US2771996A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of accelerating the speed of sedimentation of particles with dispersed carob bean flour
Assignee: D'ETUDES CHIMIQUES POUR L'INDUSTRIE ET L'AGRICULTURE Ste
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Filing: 1951-09-21
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Granted: 1956-11-27
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Expires: 1971-09-21
Abstract
No abstract record available.
Inventors
- 👤 Hulot Georges
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:33
CPC Classifications
B; B01; B01J; B01J20/00; B01J20/22; C; C02; C02F; C02F1/00; C02F1/52; C02F1/5263
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A METHOD OF ACCELERATING THE SPEED OF SEDIMENTATION OF SOLID INORGANIC PARTICLES SUSPENDED IN AQUEOUS SOLUTIONS OF ELECTROLYTES WHICH COMPRISES ADDING TO SAID SOLUTIONS AS COLLEECTOR AGENT A COLLOIDAL CAROB BEAN FLOUR SOLUTION PREPARED BY DISTRIBUTING CAROB BEAN FLOUR IN WATER AND HEATING THE SAME WITH A SOLUTION OF BORIC ACID AT A TEMPREATURE OF 70* TO 130* C. TO EFFECTUATE SEDIMENTATION OF SAID SUSPENDED INORGANIC PARTICLES AND SEPARATING THE THUS SEDIMENTED PARTICLES FROM THE SOLUTIONS.
Claim 2
Independent Claim
76 words
A METHOD OF ACCELERATING THE SPEED OF SEDIMENTATION OF SOLID INORGANIC PARTICLES SUSPENDED IN AQUEOUS SOLUTIONS OF ELECTROLYTES WHICH COMPRISES ADDING TO SAID SOLUTIONS AS COLLEECTOR AGENT A COLLOIDAL CAROB BEAN FLOUR SOLUTION PREPARED BY DISTRIBUTING CAROB BEAN FLOUR IN WATER AND HEATING THE SAME WITH A SOLUTION OF BORIC ACID AT A TEMPREATURE OF 70* TO 130* C. TO EFFECTUATE SEDIMENTATION OF SAID SUSPENDED INORGANIC PARTICLES AND SEPARATING THE THUS SEDIMENTED PARTICLES FROM THE SOLUTIONS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-27 | 1960-05-28 | 1960-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-27 | 1964-05-28 | 1964-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-27 | 1968-05-28 | 1968-11-27 | $7700.00 | Window Closed / Lapsed |