Patent US3128316A successfully refreshed from Google Patents.
US3128316A
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Reaction of tricyclic perhydroatromatic hydrocarbons
Assignee: Sunoco Inc
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Filing: 1962-08-07
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Granted: 1964-04-07
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Expires: 1982-08-07
Abstract
No abstract record available.
Inventors
- 👤 Schneider Abraham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:36
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/22; C07C5/27; C07C5/29; C07C5/2206; C07C5/2226; C07C5/2246; C07C5/2253; C07C5/2702; C07C5/271; C07C5/2718; C07C5/2721; C07C2527/00; C07C2527/06; C07C2527/08; C07C2527/10; C07C2527/11; C07C2527/125; C07C2527/126; C07C2603/00; C07C2603/02; C07C2603/04; C07C2603/22; C07C2603/24; C07C2603/56; C07C2603/58; C07C2603/70; C07C2603/74
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
METHOD OF PREPARING ADAMANTANES HAVING METHYL SUBSTITUENTS WHICH COMPRISES CONTACTING A PERHYDROAROMATIC HYDROCARBON HAVING THREE RINGS AND AT LEAST TWELVE CARBON ATOMS AT A TEMPERATURE IN THE RANGE OF -5 TO +50*C. WITH AN ALUMNIUM HALIDE CATALYST, AND CONTINUING SUCH CONTACT UNTIL AT LEAST A SUBSTANTIAL PROPORTION OF THE PERHYDROAROMATIC HAS BEEN CONVERTED TO HYDROCARBON PRODUCT HAVING ADAMANTANE STRUCTURE.
Claim 2
Dependent Claim
59 words
METHOD OF PREPARING ADAMANTANES HAVING METHYL SUBSTITUENTS WHICH COMPRISES CONTACTING A PERHYDROAROMATIC HYDROCARBON HAVING THREE RINGS AND AT LEAST TWELVE CARBON ATOMS AT A TEMPERATURE IN THE RANGE OF -5 TO +50*C. WITH AN ALUMNIUM HALIDE CATALYST, AND CONTINUING SUCH CONTACT UNTIL AT LEAST A SUBSTANTIAL PROPORTION OF THE PERHYDROAROMATIC HAS BEEN CONVERTED TO HYDROCARBON PRODUCT HAVING ADAMANTANE STRUCTURE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-07 | 1967-10-07 | 1968-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-07 | 1971-10-07 | 1972-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-07 | 1975-10-07 | 1976-04-07 | $7700.00 | Window Closed / Lapsed |