US2878257A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of cxcloheptene-
Assignee: —
•
Filing: —
•
Granted: 1959-03-17
•
Expires: 1976-03-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:37
CPC Classifications
C; C07; C07C; C07C69/00; C07C69/74; C07C69/757; C07C2601/00; C07C2601/12; C07C2601/16
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
80 words
A PROCESS FOR THE PRODUCTION OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF CYCLOHEPTENE-(1)-CARBOXYLIC ACID-(1), ITS ALKALI METAL SALTS AND ESTERS WHICH COMPRISES TREATING A 2,8-DIHALOGENCYCLOOCTANOE WITH AT LEAST THE CALCULATED MOLAR ALCOHOLATES AND ALKALINE-REACTING ALKALI METAL COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL ALCHOLOLATES AND ALKALI METAL HYDROXIDES IN A CONCENTRATION OF 1-50% AT A TEMPERATURE OF 0-100* C. IN THE PRESENCE OF A LIQUID MEDIUM WHICH DOES NOT REACT WITH THE ALKALI METAL COMPOUND USED.
Claim 2
Dependent Claim
80 words
A PROCESS FOR THE PRODUCTION OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF CYCLOHEPTENE-(1)-CARBOXYLIC ACID-(1), ITS ALKALI METAL SALTS AND ESTERS WHICH COMPRISES TREATING A 2,8-DIHALOGENCYCLOOCTANOE WITH AT LEAST THE CALCULATED MOLAR ALCOHOLATES AND ALKALINE-REACTING ALKALI METAL COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL ALCHOLOLATES AND ALKALI METAL HYDROXIDES IN A CONCENTRATION OF 1-50% AT A TEMPERATURE OF 0-100* C. IN THE PRESENCE OF A LIQUID MEDIUM WHICH DOES NOT REACT WITH THE ALKALI METAL COMPOUND USED.
Claim 3
Dependent Claim
82 words
A PROCESS FOAR THE PRODUCTION OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF CYCLOHEPTENE-(1)-CARBOXYLIC ACID-(1) AND ITS ALKALI METAL SALTS WHICH COMPRISES REACTING A 2,8-DIHALOGENCYLOOCTANONE WITH AT LEAST THE CALCULATED MOLAR AMOUNT OF AN ALKALINE-REACTING ALKALINE METAL COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL ALCHOLATES AND ALKALI METAL HYDROXIDES IN A CONCENTRATION OF 1-50% AT A TEMPERATURE BETWEEN 0*C. AND 100*C, IN ATHE PRESENCE OF A LIQUID NON-ALCOHOLIC MEDIUM WHICH DOES NOT REACT WITH THE ALKALI METAL COMPOUND USED.
Claim 4
Dependent Claim
82 words
A PROCESS FOAR THE PRODUCTION OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF CYCLOHEPTENE-(1)-CARBOXYLIC ACID-(1) AND ITS ALKALI METAL SALTS WHICH COMPRISES REACTING A 2,8-DIHALOGENCYLOOCTANONE WITH AT LEAST THE CALCULATED MOLAR AMOUNT OF AN ALKALINE-REACTING ALKALINE METAL COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL ALCHOLATES AND ALKALI METAL HYDROXIDES IN A CONCENTRATION OF 1-50% AT A TEMPERATURE BETWEEN 0*C. AND 100*C, IN ATHE PRESENCE OF A LIQUID NON-ALCOHOLIC MEDIUM WHICH DOES NOT REACT WITH THE ALKALI METAL COMPOUND USED.
Claim 5
Dependent Claim
62 words
A PROCESS FOR THE PRODUCTION OF AN ALPHHATIC ESTER OF CYCLOTHEPTENE-(1)-CARBPXYLIC AND-(1) WHICH COMPRISES REACTING A 2,8-DIHALOGENCYCLO-OCTANOPNE WITH AT LEAST TWICE THE MOLAR AMOUNT OF AN ALKALINE REACTING ALKALI METAL COMPOUND FROM THE GROUP CONSISTING OF ALKALI METAL ALCOHOLATES AND ALKALI METAL HYDROXIDES IN A CONCENTRATION OF FROM 1-50% IN THE PRESENCE OF AN ALIPHATIC ALCOHOL AT A TEMPERATURE OF 0 *-100*C.
Claim 6
Dependent Claim
62 words
A PROCESS FOR THE PRODUCTION OF AN ALPHHATIC ESTER OF CYCLOTHEPTENE-(1)-CARBPXYLIC AND-(1) WHICH COMPRISES REACTING A 2,8-DIHALOGENCYCLO-OCTANOPNE WITH AT LEAST TWICE THE MOLAR AMOUNT OF AN ALKALINE REACTING ALKALI METAL COMPOUND FROM THE GROUP CONSISTING OF ALKALI METAL ALCOHOLATES AND ALKALI METAL HYDROXIDES IN A CONCENTRATION OF FROM 1-50% IN THE PRESENCE OF AN ALIPHATIC ALCOHOL AT A TEMPERATURE OF 0 *-100*C.
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) | 1962-03-16 | 1962-09-15 | 1963-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-16 | 1966-09-15 | 1967-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-16 | 1970-09-15 | 1971-03-17 | $7700.00 | Window Closed / Lapsed |