US3154520A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Boron-substituted silanes and polymers therefrom
Assignee: Rohm and Haas Co
•
Filing: 1959-10-01
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Granted: 1964-10-27
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Expires: 1979-10-01
Abstract
No abstract record available.
Inventors
- 👤 John A Dupont
- 👤 Marion F Hawthorne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:35
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/04; C08G77/22; C06; C06B; C06B45/00; C06B45/04; C06B45/06; C06B45/10; C06B45/105; C07; C07F; C07F5/00; C07F5/02; C07F5/027; C07F7/00; C07F7/02; C07F7/08; C07F7/12; Y; Y10; Y10S; Y10S149/00; Y10S149/12; Y10S149/121
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
6 words
BORON-CONTAINING SUBSTITUTED SILANES OF THE FORMULA
Claim 2
Dependent Claim
6 words
BORON-CONTAINING SUBSTITUTED SILANES OF THE FORMULA
Claim 3
Dependent Claim
46 words
A PROCESS FOR THE PREPARATION OF BORON-CONTAINING SILANES WHICH COMPRISES REACTING IN THE PRESENCE OF A FRIEDEL-CRAFT REAGENT AT A TEMPERATURE OF FROM ABOUT 15*C. TO ABOUT 50*C. A BORON HYDRIDE SELECTED FROM THE GROUP CONSISTING OF PENTABORANE AND DECARBORANE WITH A SILANE OF THE FORMULA:
Claim 4
Dependent Claim
46 words
A PROCESS FOR THE PREPARATION OF BORON-CONTAINING SILANES WHICH COMPRISES REACTING IN THE PRESENCE OF A FRIEDEL-CRAFT REAGENT AT A TEMPERATURE OF FROM ABOUT 15*C. TO ABOUT 50*C. A BORON HYDRIDE SELECTED FROM THE GROUP CONSISTING OF PENTABORANE AND DECARBORANE WITH A SILANE OF THE FORMULA:
References Cited (Backward Citations)
US2831009A
Cited
US2927938A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-27 | 1968-04-27 | 1968-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-27 | 1972-04-27 | 1972-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-27 | 1976-04-27 | 1976-10-27 | $7700.00 | Window Closed / Lapsed |