US2976315A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for the preparation of trialkyl borates
Assignee: Dow Chemical Co
•
Filing: 1959-03-02
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Granted: 1961-03-21
•
Expires: 1979-03-02
Abstract
No abstract record available.
Inventors
- 👤 Carlos M Bowman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 00:22
CPC Classifications
C; C07; C07F; C07F5/00; C07F5/02; C07F5/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
28 words
A METHOD FOR PREPARING TRIALKYL BORATES COMPRISING, REACTING, AT A TEMPERATURE OF BETWEEN ABOUT 0* C. AND ABOUT 200* C., BORIC OXIDE WITH A COMPOUND HAVING THE FORMULA:
Claim 2
Independent Claim
28 words
A METHOD FOR PREPARING TRIALKYL BORATES COMPRISING, REACTING, AT A TEMPERATURE OF BETWEEN ABOUT 0* C. AND ABOUT 200* C., BORIC OXIDE WITH A COMPOUND HAVING THE FORMULA:
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) | 1964-03-20 | 1964-09-19 | 1965-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-20 | 1968-09-19 | 1969-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-20 | 1972-09-19 | 1973-03-21 | $7700.00 | Window Closed / Lapsed |