US3197510A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N1-secondary-alkyl-aminoalkyl alkanolamines
Assignee: Universal Oil Products Co
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Filing: 1962-03-01
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Granted: 1965-07-27
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Expires: 1982-03-01
Abstract
No abstract record available.
Inventors
- 👤 Henryk A Cyba
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:08
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/222; C10L1/2222; C10L1/2225; C10M; C10M1/00; C10M1/08; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/24; C10M2215/26; C10M2217/00; C10M2217/04; C10M2217/046; C10M2217/06; C10N; 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; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
A COMPOUND OF THE FOLLOWING FORMULA: R-CH(-R'')-NH-(CH(-R"))N-NH-(CH(-R"))N-OH WHERE R AND R1 ARE ALKYL AND THE TOTAL NUMBER OF CARBON ATOMS IN R AND R1 IS FROM 2 TO ABOUT 50, N IS FROM 2 TO 4, AND R" IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND ALKYL OF FROM 2 TO 8 CARBON ATOMS.
Claim 2
Dependent Claim
55 words
A COMPOUND OF THE FOLLOWING FORMULA: R-CH(-R'')-NH-(CH(-R"))N-NH-(CH(-R"))N-OH WHERE R AND R1 ARE ALKYL AND THE TOTAL NUMBER OF CARBON ATOMS IN R AND R1 IS FROM 2 TO ABOUT 50, N IS FROM 2 TO 4, AND R" IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND ALKYL OF FROM 2 TO 8 CARBON ATOMS.
References Cited (Backward Citations)
US2362464A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |