Patent US3258490A successfully refreshed from Google Patents.
US3258490A
Expired / Lapsed
US
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Alkylene polyamine complexes with lithium perchlorate and method of producing them
Assignee: Monsanto Research Corp
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Filing: 1962-07-02
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Granted: 1966-06-28
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Expires: 1982-07-02
Abstract
No abstract record available.
Inventors
- 👤 Stanley F Bedell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:57
CPC Classifications
C; C07; C07F; C07F1/00; C07F1/005; C01; C01B; C01B11/00; C01B11/16; C01B11/18; Y; Y10; Y10T; Y10T436/00; Y10T436/25; Y10T436/25125
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
THE HIGH-MELTING 1:1 MOLAR COMPLEX COMPOUNDS OF LITHIUM PERCHLORATE WITH ALKYLENE AMINES CONTAINING FROM 3 TO 10 CARBON ATOMS, SELECTED FROM THE CLASS CONSISTING OF ALKYLENE DIAMINES AND DIALKYLENE TRIAMINES, WHEREIN SAID ALKYLENE RADICALS ARE SATURATED ALIPHATIC HYDROCARBON RADICALS, SITUATED BETWEEN TERMINAL AMINE GROUPS.
Claim 2
Dependent Claim
44 words
THE HIGH-MELTING 1:1 MOLAR COMPLEX COMPOUNDS OF LITHIUM PERCHLORATE WITH ALKYLENE AMINES CONTAINING FROM 3 TO 10 CARBON ATOMS, SELECTED FROM THE CLASS CONSISTING OF ALKYLENE DIAMINES AND DIALKYLENE TRIAMINES, WHEREIN SAID ALKYLENE RADICALS ARE SATURATED ALIPHATIC HYDROCARBON RADICALS, SITUATED BETWEEN TERMINAL AMINE GROUPS.
References Cited (Backward Citations)
US2686798A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-27 | 1969-12-27 | 1970-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-27 | 1973-12-27 | 1974-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $7700.00 | Window Closed / Lapsed |