US2717240A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making magnesium metaborate solutions
Assignee: Commonwealth Color and Chemical Co
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Filing: 1952-02-01
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Granted: 1955-09-06
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Expires: 1972-02-01
Abstract
No abstract record available.
Inventors
- 👤 George D Froumuller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:10
CPC Classifications
C; C01; C01B; C01B35/00; C01B35/06; C01B35/08; C01B35/10; C01B35/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A METHOD WHICH COMPRISES MIXING A SOLUTION OF MAGNESIUM CHLORIDE WITH A SOLUTION OF AN ALKALI METAL META BORATE IN SUBSTANTIALLY EQUIMOLECULAR PROPORTIONS AT A TEMPERATURE NOT SUBSTANTIALLY HIGHER THAN 25* C. WHILE MAINTAINING A PH OF 6.5-9.0 IN THE MIXED SOLUTION WHEREBY A STABLE SOLUTION OF MAGNESIUM META BORATE IS FORMED, THE CONCENTRATION OF SAID SOLUTIONS BEING SUFFICIENT TO FORM AT LEAST A 2% SOLUTION OF MAGNESIUM META BORATE WHICH IS STABLE AT TEMPERATURE LOWER THAN 50* C.
Claim 2
Independent Claim
79 words
A METHOD WHICH COMPRISES MIXING A SOLUTION OF MAGNESIUM CHLORIDE WITH A SOLUTION OF AN ALKALI METAL META BORATE IN SUBSTANTIALLY EQUIMOLECULAR PROPORTIONS AT A TEMPERATURE NOT SUBSTANTIALLY HIGHER THAN 25* C. WHILE MAINTAINING A PH OF 6.5-9.0 IN THE MIXED SOLUTION WHEREBY A STABLE SOLUTION OF MAGNESIUM META BORATE IS FORMED, THE CONCENTRATION OF SAID SOLUTIONS BEING SUFFICIENT TO FORM AT LEAST A 2% SOLUTION OF MAGNESIUM META BORATE WHICH IS STABLE AT TEMPERATURE LOWER THAN 50* C.
References Cited (Backward Citations)
US1860134A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-05 | 1959-03-07 | 1959-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-05 | 1963-03-07 | 1963-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-05 | 1967-03-07 | 1967-09-06 | $7700.00 | Window Closed / Lapsed |