Patent US3420897A successfully refreshed from Google Patents.
US3420897A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of hydrocarbon oxidation mixtures
Assignee: Halcon Research and Development Corp
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Filing: 1965-05-07
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Granted: 1969-01-07
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Expires: 1985-05-07
Abstract
No abstract record available.
Inventors
- 👤 Joseph L Russell
- 👤 Harry Olenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:51
CPC Classifications
C; C07; C07C; C07C29/00; C07C29/48; C07C29/50; C07C29/52; C07C2601/00; C07C2601/12; C07C2601/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
IN A PROCESS FOR HYDROLYZING THE REACTION PRODUCTS CONTAINING 20 TO 95% UNREACTED CYCLOHEXANE RESULTING FROM THE MOLECULAR OXYGEN OXIDATION OF CYCLOHEXANE IN THE PRESENCE OF A BORON COMPOUND SELECTED FROM THE GROUP CONSISTING OF BORIC ACID, META BORIC ACID, TETRA BORIC ACID CONTACTING SAID REACTION PRODUCTS CONTAINING 20 TO 95% BY WEIGHT CYCLOHEXANE WITH WATER AT A TEMPERATUE IN THE RANGE OF ABOUT 10 TO 100*C.
Claim 2
Dependent Claim
67 words
IN A PROCESS FOR HYDROLYZING THE REACTION PRODUCTS CONTAINING 20 TO 95% UNREACTED CYCLOHEXANE RESULTING FROM THE MOLECULAR OXYGEN OXIDATION OF CYCLOHEXANE IN THE PRESENCE OF A BORON COMPOUND SELECTED FROM THE GROUP CONSISTING OF BORIC ACID, META BORIC ACID, TETRA BORIC ACID CONTACTING SAID REACTION PRODUCTS CONTAINING 20 TO 95% BY WEIGHT CYCLOHEXANE WITH WATER AT A TEMPERATUE IN THE RANGE OF ABOUT 10 TO 100*C.
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) | 1972-01-07 | 1972-07-08 | 1973-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-07 | 1976-07-08 | 1977-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-07 | 1980-07-08 | 1981-01-07 | $7700.00 | Window Closed / Lapsed |