Patent US3264341A successfully refreshed from Google Patents.
US3264341A
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Preparation of dicyanoethylated fatty amines
Assignee: Armour and Co
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Filing: 1961-07-03
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Granted: 1966-08-02
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Expires: 1981-07-03
Abstract
No abstract record available.
Inventors
- 👤 Murray C Cooperman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:21
CPC Classifications
C; C07; C07C; C07C255/00; C08; C08K; C08K5/00; C08K5/16; C08K5/17; C09; C09K; C09K3/00; C09K3/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
IN A PROCESS FOR THE PREPARATION OF DICYANOETHYL FATTY AMINES, WHEREIN SAID FATTY GROUP CONTAINS FROM 8 TO 22 CARBON ATOMS, IN WHICH PRIMARY FATTY AMINES CONTAINING FROM 8 TO 22 CARBON ATOMS ARE DICYANOETHYLATED; THE IMPROVEMENT OF FORMING SAID DICYANOETHYL AMINE BY HEATING AT AUTOGENOUS PRESSURE A PRIMARY FATTY AMINE CONTAINING FROM 8 TO 22 CARBON ATOMS WITH AN EXCESS OF THE STOICHIOMETRIC AMOUNT OF ACRYLONITRILE AND A PROTON TRANSFER CATALYST SELECTED FROM THE GROUP CONSISTING OF WATER, METHANOL, MORPHOLINE, AND MIXTURES THEREOF, SAID PROTON TRANSFER CATALYST BEING PRESENT IN FROM 1 TO 10 PERCENT BY WEIGHT BASED ON THE TOTAL WEIGHT OF THE REACTANTS, AND SAID HEATING BEING CARRIED OUT IN TWO STAGES, THE FIRST STAGE OF MAINTAINING TEMPERATURES OF ABOUT 100* TO 130*C. FOR ABOUT 1 HOUR AND THE SECOND STAGE OF MAINTAINING TEMPERATURES OF ABOUT 135* TO 180*C. FOR ABOUT 3 TO 40 HOURS.
Claim 2
Dependent Claim
148 words
IN A PROCESS FOR THE PREPARATION OF DICYANOETHYL FATTY AMINES, WHEREIN SAID FATTY GROUP CONTAINS FROM 8 TO 22 CARBON ATOMS, IN WHICH PRIMARY FATTY AMINES CONTAINING FROM 8 TO 22 CARBON ATOMS ARE DICYANOETHYLATED; THE IMPROVEMENT OF FORMING SAID DICYANOETHYL AMINE BY HEATING AT AUTOGENOUS PRESSURE A PRIMARY FATTY AMINE CONTAINING FROM 8 TO 22 CARBON ATOMS WITH AN EXCESS OF THE STOICHIOMETRIC AMOUNT OF ACRYLONITRILE AND A PROTON TRANSFER CATALYST SELECTED FROM THE GROUP CONSISTING OF WATER, METHANOL, MORPHOLINE, AND MIXTURES THEREOF, SAID PROTON TRANSFER CATALYST BEING PRESENT IN FROM 1 TO 10 PERCENT BY WEIGHT BASED ON THE TOTAL WEIGHT OF THE REACTANTS, AND SAID HEATING BEING CARRIED OUT IN TWO STAGES, THE FIRST STAGE OF MAINTAINING TEMPERATURES OF ABOUT 100* TO 130*C. FOR ABOUT 1 HOUR AND THE SECOND STAGE OF MAINTAINING TEMPERATURES OF ABOUT 135* TO 180*C. FOR ABOUT 3 TO 40 HOURS.
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) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |