US2848502A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Karl h
Assignee: —
•
Filing: —
•
Granted: 1958-08-19
•
Expires: 1975-08-19
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:23
CPC Classifications
C; C07; C07C; C07C33/00; C07C33/02; C07C33/025; C07C33/04; C07C33/042; C07C45/00; C07C45/61; C07C45/62; C07B; C07B2200/00; C07B2200/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
25 words
A PROCESS OF MAKING 3,7-DIMETHYL-1,6-OCTADIEN-3-OL WHICH COMPRISES REDUCING 3,7-DIMETHYL-1-OCTYN-6-EN-3-OL IN LIQUID AMMONIA WITH AN ALKALI METAL AND AN AMMONIUM SALT OF A STRONG MINERAL ACID.
Claim 2
Dependent Claim
25 words
A PROCESS OF MAKING 3,7-DIMETHYL-1,6-OCTADIEN-3-OL WHICH COMPRISES REDUCING 3,7-DIMETHYL-1-OCTYN-6-EN-3-OL IN LIQUID AMMONIA WITH AN ALKALI METAL AND AN AMMONIUM SALT OF A STRONG MINERAL ACID.
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) | 1961-08-18 | 1962-02-17 | 1962-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-18 | 1966-02-17 | 1966-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-18 | 1970-02-17 | 1970-08-19 | $7700.00 | Window Closed / Lapsed |