US3017435A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of amines
Assignee: EIDP Inc
•
Filing: 1956-06-20
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Granted: 1962-01-16
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Expires: 1976-06-20
Abstract
No abstract record available.
Inventors
- 👤 Coffman Donald Drake
- 👤 Jenner Edward Levant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:31
CPC Classifications
C; C07; C07C; C07C209/00; C07C209/02
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
108 words
THE PROCESS FOR INTRODUCING AN AMINO RADICAL INTO THE HYDROCARBON GROUP OF A COMPOUND CONTAINING UP TO AND INCLUDING 8 CARBON ATOMS AND HAVING 1 TO 2 ETHYLENIC DOUBLE BONDS, SAID COMPOUND BEING A MEMBER OF THE GROUP CONSISTING OF ALIPHATIC HYDROCARBONS AND MONOSUBSTITUTED ALIPHATIC HYDROCABONS, THE SUBSTITUENT ON THE SUBSTITUENT HYDROCARBON BEING A MEMBER OF THE GROUP CONSISTING OF HYDROXYL AND CARBOXYL RADICALS, WHICH COMPRISES REACTING IN AN ORGANIC SOLVENT/WATER MEDIUM AT -30* TO +100*C, SAID COMPOUND WITH AMINO RADICALS GENERATED IN SITU BY THE ACTION OF A METALLIC REDUCING ION OF A METAL OF ATOMIC NUMBER 22 TO 24 ON A HYDROXYLAMINO COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
108 words
THE PROCESS FOR INTRODUCING AN AMINO RADICAL INTO THE HYDROCARBON GROUP OF A COMPOUND CONTAINING UP TO AND INCLUDING 8 CARBON ATOMS AND HAVING 1 TO 2 ETHYLENIC DOUBLE BONDS, SAID COMPOUND BEING A MEMBER OF THE GROUP CONSISTING OF ALIPHATIC HYDROCARBONS AND MONOSUBSTITUTED ALIPHATIC HYDROCABONS, THE SUBSTITUENT ON THE SUBSTITUENT HYDROCARBON BEING A MEMBER OF THE GROUP CONSISTING OF HYDROXYL AND CARBOXYL RADICALS, WHICH COMPRISES REACTING IN AN ORGANIC SOLVENT/WATER MEDIUM AT -30* TO +100*C, SAID COMPOUND WITH AMINO RADICALS GENERATED IN SITU BY THE ACTION OF A METALLIC REDUCING ION OF A METAL OF ATOMIC NUMBER 22 TO 24 ON A HYDROXYLAMINO COMPOUND HAVING THE FORMULA
Claim 3
Dependent Claim
55 words
THE PROCESS WHICH COMPRISES REACTING BUTADIENE WITH AMINO RADICALS IN A WATER/TERT, BUTYL ALCOHOL MEDIUM AT -30* TO +100*C, TO FORM DIAMINOOCTADIENE, SAID AMINO RADICALS BEING GENERATED IN SITU BY THE ACTION OF TITANOUS SULFATE ON HYDROXYLAMINE SULFATE, AND SAID BUTADIENE, SAID TITANOUS SULFATE AND SAID HYDROXYLAMINE SULFATE BEING USED IN SUBSTANTIALLY MOLECULARLY EQUIVALENT QUANTITIES.
Claim 4
Dependent Claim
55 words
THE PROCESS WHICH COMPRISES REACTING BUTADIENE WITH AMINO RADICALS IN A WATER/TERT, BUTYL ALCOHOL MEDIUM AT -30* TO +100*C, TO FORM DIAMINOOCTADIENE, SAID AMINO RADICALS BEING GENERATED IN SITU BY THE ACTION OF TITANOUS SULFATE ON HYDROXYLAMINE SULFATE, AND SAID BUTADIENE, SAID TITANOUS SULFATE AND SAID HYDROXYLAMINE SULFATE BEING USED IN SUBSTANTIALLY MOLECULARLY EQUIVALENT QUANTITIES.
References Cited (Backward Citations)
US2567109A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-15 | 1965-07-17 | 1966-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-15 | 1969-07-17 | 1970-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-15 | 1973-07-17 | 1974-01-16 | $7700.00 | Window Closed / Lapsed |