US3240820A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the separation of boric acid from organic liquids
Assignee: Halcon Research and Development Corp
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Filing: 1962-01-16
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Granted: 1966-03-15
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Expires: 1982-01-16
Abstract
No abstract record available.
Inventors
- 👤 Olenberg Harry
- 👤 Kantrowitz Lionel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:14
CPC Classifications
C; C07; C07C; C07C29/00; C07C29/48; C07C29/50; C07C29/52; C01; C01B; C01B35/00; C01B35/06; C01B35/08; C01B35/10; C07C2601/00; C07C2601/12; C07C2601/14
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
125 words
IN A PROCESS WHEREIN A HYDROCARBON IS OXIDIZED WITH OXYGEN AND BORIC ACID IS ADDED TO IMPROVE THE OXIDATION SELECTIVELY TO PRODUCT ALCOHOL, A LIQUID REACTION PRODUCT CONTAINING A MIXTURE OF UNREACTED HYDROCARBON AND HYDROCARBON BORATE ESTER IS FORMED, SAID ESTER IS HYDROLYZED WITH WATER TO FORM SOLID BORIC ACID ADMIXED WITH A WATER IMMISICIBLE LIQUID CONTAINING SAID UNREACTED HYDROCARBON AND PRODUCT ALCOHOL AND THE SOLID BORIC ACID IS THEREAFTER SEPARATED BY CENTRIFUGATION, THE IMPROVEMENT WHICH COMPRISES INCORPORATING IN SAID LIQUID REACTION PRODUCT MIXTURE SUFFICIENT WATER IN ADDITION TO THAT REQUIRED FOR SAID HYDROLYSIS TO AT LEAST SATURATE SAID IMMISICIBLE LIQUID WHEREBY THE RATE OF FILTRATION IN SAID CENTRIFUGAL SEPARATION STEP IS INCREASED, AND THEREAFTER CENTRIGUGING THE WATER CONTAINING MIXTURE TO SEPARATE SAID BORIC ACID.
Claim 2
Dependent Claim
125 words
IN A PROCESS WHEREIN A HYDROCARBON IS OXIDIZED WITH OXYGEN AND BORIC ACID IS ADDED TO IMPROVE THE OXIDATION SELECTIVELY TO PRODUCT ALCOHOL, A LIQUID REACTION PRODUCT CONTAINING A MIXTURE OF UNREACTED HYDROCARBON AND HYDROCARBON BORATE ESTER IS FORMED, SAID ESTER IS HYDROLYZED WITH WATER TO FORM SOLID BORIC ACID ADMIXED WITH A WATER IMMISICIBLE LIQUID CONTAINING SAID UNREACTED HYDROCARBON AND PRODUCT ALCOHOL AND THE SOLID BORIC ACID IS THEREAFTER SEPARATED BY CENTRIFUGATION, THE IMPROVEMENT WHICH COMPRISES INCORPORATING IN SAID LIQUID REACTION PRODUCT MIXTURE SUFFICIENT WATER IN ADDITION TO THAT REQUIRED FOR SAID HYDROLYSIS TO AT LEAST SATURATE SAID IMMISICIBLE LIQUID WHEREBY THE RATE OF FILTRATION IN SAID CENTRIFUGAL SEPARATION STEP IS INCREASED, AND THEREAFTER CENTRIGUGING THE WATER CONTAINING MIXTURE TO SEPARATE SAID BORIC ACID.
Claim 3
Dependent Claim
122 words
IN A PROCESS WHEREIN CYCLOHEXANE IS OXIDIZED WITH OXYGEN AND BORIC ACID IS ADDED TO IMPROVE THE OXIDATION SELECTIVITY TO CYCLOHEXANOL, A LIQUID REACTION PRODUCT CONTAINING A MIXTURE OF UNREACTED CYCLOHEXANE AND CYCLOHEXYL BORATE ESTER IS FORMED, SAID ESTER IS HYDROLYZED WITH WATER TO FORM SOLID BORIC ACID ADMIXED WITH A WATER IMMISCIBLE LIQUID CONTAINING SAID UNREACTED CYCLOHEXANE AND CYCLOHEXANOL AND THE SOLID BORIC ACID IS THEREAFTER SEPARATED BY CENTRIFUGATION, THE IMPROVEMENT WHICH COMPRISES INCORPORATING IN SAID LIQUID REACTION PRODUCT MIXTURE SUFFICIENT WATER IN ADDITION TO THAT REQUIRED FOR SAID HYDROLYSIS TO AT LEAST SATURATE SAID IMMISCIBLE LIQUID WHEREBY THE RATE OF FILTRATION IN SAID CENTRIFUGAL SEPARATION STEP IS INCREASED, AND THEREAFTER CENTRIFUGING THE WATER CONTAINING MIXTURE TO SEPARATE SAID BORIC ACID.
Claim 4
Dependent Claim
122 words
IN A PROCESS WHEREIN CYCLOHEXANE IS OXIDIZED WITH OXYGEN AND BORIC ACID IS ADDED TO IMPROVE THE OXIDATION SELECTIVITY TO CYCLOHEXANOL, A LIQUID REACTION PRODUCT CONTAINING A MIXTURE OF UNREACTED CYCLOHEXANE AND CYCLOHEXYL BORATE ESTER IS FORMED, SAID ESTER IS HYDROLYZED WITH WATER TO FORM SOLID BORIC ACID ADMIXED WITH A WATER IMMISCIBLE LIQUID CONTAINING SAID UNREACTED CYCLOHEXANE AND CYCLOHEXANOL AND THE SOLID BORIC ACID IS THEREAFTER SEPARATED BY CENTRIFUGATION, THE IMPROVEMENT WHICH COMPRISES INCORPORATING IN SAID LIQUID REACTION PRODUCT MIXTURE SUFFICIENT WATER IN ADDITION TO THAT REQUIRED FOR SAID HYDROLYSIS TO AT LEAST SATURATE SAID IMMISCIBLE LIQUID WHEREBY THE RATE OF FILTRATION IN SAID CENTRIFUGAL SEPARATION STEP IS INCREASED, AND THEREAFTER CENTRIFUGING THE WATER CONTAINING MIXTURE TO SEPARATE SAID BORIC ACID.
References Cited (Backward Citations)
US2833623A
Cited
US3011871A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |