Patent US3147310A successfully refreshed from Google Patents.
US3147310A
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Preparation of amines
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1962-04-06
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Granted: 1964-09-01
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Expires: 1982-04-06
Abstract
No abstract record available.
Inventors
- 👤 Stanley J Brois
- 👤 Alfred J Rutkowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:53
CPC Classifications
C; C07; C07C; C07C209/00; C07C209/64; C07C209/60; C07C209/68; C07C211/00; C07C211/01; C07C211/02; C07C211/03; C07C211/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
PROCESS FOR PREPARING AMINES WHICH COMPRISES CONTACTING NITRIC OXIDE WITH A GROUP IIIA METAL POLYHYDROCARBYL COMPOUND EACH HYDROCARBYL GROUP OF WHICH CONTAINS 2 TO 18 CARBON ATOMS AT A TEMPERATURE ABOVE ABOUT 100*C. TO FORM AN AMINE PRODUCT AND DISTILLING THE RESULTANT MIXTURE TO RECOVER SAID PRODUCT.
Claim 2
Dependent Claim
47 words
PROCESS FOR PREPARING AMINES WHICH COMPRISES CONTACTING NITRIC OXIDE WITH A GROUP IIIA METAL POLYHYDROCARBYL COMPOUND EACH HYDROCARBYL GROUP OF WHICH CONTAINS 2 TO 18 CARBON ATOMS AT A TEMPERATURE ABOVE ABOUT 100*C. TO FORM AN AMINE PRODUCT AND DISTILLING THE RESULTANT MIXTURE TO RECOVER SAID PRODUCT.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |