Patent EP0276987A2 successfully refreshed from Google Patents.
Patent US3076835A successfully refreshed from Google Patents.
US3076835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amine salts of boron acids and esters
Assignee: Texaco Inc
•
Filing: 1961-01-17
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Granted: 1963-02-05
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Expires: 1981-01-17
Abstract
No abstract record available.
Inventors
- 👤 Edward L Kay
- 👤 Edwin C Knowles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:48
CPC Classifications
C; C10; C10M; C10M139/00; C07; C07F; C07F5/00; C07F5/02; C07F5/025; C10M2227/00; C10M2227/06; C10M2227/061; C10N; C10N2040/00; C10N2040/14; C10N2040/16; C10N2040/17; C10N2040/30; C10N2040/32; C10N2040/34; C10N2040/36; C10N2040/38; C10N2040/40; C10N2040/42; C10N2040/44; C10N2040/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
10 words
AMINE SALTS OF TETRA-COVALENT BORON ACIDS HAVING THE FOLLOWING FORMULA:
Claim 2
Dependent Claim
10 words
AMINE SALTS OF TETRA-COVALENT BORON ACIDS HAVING THE FOLLOWING FORMULA:
References Cited (Backward Citations)
GB645202A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-04 | 1966-08-06 | 1967-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-04 | 1970-08-06 | 1971-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-04 | 1974-08-06 | 1975-02-05 | $7700.00 | Window Closed / Lapsed |