US3078308A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of organoboron compounds
Assignee: Individual
•
Filing: 1959-08-31
•
Granted: 1963-02-19
•
Expires: 1979-08-31
Abstract
No abstract record available.
Inventors
- 👤 Herbert C Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:49
CPC Classifications
C; C07; C07F; C07F5/00; C07F5/02; C07F5/027; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/582
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
IN A PROCESS WHICH COMPRISES REACTING A HYDROCARBON BORON COMPOUND, WHEREIN THE HYDROCARBON GROUP HAS AT LEAST TWO CARBON ATOMS AND IS LIBERATED AS AN OLEFIN WHEN DISPLACED BY AN UNSATURATED HYDROCARBON DEFINED HEREINAFTER, WITH AN UNSATURATED HYDROCARBON SELECTED FROM THE GROUP CONSISTING OF OLEFINS HAVING BETWEEN ABOUT 2 TO 30 CARBON ATOMS, CYCOOLEFINS, AND ALKYNES AT A TEMPERATURE OF AT LEAST 100* C., THE IMPROVEMENT WHICH COMPRISES CONDUCTING THE REACTION IN THE PRESENCE OF AN ETHER CATALYST SELECTED FROM THE GROUP CONSISTING OF POLYETHERS AND CYCLIC ETHERS.
Claim 2
Dependent Claim
88 words
IN A PROCESS WHICH COMPRISES REACTING A HYDROCARBON BORON COMPOUND, WHEREIN THE HYDROCARBON GROUP HAS AT LEAST TWO CARBON ATOMS AND IS LIBERATED AS AN OLEFIN WHEN DISPLACED BY AN UNSATURATED HYDROCARBON DEFINED HEREINAFTER, WITH AN UNSATURATED HYDROCARBON SELECTED FROM THE GROUP CONSISTING OF OLEFINS HAVING BETWEEN ABOUT 2 TO 30 CARBON ATOMS, CYCOOLEFINS, AND ALKYNES AT A TEMPERATURE OF AT LEAST 100* C., THE IMPROVEMENT WHICH COMPRISES CONDUCTING THE REACTION IN THE PRESENCE OF AN ETHER CATALYST SELECTED FROM THE GROUP CONSISTING OF POLYETHERS AND CYCLIC ETHERS.
References Cited (Backward Citations)
US2886599A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-18 | 1966-08-20 | 1967-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-18 | 1970-08-20 | 1971-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-18 | 1974-08-20 | 1975-02-19 | $7700.00 | Window Closed / Lapsed |