US3787416A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-oxyalkyl-n'-hydrocarbyl-hexahydropyrimidines
Assignee: Universal Oil Products Co
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Filing: 1971-12-30
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Granted: 1974-01-22
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Expires: 1991-12-30
Abstract
Abstract N-HYDROXYALKYL-N''-HYDROCARBYL-HEXAHYDROPYRIMIDINES OR N-ALKOXYALKYL-N''-HYDROCARBYL-HEXAHYDROPYRIMIDINES IN WHICH THE HYDROCARBYL IS SEC-ALKYL OR CYCLOALKYL. A REPRESENTATIVE COMPOUND IS N-METHOXYETHYL=N''-CYCLOHEXYLHEXAHYDROPYRIMIDINE. THE NOVEL COMPOUNDS POSSESS UTILITY AS ADDITIVIES TO RETARD DETERIORATION OF ORGANIC SUBSTANCES DUE TO WEATHERING, OXIDATION, CORROSION ETC., CURING CATALYSTS FOR URETHANES, INTERMIDATES FOR PREPARING PHARMACEUTICALS ETC.
Inventors
- 👤 H Cyba
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:14
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/08; C07D295/084; C07D295/088; C07D239/00; C07D239/02; C07D239/04; C07F; C07F5/00; C07F5/02; C07F5/04; C08; C08G; C08G18/00; C08G18/06; C08G18/08; C08G18/16; C08G18/18; C08G18/20; C08G18/2009; C08G18/2027; C08K; C08K5/00; C08K5/16; C08K5/34; C08K5/3442; C08K5/3462; C09; C09K; C09K15/00; C09K15/04; C09K15/30; C09K15/32; C09K15/328; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/232; C10M; C10M1/00; C10M1/08; C10M139/00; C10M2227/00; C10M2227/06; C10M2227/061; C10N; C10N2030/00; C10N2030/12; C10N2040/00; C10N2040/02; C10N2040/135; C10N2040/14; C10N2040/16; C10N2040/17; C10N2040/175; C10N2040/18; C10N2040/185; C10N2040/20; C10N2040/22; C10N2040/24; C10N2040/241; C10N2040/242; C10N2040/243; C10N2040/244; C10N2040/245; C10N2040/246; C10N2040/247; C10N2040/25; C10N2040/252; C10N2040/253; Y; Y10; Y10S; Y10S524/00; Y10S524/925
Claims Analysis
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-01-21 | 1977-07-23 | 1978-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-21 | 1981-07-23 | 1982-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-21 | 1985-07-23 | 1986-01-22 | $7700.00 | Window Closed / Lapsed |