US3240574A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of organic compounds
Assignee: Universal Oil Products Co
•
Filing: 1961-08-09
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Granted: 1966-03-15
•
Expires: 1981-08-09
Abstract
No abstract record available.
Inventors
- 👤 Henryk A Cyba
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:47
CPC Classifications
C; C07; C07D; C07D263/00; C07D263/02; C07D263/04; C09; C09K; C09K15/00; C09K15/04; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10M; C10M1/00; C10M1/08; C11; C11B; C11B5/00; C11B5/0042; C11B5/005; C10L1/222; C10L1/2222; C10L1/2225; C10L1/228; C10L1/2283; C10L1/232; C10L1/233; C10M2201/00; C10M2201/08; C10M2201/081; C10M2201/082; C10M2201/084; C10M2205/00; C10M2205/02; C10M2205/026; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/026; C10M2207/027; C10M2207/04; C10M2207/046; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/06; C10M2215/062; C10M2215/064; C10M2215/065; C10M2215/066; C10M2215/14; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/30; C10M2219/00; C10M2219/02; C10M2219/024; C10M2219/04; C10M2219/044; C10M2219/06; C10M2219/062; C10M2219/066; C10M2219/068; C10M2219/08; C10M2219/082; C10M2219/086; C10M2219/10; C10M2219/104; C10M2219/108; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/12; C10M2225/00; C10M2225/04; C10N; C10N2010/00; C10N2010/04; C10N2030/00; C10N2030/12; C10N2040/00; C10N2040/135; C10N2040/20; C10N2040/22; C10N2040/24; C10N2040/241; C10N2040/242; C10N2040/243; C10N2040/244; C10N2040/245; C10N2040/246; C10N2040/247; C10N2050/00; C10N2050/015; C10N2050/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
HYDROCARBON OIL NORMALLY TENDING TO DETERIORATE CONTAINING AN INHIBITOR COMPRISING THE PRODUCT RESULTING FROM THE REACTION OF 1,3 - DIAMINO -2 - PROPANOL WITH AN ALKYL KETONE HAVING AT LEAST 8 CARBON ATOMS IN A PROPORTION OF FROM 1 TO 2 MOLS OF KETONE PER MOL OF DIAMINO PROPANOL.
Claim 2
Dependent Claim
49 words
HYDROCARBON OIL NORMALLY TENDING TO DETERIORATE CONTAINING AN INHIBITOR COMPRISING THE PRODUCT RESULTING FROM THE REACTION OF 1,3 - DIAMINO -2 - PROPANOL WITH AN ALKYL KETONE HAVING AT LEAST 8 CARBON ATOMS IN A PROPORTION OF FROM 1 TO 2 MOLS OF KETONE PER MOL OF DIAMINO PROPANOL.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |