US3126248A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing purified
Assignee: —
•
Filing: —
•
Granted: 1964-03-24
•
Expires: 1981-03-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:02
CPC Classifications
C; C01; C01B; C01B33/00; C01B33/02; C01B33/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A PROCESS FOR PRODUCING AN AT LEAST PARTIALLY CHLORIANTED SILANE SUBSTANITALLY FREE OF IMPRUITIES OF BORANE, CHLORINATED BORANE AND BORON TRICHLORIDE COMPRISING THE STEPS OF: ADDING TO AN AT LEAST PARTIALLY CHLORINATED SILANE CONTAINING AT LEAST ONE OF THE BORON-CONTAINING IMPURITIES, AN EXCESS OF A PURIFYING AGENT BEING AN ORGANIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF DIOXANE, BENZALDEHYDE, METHYL ETHYL KETONE, DIMETHYL GLYOXIME AND VALEROLACTONE; REACTING SAID BORON-CONTAINING IMPURITIES PRESENT IN THE AT LEAST PARTIALLY CHLORINATED SILANE WITH A PORTION OF SAID ORGANIC COMPOUND TO FORM AN ADDITION COMPOUND; AND SEPARATING FROM THE REACTION MIXTURE CONTAINING SAID AT LEAST PARTIALLY CHLORINATED SILANE, SAID ADDITION COMPOUND AND SAID EXCESS OF ORGANIC COMPOUND, AN AT LEAST PARTIALLY CHLORINATED SILANE SUBSTANTIALLY FREE FROM BORANE, CHLORINATED BORANE, AND BORON TRICHLORIDE.
Claim 2
Dependent Claim
127 words
A PROCESS FOR PRODUCING AN AT LEAST PARTIALLY CHLORIANTED SILANE SUBSTANITALLY FREE OF IMPRUITIES OF BORANE, CHLORINATED BORANE AND BORON TRICHLORIDE COMPRISING THE STEPS OF: ADDING TO AN AT LEAST PARTIALLY CHLORINATED SILANE CONTAINING AT LEAST ONE OF THE BORON-CONTAINING IMPURITIES, AN EXCESS OF A PURIFYING AGENT BEING AN ORGANIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF DIOXANE, BENZALDEHYDE, METHYL ETHYL KETONE, DIMETHYL GLYOXIME AND VALEROLACTONE; REACTING SAID BORON-CONTAINING IMPURITIES PRESENT IN THE AT LEAST PARTIALLY CHLORINATED SILANE WITH A PORTION OF SAID ORGANIC COMPOUND TO FORM AN ADDITION COMPOUND; AND SEPARATING FROM THE REACTION MIXTURE CONTAINING SAID AT LEAST PARTIALLY CHLORINATED SILANE, SAID ADDITION COMPOUND AND SAID EXCESS OF ORGANIC COMPOUND, AN AT LEAST PARTIALLY CHLORINATED SILANE SUBSTANTIALLY FREE FROM BORANE, CHLORINATED BORANE, AND BORON TRICHLORIDE.
References Cited (Backward Citations)
GB486563A
Cited
GB501670A
Cited
US2378968A
Cited
GB656098A
Cited
US2768074A
Cited
GB745698A
Cited
US2812235A
Cited
US2857249A
Cited
US2947607A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-24 | 1967-09-23 | 1968-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-24 | 1971-09-23 | 1972-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-24 | 1975-09-23 | 1976-03-24 | $7700.00 | Window Closed / Lapsed |