US3293286A
Expired / Lapsed
US
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Process for preparing terpenic esters with a phosphorus-containing catalyst
Assignee: Union Camp Corp
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Filing: 1964-02-06
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Granted: 1966-12-20
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Expires: 1984-02-06
Abstract
No abstract record available.
Inventors
- 👤 Robert L Webb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:45
CPC Classifications
B; B01; B01J; B01J31/00; B01J31/02; B01J31/0234; B01J31/0271; B01J31/0235; B01J31/0237; B01J31/0255; B01J31/0267; B01J31/0268; B01J31/26; B01J31/28; B01J31/30; C; C07; C07C; C07C67/00; C07C67/10; C07C67/11; B01J2231/00; B01J2231/40
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
57 words
AN IMPROVED PROCESS FOR PREPARING ESTERS OF TERPENIC COMPOUNDS, COMPRISING REACTING A TERPENE ALLYLIC HALIDE IN WHICH THE HALOGEN IS SELECTED FROM THE CLASS CONSISTING OF CHLORINE AND BROMINE WITH A CARBOXYLIC ACID SALT IN THE PRESENCE OF A PHOSPHOROUS-CONTAINING CATALYST SELECTED FROM THE GROUP CONSISTING OF PHOSPHOROUS, PHOSPHONIUM SALTS, AND TRIAVALENT PHOSPHOROUS COMPOUNDS HAVING THE FORMULA
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) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |