US2629751A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrogenated 1, 1, 3-trimethyl-3-phenyl indane
Assignee: Dow Chemical Co
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Filing: 1950-01-26
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Granted: 1953-02-24
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Expires: 1970-01-26
Abstract
No abstract record available.
Inventors
- 👤 Glenn C Wiggins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:04
CPC Classifications
C; C07; C07C; C07C13/00; C07C13/28; C07C13/32; C07C13/45; C07C13/465; C07C5/00; C07C5/02; C07C5/10; C07C2523/00; C07C2523/38; C07C2523/40; C07C2523/44; C07C2523/70; C07C2523/74; C07C2523/755; C07C2601/00; C07C2601/12; C07C2601/14; C07C2602/00; C07C2602/02; C07C2602/04; C07C2602/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A METHOD OF MAKING 1,1,3-TRIMETHYL-3-CYCLOHEXYL INDANE WHICH COMPRISES SUBJECTING 1,1,3TRIMETHYL-3-PHENYL INDANE TO HYDROGEN AT A PRESSURE OF FROM 150 TO 600 POUNDS PER SQUARE INCH AND A REACTION TEMPERATURE BETWEEN 150* AND 350* C. IN THE PRESENCE OF A HYDROGENATION CATALYST SELECTED FROM THE GROUP CONSISTING OF NICKEL AND PALLADIUM UNTIL THE CHEMICAL ADDITION OF SIX ATOMS OF HYDROGEN PER MOLE OF THE 1,1,3-TRIMETHYL-3-PHENYL IDANE IS OBTAINED, THEN DISCONTINUING THE HYDROGENATION REACTION.
Claim 2
Independent Claim
72 words
A METHOD OF MAKING 1,1,3-TRIMETHYL-3-CYCLOHEXYL INDANE WHICH COMPRISES SUBJECTING 1,1,3TRIMETHYL-3-PHENYL INDANE TO HYDROGEN AT A PRESSURE OF FROM 150 TO 600 POUNDS PER SQUARE INCH AND A REACTION TEMPERATURE BETWEEN 150* AND 350* C. IN THE PRESENCE OF A HYDROGENATION CATALYST SELECTED FROM THE GROUP CONSISTING OF NICKEL AND PALLADIUM UNTIL THE CHEMICAL ADDITION OF SIX ATOMS OF HYDROGEN PER MOLE OF THE 1,1,3-TRIMETHYL-3-PHENYL IDANE IS OBTAINED, THEN DISCONTINUING THE HYDROGENATION REACTION.
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) | 1956-02-24 | 1956-08-25 | 1957-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-24 | 1960-08-25 | 1961-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-24 | 1964-08-25 | 1965-02-24 | $7700.00 | Window Closed / Lapsed |