US2867641A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocarbontinborates
Assignee: Primerica Inc
•
Filing: 1954-07-02
•
Granted: 1959-01-06
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Expires: 1974-07-02
Abstract
No abstract record available.
Inventors
- 👤 Hugh E Ramsden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:16
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/56; C08K5/57; C07; C07F; C07F7/00; C07F7/22; C07F7/2224
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
11 words
AS A COMPOSITION OF MATTER A HYROCARBONTIN BORATE HAVING THE FORMULA
Claim 2
Dependent Claim
11 words
AS A COMPOSITION OF MATTER A HYROCARBONTIN BORATE HAVING THE FORMULA
Claim 3
Dependent Claim
72 words
A METHOD OF PREPARING A HYDROCARBONTIN BORATE OF CLAIM 14 WHICH COMPRISES HEATING A HYDROCARBONTIN OXIDE WITH A COMPOUND SELECTED FROM THE CLASS CONSISTING OF BORIC ACID AND A PARTIAL HYDROCARBON BORIC ACID ESTER ABOVE ROOM TEMPERATURE AND FOR A SUFFICIENT PERIOD OF TIME TO EFFECT COMPLETE REACTION, AND RECOVERING SAID HYDROCARBONTIN BORATE, THE HYDROCARBON GROUPS OF SAID REACTANTS BEING SELECTED FROM THE CLASS CONSISTING OF ALKYL AND MONOCYCLIC AROMATIC HYDROCARBON RADICALS.
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) | 1962-01-05 | 1962-07-07 | 1963-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-05 | 1966-07-07 | 1967-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-05 | 1970-07-07 | 1971-01-06 | $7700.00 | Window Closed / Lapsed |