US2598263A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Esterified 4-vinylcyclohexene
Assignee: Sunoco Inc
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Filing: 1947-10-06
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Granted: 1952-05-27
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Expires: 1967-10-06
Abstract
No abstract record available.
Inventors
- 👤 Herbert L Johnson
- 👤 Frances J Bondhus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:20
CPC Classifications
C; C07; C07C; C07C67/00; C07C67/08; C07C69/00; C07C69/52; C07C69/533; C07C69/74; C07C69/75; C07C2601/00; C07C2601/12; C07C2601/14; C07C2601/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
THE ESTER OF 4-VINYLCYCLOHEXENE WHEREIN THE ESTER RADICAL IS SELECTED FROM THE GROUP CONSISTING OF THE ACETATE, PROPIONATE, BUTYRATE, VALERATE, THE ALPHA-HALO AND ALPHA-HYDROXY SUBSTITUTED DERIVATIVES THEREOF, BENZOATE AND TOLUATE RADICALS, AND WHEREIN SAID ESTER RADICAL IS ATTACHED TO THE 4-VINYLCYCLOHEXENE MOLECULE IN THE 1-POSITION OF THE 4-VINYLCYCLOHEXENE. 3 PROCESS FOR THE PREPARATION OF A MONO-ESTER OF 4-VINYLCYCLOCHEXENE WHEREIN THE ESTER RADICAL IS ATTACHED TO THE 1-POSITION OF THE CYCLOHEXENE RING WHICH COMPRISES REACTING 4-VINYLCYCLOHEXENE WITH AN ACID SELECTED FROM THE GROUP CONSISTING OF ACETIC, PROPIONIC, BUTYRIC, AND VALERIC ACIDS, THE ALPHA-HALO AND ALPHA-HYDROXY SUBSTITUTED DERIVATIVES THEREOF, BENZOIC ACID AND TOLUIC ACID, IN THE PRESENCE OF AN ACID TYPE CATALYST SAID REACTION BEING CARRIED OUT AT A TEMPERATURE WITHIN THE RANGE OF FROM 75* C. TO 130* C., AND SEPARATING FROM THE REACTION MIXTURE SAID MONOESTER OF 4-VINYLCYCLOHEXENE WHEREIN THE ESTER RADICAL IS ATTACHED TO THE 1-POSITION OF THE CYCLOHEXENE RING.
Claim 2
Dependent Claim
151 words
THE ESTER OF 4-VINYLCYCLOHEXENE WHEREIN THE ESTER RADICAL IS SELECTED FROM THE GROUP CONSISTING OF THE ACETATE, PROPIONATE, BUTYRATE, VALERATE, THE ALPHA-HALO AND ALPHA-HYDROXY SUBSTITUTED DERIVATIVES THEREOF, BENZOATE AND TOLUATE RADICALS, AND WHEREIN SAID ESTER RADICAL IS ATTACHED TO THE 4-VINYLCYCLOHEXENE MOLECULE IN THE 1-POSITION OF THE 4-VINYLCYCLOHEXENE. 3 PROCESS FOR THE PREPARATION OF A MONO-ESTER OF 4-VINYLCYCLOCHEXENE WHEREIN THE ESTER RADICAL IS ATTACHED TO THE 1-POSITION OF THE CYCLOHEXENE RING WHICH COMPRISES REACTING 4-VINYLCYCLOHEXENE WITH AN ACID SELECTED FROM THE GROUP CONSISTING OF ACETIC, PROPIONIC, BUTYRIC, AND VALERIC ACIDS, THE ALPHA-HALO AND ALPHA-HYDROXY SUBSTITUTED DERIVATIVES THEREOF, BENZOIC ACID AND TOLUIC ACID, IN THE PRESENCE OF AN ACID TYPE CATALYST SAID REACTION BEING CARRIED OUT AT A TEMPERATURE WITHIN THE RANGE OF FROM 75* C. TO 130* C., AND SEPARATING FROM THE REACTION MIXTURE SAID MONOESTER OF 4-VINYLCYCLOHEXENE WHEREIN THE ESTER RADICAL IS ATTACHED TO THE 1-POSITION OF THE CYCLOHEXENE RING.
References Cited (Backward Citations)
US2198046A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-27 | 1955-11-26 | 1956-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-27 | 1959-11-26 | 1960-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-27 | 1963-11-26 | 1964-05-27 | $7700.00 | Window Closed / Lapsed |