US2826604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of decahydronaphthyl acetate
Assignee: Houdry Process Corp
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Filing: 1955-06-02
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Granted: 1958-03-11
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Expires: 1975-06-02
Abstract
No abstract record available.
Inventors
- 👤 William E Erner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:07
CPC Classifications
C; C11; C11B; C11B9/00; C11B9/0042; C11B9/0046; C11B9/0049; C11B9/0053; C07; C07C; C07C29/00; C07C29/09; C07C29/095; C07C45/00; C07C45/27; C07C45/29; C07C45/292; C07C67/00; C07C67/035; C12; C12C; C12C11/00; C12C11/02; C07C2602/00; C07C2602/02; C07C2602/14; C07C2602/26; C07C2602/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
THE METHOD OF PRODUCING 1-DECAHYDRONAPHTHYL ACETATE WHICH COMPRISES OXIDIZING LIQUID DECAHYDRONAPHTHALENE WITH OXYGEN IN THE PRESENCE OF FROM 0.6 TO 0.9 PART OF ACETIC ANHYDRIDE PER PART OF DECAHYDRONAPHTHALENE AND IN THE PRESENCE OF COBALT ACETATE AT REFLUX TEMPERATURE, DISTILLING THE REACTION MIXTURE AT REDUCED PRESSURE TO DRIVE OFF ACETIC ACID AND A PORTION OF THE DECAHYDRONAPHTHALENE, NEUTRALIZING THE RESIDUE TO REMOVE TRACES OF ACID, AND DISTILLING THE NEUTRALIZED RESIDUE AT REDUCED PRESSURE TO RECOVER 1-DECAHYDRONAPHTHYL ACETATE.
Claim 2
Independent Claim
77 words
THE METHOD OF PRODUCING 1-DECAHYDRONAPHTHYL ACETATE WHICH COMPRISES OXIDIZING LIQUID DECAHYDRONAPHTHALENE WITH OXYGEN IN THE PRESENCE OF FROM 0.6 TO 0.9 PART OF ACETIC ANHYDRIDE PER PART OF DECAHYDRONAPHTHALENE AND IN THE PRESENCE OF COBALT ACETATE AT REFLUX TEMPERATURE, DISTILLING THE REACTION MIXTURE AT REDUCED PRESSURE TO DRIVE OFF ACETIC ACID AND A PORTION OF THE DECAHYDRONAPHTHALENE, NEUTRALIZING THE RESIDUE TO REMOVE TRACES OF ACID, AND DISTILLING THE NEUTRALIZED RESIDUE AT REDUCED PRESSURE TO RECOVER 1-DECAHYDRONAPHTHYL ACETATE.
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) | 1961-03-10 | 1961-09-09 | 1962-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-10 | 1965-09-09 | 1966-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-10 | 1969-09-09 | 1970-03-11 | $7700.00 | Window Closed / Lapsed |