Patent US2822161A successfully refreshed from Google Patents.
US3078313A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Selective hydroboration
Assignee: Individual
•
Filing: 1961-06-15
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Granted: 1963-02-19
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Expires: 1981-06-15
Abstract
No abstract record available.
Inventors
- 👤 Herbert C Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:02
CPC Classifications
C; C07; C07F; C07F5/00; C07F5/02; C07F5/027; C07C; C07C29/00; C07C29/48; C07C29/50; C07C29/54; C07C31/00; C07C31/13; C07C31/137; C07C35/00; C07C35/22; C07C35/23; C07C35/28; C07C35/29; C07C35/30; C07C45/00; C07C45/27; C07C45/29; C07C45/292; C07C51/00; C07C51/347; C07C51/367; C07C59/00; C07C59/01; C07C7/00; C07C7/148; C07C7/14875; C07B; C07B2200/00; C07B2200/07; C07C2601/00; C07C2601/12; C07C2601/14; C07C2601/16; C07C2602/00; C07C2602/36; C07C2602/42; C07C2603/00; C07C2603/02; C07C2603/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
THE PROCESS OF SELECTIVELY HYDROBORATING AN OLEFINIC COMPOUND WHICH COMPRISES REACTING (A) AN ORGANOBORON HYDRIDE IN WHICH EACH ORGANO GROUP IS SELECTED FROM THE GOUP CONSISTING OF (1) UNSUBSTITUTED HYDROCARBON GROUPS AND (2) FUNCTIONALLY SUBSTITUTED HYDROCARBON GROUPS IN WHICH THE FUNCTIONAL GROUPS ARE NONREACTIVE TO THE BORON-HYDROGEN BOND WITH (B) A HYDROBORATABLE OLEFINIC COMPOUND SO THAT SAID COMPOUND IS MORE SELECTIVELY HYDROBORATED THAN WHEN DIBORANE IS USED.
Claim 2
Dependent Claim
67 words
THE PROCESS OF SELECTIVELY HYDROBORATING AN OLEFINIC COMPOUND WHICH COMPRISES REACTING (A) AN ORGANOBORON HYDRIDE IN WHICH EACH ORGANO GROUP IS SELECTED FROM THE GOUP CONSISTING OF (1) UNSUBSTITUTED HYDROCARBON GROUPS AND (2) FUNCTIONALLY SUBSTITUTED HYDROCARBON GROUPS IN WHICH THE FUNCTIONAL GROUPS ARE NONREACTIVE TO THE BORON-HYDROGEN BOND WITH (B) A HYDROBORATABLE OLEFINIC COMPOUND SO THAT SAID COMPOUND IS MORE SELECTIVELY HYDROBORATED THAN WHEN DIBORANE IS USED.
References Cited (Backward Citations)
US2874165A
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 |