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US2987547A
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Nu, nu, nu', nu', nu'', nu'' hexasubstituted-1, 2, 3-triamino-propanes
Assignee: Phillips Petroleum Co
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Filing: 1957-01-31
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Granted: 1961-06-06
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Expires: 1977-01-31
Abstract
No abstract record available.
Inventors
- 👤 John E Mahan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:00
CPC Classifications
C; C07; C07C; C07C209/00; C07C209/04; C07C209/06; C07C209/08; C06; C06B; C06B43/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
AS NEW COMPOUNDS N,N,N'',N'',N",N"-HEXASUBSTITUTED-1,2,3-TRI-AMINOPROPANES OF THE FORMULA
Claim 2
Dependent Claim
7 words
AS NEW COMPOUNDS N,N,N'',N'',N",N"-HEXASUBSTITUTED-1,2,3-TRI-AMINOPROPANES OF THE FORMULA
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) | 1964-06-05 | 1964-12-05 | 1965-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-05 | 1968-12-05 | 1969-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-05 | 1972-12-05 | 1973-06-06 | $7700.00 | Window Closed / Lapsed |