US2880227A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the preparation of lower alkyl borates
Assignee: Olin Corp
•
Filing: 1955-07-22
•
Granted: 1959-03-31
•
Expires: 1975-07-22
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles O Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:48
CPC Classifications
C; C07; C07F; C07F5/00; C07F5/02; C07F5/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A PROCESS FOR THE CONVERSION OF A BORATE SALT TO AN ALKYL BORATE WHICH COMPRISES PREPARING AN ADMIXTURE OF AN INORGANIC BORATE SALT WHEREIN THE NON-METALLIC ELEMENT ATTACHED TO THE BORON ATOM IS OXYGEN SELECTED FROM THE GROUP CONSISTING OF SODIUM SALTS AND CALCIUM SALTS AND MIXTURES THEREOF, A POLYHYDRIC ALCOHOL BOILING WITHIN THE RANGE FROM ABOUT 175 TO 375*C. SELECTED FROM THE GROUP CONSISTING OF PRIMARY AND SECONDARY ALKYL DIHYDRIC ALCOHOLS, DE- AND TRI-ALKYLENEN GYLCOLS AND TRIETHANOLAMINE, AND A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF AMMONIUM CHLORIDE AND SODIUM ACID SULFATE; DISTILLING THE MIXTURE TO SEPARATE THE WATER THEREFROM UNTIL THE MIXTURE IS ANHYDROUS; COOLING THE ANHYDROUS MIXTURE; ADMIXING THE ANHYDROUS MIXTURE WITH AN ALKYL MONOHYDRIC ALCOHOL CONTAINING FROM ONE TO THREE CARBON ATOMS; AND DISTILLING THE REACTION MIXTURE AND REMOVING THE BORATE ESTER OF THE SATURATED ALPHATIC MONOHYDRIC ALCOHOL AS OVERHEAD.
Claim 2
Dependent Claim
144 words
A PROCESS FOR THE CONVERSION OF A BORATE SALT TO AN ALKYL BORATE WHICH COMPRISES PREPARING AN ADMIXTURE OF AN INORGANIC BORATE SALT WHEREIN THE NON-METALLIC ELEMENT ATTACHED TO THE BORON ATOM IS OXYGEN SELECTED FROM THE GROUP CONSISTING OF SODIUM SALTS AND CALCIUM SALTS AND MIXTURES THEREOF, A POLYHYDRIC ALCOHOL BOILING WITHIN THE RANGE FROM ABOUT 175 TO 375*C. SELECTED FROM THE GROUP CONSISTING OF PRIMARY AND SECONDARY ALKYL DIHYDRIC ALCOHOLS, DE- AND TRI-ALKYLENEN GYLCOLS AND TRIETHANOLAMINE, AND A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF AMMONIUM CHLORIDE AND SODIUM ACID SULFATE; DISTILLING THE MIXTURE TO SEPARATE THE WATER THEREFROM UNTIL THE MIXTURE IS ANHYDROUS; COOLING THE ANHYDROUS MIXTURE; ADMIXING THE ANHYDROUS MIXTURE WITH AN ALKYL MONOHYDRIC ALCOHOL CONTAINING FROM ONE TO THREE CARBON ATOMS; AND DISTILLING THE REACTION MIXTURE AND REMOVING THE BORATE ESTER OF THE SATURATED ALPHATIC MONOHYDRIC ALCOHOL AS OVERHEAD.
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) | 1962-03-30 | 1962-09-29 | 1963-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-30 | 1966-09-29 | 1967-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-30 | 1970-09-29 | 1971-03-31 | $7700.00 | Window Closed / Lapsed |