US2643266A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of nitrogen containing compounds from ammonia and olefins
Assignee: Sinclair Refining Co
•
Filing: 1946-04-05
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Granted: 1953-06-23
•
Expires: 1966-04-05
Abstract
No abstract record available.
Inventors
- 👤 John W Teter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:52
CPC Classifications
C; C07; C07C; C07C253/00; C07C253/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
IN A PROCESS FOR PRODUCING ORGANIC NITROGEN-CONTAINING PRODUCTS INCLUDING NITRILES FROM AMMONIA AND OLEFIN, THE IMPROVEMENT WHICH CONSISTS OF PASSING A MIXTURE CONTAINING AMMONIA AND THE OLEFIN THE AMMONIA BEING PRESENT IN SUBSTANTIAL EXCESS THROUGH A BED OF A CATALYST EFFECTIVE FOR THE PRODUCTION OF ORGANIC NITROGEN-CONTAINING PRODUCTS BY THE DIRECT REACTION OF AMMONIA WITH OLEFINS, SAID CATALYST BEING IN THE FORM OF PELLETS OR GRANULES, EACH PELLET OR GRANULE CONSISTING OF AN AGGLOMERATE OF REDUCED COBALT OXIDE DEPOSITED ON DIATOMACEOUS EARTH, SAID PELLETS OR GRANULES HAVING APPARENT BULK DENSITY BETWEEN 0.75 AND 1.3, A SURFACE AREA AS DETERMINED BY NITROGEN ABSORPTION ISOTHERM PROCEDURE WITH CALCULATION BY THE BRUNAUER, EMMETT AND TELLER METHOD IN EXCESS OF 120 SQUARE METERS PER GRAM, A SODIUM CONTENT NOT IN EXCESS OG ABOUT 1.0%, A SULFATE CONTENT NOT IN EXCESS OF ABOUT 0.2% AND A CHLORIDE CONTENT NOT IN EXCESS OF ABOUR 0.1%.
Claim 2
Dependent Claim
149 words
IN A PROCESS FOR PRODUCING ORGANIC NITROGEN-CONTAINING PRODUCTS INCLUDING NITRILES FROM AMMONIA AND OLEFIN, THE IMPROVEMENT WHICH CONSISTS OF PASSING A MIXTURE CONTAINING AMMONIA AND THE OLEFIN THE AMMONIA BEING PRESENT IN SUBSTANTIAL EXCESS THROUGH A BED OF A CATALYST EFFECTIVE FOR THE PRODUCTION OF ORGANIC NITROGEN-CONTAINING PRODUCTS BY THE DIRECT REACTION OF AMMONIA WITH OLEFINS, SAID CATALYST BEING IN THE FORM OF PELLETS OR GRANULES, EACH PELLET OR GRANULE CONSISTING OF AN AGGLOMERATE OF REDUCED COBALT OXIDE DEPOSITED ON DIATOMACEOUS EARTH, SAID PELLETS OR GRANULES HAVING APPARENT BULK DENSITY BETWEEN 0.75 AND 1.3, A SURFACE AREA AS DETERMINED BY NITROGEN ABSORPTION ISOTHERM PROCEDURE WITH CALCULATION BY THE BRUNAUER, EMMETT AND TELLER METHOD IN EXCESS OF 120 SQUARE METERS PER GRAM, A SODIUM CONTENT NOT IN EXCESS OG ABOUT 1.0%, A SULFATE CONTENT NOT IN EXCESS OF ABOUT 0.2% AND A CHLORIDE CONTENT NOT IN EXCESS OF ABOUR 0.1%.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-22 | 1956-12-22 | 1957-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-22 | 1960-12-22 | 1961-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-22 | 1964-12-22 | 1965-06-23 | $7700.00 | Window Closed / Lapsed |