US2967849A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized straight chain hydrocarbons
Assignee: AT&T Inc
•
Filing: 1956-11-29
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Granted: 1961-01-10
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Expires: 1976-11-29
Abstract
No abstract record available.
Inventors
- 👤 Walter L Hawkins
- 👤 Vincent L Lanza
- 👤 Field H Winslow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 01:15
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/02; C08K3/04; C08K5/00; C08K5/36; C08K5/37
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A COMPOSITION WHICH IS STABILIZED AGAINST OXIDATION COMPRISING FROM 0.5 PERCENT TO 5 PERCENT BY WEIGHT OF CARBON BLACK PARTICLES OF A MAXIMUM SIZE OF 1000 ANGSTROMS, FROM 0.01 PERCENT TO 5 PERCENT OF A COMPUND OF THE STRUCTURE R-SH IN WHICH R IS A RING STRUCTURE EACH CONTAINING AT LEAST ONE CARBON ATOM AND IN WHICH THE MAXIMUM NUMBER OF CARBON ATOM AND IN WHICH RING STRUCTURES INCLUDING SUBSTITUENTS IS 30, AND AN ESSENTIALLY SATURATED HYDROCARBON POLYMERIC MATERIAL SELECTED FROM THE GROUP CONSISTING OF POLYMERS OF ETHYLENE, PRO4,4-DIMETHYL PENTENE 1, DODECENE 1, 3-METHYL PENTENE-1 AND MIXTURES OF ANY OF THESE MATERIALS, AND IN WHICH ALL WEIGHT PERCENTS ARE BASED ON THE SAID COMPOSITION.
Claim 2
Dependent Claim
114 words
A COMPOSITION WHICH IS STABILIZED AGAINST OXIDATION COMPRISING FROM 0.5 PERCENT TO 5 PERCENT BY WEIGHT OF CARBON BLACK PARTICLES OF A MAXIMUM SIZE OF 1000 ANGSTROMS, FROM 0.01 PERCENT TO 5 PERCENT OF A COMPUND OF THE STRUCTURE R-SH IN WHICH R IS A RING STRUCTURE EACH CONTAINING AT LEAST ONE CARBON ATOM AND IN WHICH THE MAXIMUM NUMBER OF CARBON ATOM AND IN WHICH RING STRUCTURES INCLUDING SUBSTITUENTS IS 30, AND AN ESSENTIALLY SATURATED HYDROCARBON POLYMERIC MATERIAL SELECTED FROM THE GROUP CONSISTING OF POLYMERS OF ETHYLENE, PRO4,4-DIMETHYL PENTENE 1, DODECENE 1, 3-METHYL PENTENE-1 AND MIXTURES OF ANY OF THESE MATERIALS, AND IN WHICH ALL WEIGHT PERCENTS ARE BASED ON THE SAID COMPOSITION.
References Cited (Backward Citations)
GB610129A
Cited
US2448799A
Cited
US2431303A
Cited
US2512459A
Cited
US2727879A
Cited
US2843577A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-10 | 1964-07-11 | 1965-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-10 | 1968-07-11 | 1969-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-10 | 1972-07-11 | 1973-01-10 | $7700.00 | Window Closed / Lapsed |