US3131225A
Expired / Lapsed
US
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Trialkylborane displacement reactions
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1961-08-03
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Granted: 1964-04-28
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Expires: 1981-08-03
Abstract
No abstract record available.
Inventors
- 👤 Alfred J Rutkowski
- 👤 Elroy J Inchalik
- 👤 Schriesheim Alan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:51
CPC Classifications
C; C07; C07F; C07F5/00; C07F5/02; C07F5/027; B; B01; B01J; B01J31/00; B01J31/02; B01J31/0215; B01J31/0218; B01J31/0234; B01J31/0235; B01J31/0245; B01J31/0247; B01J31/0249; B01J31/0255; B01J31/0257; B01J31/0258; B01J31/0271
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
IN A PROCESS WHEREIN AN OLEFIN IS REACTED WITH AN ALKYLBORANE COMPOUND TO OBTAIN A DISPLACEMENT OF ALKYL RADICAL UNDER ELEVATED TEMPERATURES, THE IMPROVEMENT WHICH COMPRISES EMPLOYING AS A CATALYST AN APROTIC, BASIC DIPOLAR, NON-HYDROXYLIC COMPOUND HAVING A DIELECTRIC CONSTANT OVER 6 SELECTED FROM THE GROUP CONSISTING OF TERTIARY PHOSPHATE ESTER, TETRAALKYL UREA, M,N-DIALKYL AMIDE, DIALKYL SULFOXIDE, DIALKYL SULFIDE AND HEXAALKYL AMIDE OF TERTIARY PHOSPHORIC ACID.
Claim 2
Dependent Claim
66 words
IN A PROCESS WHEREIN AN OLEFIN IS REACTED WITH AN ALKYLBORANE COMPOUND TO OBTAIN A DISPLACEMENT OF ALKYL RADICAL UNDER ELEVATED TEMPERATURES, THE IMPROVEMENT WHICH COMPRISES EMPLOYING AS A CATALYST AN APROTIC, BASIC DIPOLAR, NON-HYDROXYLIC COMPOUND HAVING A DIELECTRIC CONSTANT OVER 6 SELECTED FROM THE GROUP CONSISTING OF TERTIARY PHOSPHATE ESTER, TETRAALKYL UREA, M,N-DIALKYL AMIDE, DIALKYL SULFOXIDE, DIALKYL SULFIDE AND HEXAALKYL AMIDE OF TERTIARY PHOSPHORIC 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) | 1967-04-28 | 1967-10-28 | 1968-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-28 | 1971-10-28 | 1972-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-28 | 1975-10-28 | 1976-04-28 | $7700.00 | Window Closed / Lapsed |