US2790014A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized hydrocarbons
Assignee: Monsanto Chemicals Ltd
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Filing: 1953-12-01
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Granted: 1957-04-23
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Expires: 1973-12-01
Abstract
No abstract record available.
Inventors
- 👤 William W Marshall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:40
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/26; C10L1/2633; C10L1/2641; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A LIQUID PARTIALLY HYDROGENATED HYDROCARBON PRODUCT OBTAINED BY THE PARTIAL HYDROGENATION OF THE HYDROCARBONS, BOILING ABOVE 350*C., WHICH ARE OBTAINED DURING THE PYROLYSIS OF BENZENE, SAID HYDROCARBON PRODUCT CONTAINING A SMALL AMOUNT, SUFFICIENT TO STABILIZE SAID PRODUCT AGAINST LIGHT-INDUCED DISCOLORATION, OF A PHOSPHITE ESTER CONTAINING THREE ESTER GROUPS, IN WHICH EACH OF THE ESTER GROUPS CONTAINS NOT MORE THAN 18 CARBON ATOMS, AT LEAST ONE OF SAID ESTER GROUPS CONTAINING THE EPOXY RADICAL, AND BEING FURTHER CHARACTERIZED IN THAT EACH EPOXY-CONTAINING ESTER GROUP CONTAINS AT LEAST THREE CARBON ATOMS.
Claim 2
Dependent Claim
89 words
A LIQUID PARTIALLY HYDROGENATED HYDROCARBON PRODUCT OBTAINED BY THE PARTIAL HYDROGENATION OF THE HYDROCARBONS, BOILING ABOVE 350*C., WHICH ARE OBTAINED DURING THE PYROLYSIS OF BENZENE, SAID HYDROCARBON PRODUCT CONTAINING A SMALL AMOUNT, SUFFICIENT TO STABILIZE SAID PRODUCT AGAINST LIGHT-INDUCED DISCOLORATION, OF A PHOSPHITE ESTER CONTAINING THREE ESTER GROUPS, IN WHICH EACH OF THE ESTER GROUPS CONTAINS NOT MORE THAN 18 CARBON ATOMS, AT LEAST ONE OF SAID ESTER GROUPS CONTAINING THE EPOXY RADICAL, AND BEING FURTHER CHARACTERIZED IN THAT EACH EPOXY-CONTAINING ESTER GROUP CONTAINS AT LEAST THREE CARBON ATOMS.
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) | 1960-04-22 | 1960-10-22 | 1961-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-22 | 1964-10-22 | 1965-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-22 | 1968-10-22 | 1969-04-23 | $7700.00 | Window Closed / Lapsed |