US3200166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Purification of unsaturated product
Assignee: Petro Tex Chemical Corp
•
Filing: 1962-03-13
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Granted: 1965-08-10
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Expires: 1982-03-13
Abstract
No abstract record available.
Inventors
- 👤 Richard F Bojanowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:23
CPC Classifications
C; C07; C07C; C07C11/00; C07C11/12; C07C11/16; C07C11/167; C01; C01B; C01B7/00; C01B7/09; C01B7/093; C07C5/00; C07C5/32; C07C5/327; C07C5/333; C07C7/00; C07C7/148; C07C7/14858; Y; Y10; Y10S; Y10S585/00; Y10S585/8995; Y10S585/904
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A PROCESS FOR THE REMOVAL OF BROMINE COMPOUNDS FROM A GASEOUS MIXTURE COMPRISING ETHYLENICALLY UNSATURATED ORGANIC COMPOUNDS AND STEAM, THE SAID MIXTURE BEING CONTAMINATED WITH INORGANIC BROMINE AND METHYL BROMIDE, WHICH COMPRISES (1) COOLING THE GASEOUS MIXTURE TO CONDENSE AN AQUEOUS PHASE CONTAINING INORGANIC BROMINE, (2) SEPARATING THE CONDENSED AQUEOUS PHASE CONTAINING INORGANIC BROMINE, (3) LIQUIFYING THE REMAINING GASEOUS MIXTURE OF METHYL BROMIDE AND ETHYLENICALLY UNSATURATED ORGANIC COMPOUNDS, (4) CONTACTING THE LIQUIFIED MIXTURE OF METHYL BROMIDE AND ETHYLENICALLY UNSATURATED ORGANIC COMPOUNDS AT A TEMPERATURE WITHIN THE RANGE OF ABOUT 75* F. TO ABOUT 200*F. WITH AMMONIA IN AN AMOUNT OF AT LEAST 20 MOLS OF AMMONIA PER MOL OF METHYL BROMIDE, AND (5) SEPARATING THE REACTION PRODUCT OF THE METHYL BROMIDE WITH AMMONIA FROM THE ETHYLENICALLY UNSATURATED ORGANIC COMPOUNDS.
Claim 2
Dependent Claim
129 words
A PROCESS FOR THE REMOVAL OF BROMINE COMPOUNDS FROM A GASEOUS MIXTURE COMPRISING ETHYLENICALLY UNSATURATED ORGANIC COMPOUNDS AND STEAM, THE SAID MIXTURE BEING CONTAMINATED WITH INORGANIC BROMINE AND METHYL BROMIDE, WHICH COMPRISES (1) COOLING THE GASEOUS MIXTURE TO CONDENSE AN AQUEOUS PHASE CONTAINING INORGANIC BROMINE, (2) SEPARATING THE CONDENSED AQUEOUS PHASE CONTAINING INORGANIC BROMINE, (3) LIQUIFYING THE REMAINING GASEOUS MIXTURE OF METHYL BROMIDE AND ETHYLENICALLY UNSATURATED ORGANIC COMPOUNDS, (4) CONTACTING THE LIQUIFIED MIXTURE OF METHYL BROMIDE AND ETHYLENICALLY UNSATURATED ORGANIC COMPOUNDS AT A TEMPERATURE WITHIN THE RANGE OF ABOUT 75* F. TO ABOUT 200*F. WITH AMMONIA IN AN AMOUNT OF AT LEAST 20 MOLS OF AMMONIA PER MOL OF METHYL BROMIDE, AND (5) SEPARATING THE REACTION PRODUCT OF THE METHYL BROMIDE WITH AMMONIA FROM THE ETHYLENICALLY UNSATURATED ORGANIC COMPOUNDS.
References Cited (Backward Citations)
US2901520A
Cited
US2967671A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |