SAID POLYMER AND AS A STABILIZER THEREFOR FROM ABOUT 0.5 TO ABOUT 10 PERCENT, BASED ON THE WEIGHT OF THE POLYMER, OF AN ALIPHATIC ETHYLENIC ALCOHOL CONTAINING FROM 10 TO 18 CARBON ATOMS, WHEREIN THE ETHYLENIC BONDS ARE THE SOLE UNSATURATED BONDS OF THE MOLECULE AND ARE NONCONJUGATED, AND MIXTURES THEREOF, AND THE STABILIZED POLYMER IS CHARACTERIZED BY AN IMPROVED RESISTANCE TO DISCOLORATION BY EXPOSURE TO HEAT AND LIGHT.
Claim 2
Dependent Claim
77 words
A HEAT AND LIGHT STABILIZED HALOGEN-CONTAINING POLYMER COMPRISING SAID POLYMER AND AS A STABILIZER THEREFOR FROM ABOUT 0.5 TO ABOUT 10 PERCENT, BASED ON THE WEIGHT OF THE POLYMER, OF AN ALIPHATIC ETHYLENIC ALCOHOL CONTAINING FROM 10 TO 18 CARBON ATOMS, WHEREIN THE ETHYLENIC BONDS ARE THE SOLE UNSATURATED BONDS OF THE MOLECULE AND ARE NONCONJUGATED, AND MIXTURES THEREOF, AND THE STABILIZED POLYMER IS CHARACTERIZED BY AN IMPROVED RESISTANCE TO DISCOLORATION BY EXPOSURE TO HEAT AND LIGHT.
References Cited (Backward Citations)
US2501647A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-26 | 1957-10-26 | 1958-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-26 | 1961-10-26 | 1962-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-26 | 1965-10-26 | 1966-04-27 | $7700.00 | Window Closed / Lapsed |