Patent US2684984A successfully refreshed from Google Patents.
US2684984A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of cyclic alcohols and ketones
Assignee: Shell Development Co
•
Filing: 1952-03-31
•
Granted: 1954-07-27
•
Expires: 1972-03-31
Abstract
No abstract record available.
Inventors
- 👤 Harry De V Finch
- 👤 Kenneth E Furman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:21
CPC Classifications
C; C07; C07C; C07C29/00; C07C29/48; C07C29/50; C07C45/00; C07C45/27; C07C45/32; C07C45/33; C07C2601/00; C07C2601/12; C07C2601/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
THE PROCESS FOR THE CONVERSION OF A CYCLOPARAFFIN TO REACTION PRODUCTS CONSISTING ESSENTIALLY OF THE CORRESPONDING CYCLIC ALCOHOLS AND CYCLIC KETONES WHICH COMPRISES CONTACTING SAID CYCLOPARAFFIN WITH A MOLECULAR OXYGEN-CONTAINING GASEOUS STREAM AT A TEMPERATURE OF FROM ABOUT 100* C. TO ABOUT 180* C. IN THE PRESENCE OF AN AMOUNT OF A MONOBASIC ALIPHATIC CARBOXYLIC ACID HAVING FROM 1 TO 6 CARBON ATOMS TO THE MOLECULE IN THE RANGE OF FROM ABOUT 0.005 TO ABOUT 0.1 MOLE OF SAID CARBOXYLIC ACID PER MOLE OF SAID CYCLOPARAFFIN AS ESSENTIALLY THE SOLE CATALYST FOR SAID CONVERSION.
Claim 2
Dependent Claim
94 words
THE PROCESS FOR THE CONVERSION OF A CYCLOPARAFFIN TO REACTION PRODUCTS CONSISTING ESSENTIALLY OF THE CORRESPONDING CYCLIC ALCOHOLS AND CYCLIC KETONES WHICH COMPRISES CONTACTING SAID CYCLOPARAFFIN WITH A MOLECULAR OXYGEN-CONTAINING GASEOUS STREAM AT A TEMPERATURE OF FROM ABOUT 100* C. TO ABOUT 180* C. IN THE PRESENCE OF AN AMOUNT OF A MONOBASIC ALIPHATIC CARBOXYLIC ACID HAVING FROM 1 TO 6 CARBON ATOMS TO THE MOLECULE IN THE RANGE OF FROM ABOUT 0.005 TO ABOUT 0.1 MOLE OF SAID CARBOXYLIC ACID PER MOLE OF SAID CYCLOPARAFFIN AS ESSENTIALLY THE SOLE CATALYST FOR SAID CONVERSION.
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) | 1957-07-26 | 1958-01-25 | 1958-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-26 | 1962-01-25 | 1962-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-26 | 1966-01-25 | 1966-07-27 | $7700.00 | Window Closed / Lapsed |