US2904569A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocarbontin derivatives of monomercapto-borate esters
Assignee: Primerica Inc
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Filing: 1956-03-12
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Granted: 1959-09-15
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Expires: 1976-03-12
Abstract
No abstract record available.
Inventors
- 👤 Hugh E Ramsden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:45
CPC Classifications
C; C07; C07F; C07F5/00; C07F5/02; C07F5/04; C08; C08K; C08K5/00; C08K5/56; C08K5/57; C08K5/58
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
9 words
HYDROCARBONTIN DERIVATIVES OF MONOMERCAPTO BORATE ESTER HAVING THE FORMULA
Claim 2
Dependent Claim
9 words
HYDROCARBONTIN DERIVATIVES OF MONOMERCAPTO BORATE ESTER HAVING THE FORMULA
Claim 3
Independent Claim
36 words
A METHOD OF PREPARING A HYDROCARBON DERIVATIVE OF MONOMERCAPTOBORATE ESTER WHICH COMPRISES REACTING A HYDROCARBONTIN COMPOUND SELECTED FROM THE CLASS CONSISTING OF HYDROCARBONTIN OXIDES, HYDROCARBONTIN HYDROXIDES AND HYDROCARBON-STANNOIC ACIDS WITH A MONOMERCAPTO BORATE ESTER OF FORMULA
Claim 4
Independent Claim
36 words
A METHOD OF PREPARING A HYDROCARBON DERIVATIVE OF MONOMERCAPTOBORATE ESTER WHICH COMPRISES REACTING A HYDROCARBONTIN COMPOUND SELECTED FROM THE CLASS CONSISTING OF HYDROCARBONTIN OXIDES, HYDROCARBONTIN HYDROXIDES AND HYDROCARBON-STANNOIC ACIDS WITH A MONOMERCAPTO BORATE ESTER OF FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-14 | 1963-03-16 | 1963-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-14 | 1967-03-16 | 1967-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-14 | 1971-03-16 | 1971-09-15 | $7700.00 | Window Closed / Lapsed |