US3026329A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mono-and di-chloroborane etherates
Assignee: Purdue Research Foundation
•
Filing: 1957-07-11
•
Granted: 1962-03-20
•
Expires: 1977-07-11
Abstract
No abstract record available.
Inventors
- 👤 Herbert C Brown
- 👤 Rao Bookinkeve Channakes Subba
- 👤 Paul A Tierney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:59
CPC Classifications
C; C01; C01B; C01B6/00; C01B35/00; C01B35/02; C01B35/026; C07; C07C; C07C43/00; C07C43/02; C07C43/03; C07C43/04; C07C43/12
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
35 words
AN ETHERATE HAVING THE FORMULA H2CIB:A, WHERE A IS AN ETHER SELECTED FROM THE GROUP CONSISTING OF TETRAHYDROFURAN, TETRAHYDROPYRAN, RR''O AND RO(C2H4O)NR, WHERE N IS A POSITIVE INTEGER AND R AND R'' ARE LOWER ALKYL.
Claim 2
Dependent Claim
35 words
AN ETHERATE HAVING THE FORMULA H2CIB:A, WHERE A IS AN ETHER SELECTED FROM THE GROUP CONSISTING OF TETRAHYDROFURAN, TETRAHYDROPYRAN, RR''O AND RO(C2H4O)NR, WHERE N IS A POSITIVE INTEGER AND R AND R'' ARE LOWER ALKYL.
Claim 3
Dependent Claim
85 words
THAT METHOD OF MAKING A CHLOROBORANE ETHERATE SELECTED FROM THE GROUP CONSISTING OF MONOCHLOROBORANE ETHERATE AND DICHLOROBORANE ETHERATE COMPRISING THE STEP OF CONTACTING BORON TRICHLORIDE WITH A BORON-CONTAINING COMPOUND OF THE GROUP CONSISTING OF DIBORANE AND METALLIC BOROHYDRIDES IN THE PRESENCE OF AN ETHER WHICH IS A SOLVENT FOR SAID BORON-CONTAINING COMPOUND AND WHICH IS SELECTED FROM THE GROUP CONSISTING OF TETRAHYDROFURAN, TETRAHYDROPYRAN, RR''O AND RO(C2H4O)NR, WHERE N IS A POSITIVE INTEGER AND R AND R'' ARE LOWER ALKYL, IN PROPORTIONS CONFORMING TO THE EQUATIONS
Claim 4
Dependent Claim
85 words
THAT METHOD OF MAKING A CHLOROBORANE ETHERATE SELECTED FROM THE GROUP CONSISTING OF MONOCHLOROBORANE ETHERATE AND DICHLOROBORANE ETHERATE COMPRISING THE STEP OF CONTACTING BORON TRICHLORIDE WITH A BORON-CONTAINING COMPOUND OF THE GROUP CONSISTING OF DIBORANE AND METALLIC BOROHYDRIDES IN THE PRESENCE OF AN ETHER WHICH IS A SOLVENT FOR SAID BORON-CONTAINING COMPOUND AND WHICH IS SELECTED FROM THE GROUP CONSISTING OF TETRAHYDROFURAN, TETRAHYDROPYRAN, RR''O AND RO(C2H4O)NR, WHERE N IS A POSITIVE INTEGER AND R AND R'' ARE LOWER ALKYL, IN PROPORTIONS CONFORMING TO THE EQUATIONS
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) | 1965-03-19 | 1965-09-18 | 1966-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-19 | 1969-09-18 | 1970-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-19 | 1973-09-18 | 1974-03-20 | $7700.00 | Window Closed / Lapsed |