US2768060A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of potassium bicarbonate by use of strongly basic amines
Assignee: Honeywell International Inc
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Filing: 1953-11-30
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Granted: 1956-10-23
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Expires: 1973-11-30
Abstract
No abstract record available.
Inventors
- 👤 Alan G Follows
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:03
CPC Classifications
C; C01; C01D; C01D7/00; C01D7/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
THE METHOD OF PREPARING POTASSIUM BICARBONATE COMPRISING FORMING A SOLUTION WHICH WILL PRECIPITATE THIS COMPOUND UPON BEING COOLED COMPOSED OF WATER, POTASIUM CHLORIDE, AMMONIUM BICARBONATE IN QUANTITY AT LEAST STOICHIOMETRICALLY EQUIVALENT TO SAID POSTASSIUM CHLORIDE, AND AN AMINE STRONGER IN BASIC PROPERTIES THAN AMMONIUM HYDROXIDE IN QUANTITY AT LEAST ABOUT 66.6% OF VOLUME OF SAID SOLUTION AND AT LEAST ABOUT 5.5 TIMES THAT STOICHIOMETRICALLY EQUIVALENT TO SAID AMMONIUM BICARBONATE, AND COOLING SAID SOLUTION WITHIN TWO HOURS OF ITS FORMATION UNTIL POTASSIUM BICARBONATE PRECIPITATES THEREFROM.
Claim 2
Independent Claim
84 words
THE METHOD OF PREPARING POTASSIUM BICARBONATE COMPRISING FORMING A SOLUTION WHICH WILL PRECIPITATE THIS COMPOUND UPON BEING COOLED COMPOSED OF WATER, POTASIUM CHLORIDE, AMMONIUM BICARBONATE IN QUANTITY AT LEAST STOICHIOMETRICALLY EQUIVALENT TO SAID POSTASSIUM CHLORIDE, AND AN AMINE STRONGER IN BASIC PROPERTIES THAN AMMONIUM HYDROXIDE IN QUANTITY AT LEAST ABOUT 66.6% OF VOLUME OF SAID SOLUTION AND AT LEAST ABOUT 5.5 TIMES THAT STOICHIOMETRICALLY EQUIVALENT TO SAID AMMONIUM BICARBONATE, AND COOLING SAID SOLUTION WITHIN TWO HOURS OF ITS FORMATION UNTIL POTASSIUM BICARBONATE PRECIPITATES THEREFROM.
References Cited (Backward Citations)
US2013977A
Cited
FR1045657A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-23 | 1960-04-23 | 1960-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-23 | 1964-04-23 | 1964-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-23 | 1968-04-23 | 1968-10-23 | $7700.00 | Window Closed / Lapsed |