Patent US2813783A successfully refreshed from Google Patents.
US2813783A
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US
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Stabilization of organic compounds
Assignee: Universal Oil Products Co
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Filing: 1953-05-18
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Granted: 1957-11-19
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Expires: 1973-05-18
Abstract
No abstract record available.
Inventors
- 👤 William K T Gleim
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:56
CPC Classifications
C; C07; C07C; C07C273/00; C07C273/18; C07C273/1854; C07C273/1863; C07C273/1872; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/222; C10L1/2227; C10M; C10M1/00; C10M1/08; C11; C11B; C11B5/00; C11B5/0042; C10M2215/00; C10M2215/10; C10M2215/102; C10N; C10N2050/00; C10N2050/10; Y; Y10; Y10S; Y10S524/00; Y10S524/925
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
ORGANIC MATERIAL TENDING TO DETERIORATE IN STORAGE CONTAINING, IN A SMALL BUT SUFFICENT AMOUNT TO RETARD SAID DETERIORATION, A HYDROCARBON SUBSITTUTED BIURET CONTAINING AT LEST 8 CARBON ATOMS PER MOLECULE AND HAVING A HYDROCARBON SUBSTITUENT SELECTED FROM THE GROUP CONSISTING OF ALKYL, ARYL AND ALKARYL RADICALS.
Claim 2
Dependent Claim
46 words
ORGANIC MATERIAL TENDING TO DETERIORATE IN STORAGE CONTAINING, IN A SMALL BUT SUFFICENT AMOUNT TO RETARD SAID DETERIORATION, A HYDROCARBON SUBSITTUTED BIURET CONTAINING AT LEST 8 CARBON ATOMS PER MOLECULE AND HAVING A HYDROCARBON SUBSTITUENT SELECTED FROM THE GROUP CONSISTING OF ALKYL, ARYL AND ALKARYL RADICALS.
References Cited (Backward Citations)
US2043257A
Cited
US2657984A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-18 | 1961-05-20 | 1961-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-18 | 1965-05-20 | 1965-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-18 | 1969-05-20 | 1969-11-19 | $7700.00 | Window Closed / Lapsed |