Patent US2815388A successfully refreshed from Google Patents.
US2815388A
Expired / Lapsed
US
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Chx c c
Assignee: —
•
Filing: —
•
Granted: 1957-12-03
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Expires: 1974-12-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:42
CPC Classifications
C; C07; C07C; C07C33/00; C07C33/05; C07C33/14; C07C33/02; C07C33/025; C07B; C07B2200/00; C07B2200/07; C07B2200/09; C07C2601/00; C07C2601/12; C07C2601/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A PROCESS WHICH COMPRISES CONDENSING 8 (2,6,6TRIMETHYL -1- CYCLOHEXEN- 1- YL)-2,5- DIMETHYL-2,4,6OCTATRIEN-1-AL IN LIQUID AMMONIA WITH AN APPROXIMATELY EQUIMOLAR PROPOTION OF LITHIUM ACETYLIDE, TREATING THE CONDENSATION PRODUCT IN LIQUID AMMONIA WITH AN AMMONIUM SALT, REMOVING THE AMMONIA FROM THE 10-(2,6,6-TRIMETHYL- 1- CYCLOHEXEN - 1 -YL) -4,8-DIMETHYL- 4,6,8DECATRIEN-LYN-3-OL FORMED, REACTING THE LATTER IN AN ORGANIC SOLVENT WITH APPROXIMATELY TWO MOLAR PORPORTIONS OF A LOWR ALKYL MAGNESIUM HALIDE, CONDENSING THE DI-MAGNESIUM-HALIDE COMPOUND OBTAINED WITH 8-(2,6,6-TRIMETHYL1-CYCLOHEXEN-1-YL)-2,6-DIMETHYL-2,4,6-OCTATRIEN-1-AL, AND HYDROLYZING THE CONDENSATION PRODUCT THEREBY PRODUCING 1,18 -DI- (2,6,6 -TRIMETHYL- 1- CYCLOHEXEN- 1-YL)3,7,12,16- TETRAMETHYL -2,4,6,12,14,16 - OCTADECAHEXAEN 9-YNE-8,11-DIOL.
Claim 2
Dependent Claim
92 words
A PROCESS WHICH COMPRISES CONDENSING 8 (2,6,6TRIMETHYL -1- CYCLOHEXEN- 1- YL)-2,5- DIMETHYL-2,4,6OCTATRIEN-1-AL IN LIQUID AMMONIA WITH AN APPROXIMATELY EQUIMOLAR PROPOTION OF LITHIUM ACETYLIDE, TREATING THE CONDENSATION PRODUCT IN LIQUID AMMONIA WITH AN AMMONIUM SALT, REMOVING THE AMMONIA FROM THE 10-(2,6,6-TRIMETHYL- 1- CYCLOHEXEN - 1 -YL) -4,8-DIMETHYL- 4,6,8DECATRIEN-LYN-3-OL FORMED, REACTING THE LATTER IN AN ORGANIC SOLVENT WITH APPROXIMATELY TWO MOLAR PORPORTIONS OF A LOWR ALKYL MAGNESIUM HALIDE, CONDENSING THE DI-MAGNESIUM-HALIDE COMPOUND OBTAINED WITH 8-(2,6,6-TRIMETHYL1-CYCLOHEXEN-1-YL)-2,6-DIMETHYL-2,4,6-OCTATRIEN-1-AL, AND HYDROLYZING THE CONDENSATION PRODUCT THEREBY PRODUCING 1,18 -DI- (2,6,6 -TRIMETHYL- 1- CYCLOHEXEN- 1-YL)3,7,12,16- TETRAMETHYL -2,4,6,12,14,16 - OCTADECAHEXAEN 9-YNE-8,11-DIOL.
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) | 1960-12-02 | 1961-06-03 | 1961-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-02 | 1965-06-03 | 1965-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-02 | 1969-06-03 | 1969-12-03 | $7700.00 | Window Closed / Lapsed |