US2518296A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Secondary clarification of sugar solutions
Assignee: HAWALIAN PINEAPPLE Co Ltd
•
Filing: 1949-07-23
•
Granted: 1950-08-08
•
Expires: 1969-07-23
Abstract
No abstract record available.
Inventors
- 👤 George M Eguchi
- 👤 Clinton H Wells
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:53
CPC Classifications
B; B03; B03D; B03D1/00; B03D1/02; B03D1/14; B03D1/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
IN THE TREATMENT OF A SUGAR SOLUTION CONTAINING TURBIDITY-IMPARTING GAS ADHESIVE SUBSTANCES, SAID SOLUTION OR A PARENT LIQUID FROM WHICH IT WAS DIRECTLY DERIVED HAVING BEEN SUBJECTED TO SETTLING FOLLOWING CHEMICAL TREATMENT CAUSING PRECIPITATION OF IMPURITIES SEPARATED BY THE SETTLING, THE IMPROVEMENT WHICH COMPRISES INTRODUCING MINUTE GAS BUBBLES INTO THE SOLUTION AT A POINT WELL BELOW THE SURFACE THEREOF WITH VIOLENT AGITATION OF THE SOLUTION IN THE AREA OF THE GAS INTRODUCTION, THE AGITATION BEING SUBSTANTIALLY CONFINED TO SUCH AREA AND NOT CAUSING SWIRLING OR SURGING AT THE SURFACE OF THE SOLUTION, AND SEPARATING THE RESULTING FROTH FROM THE SURFACE OF THE SOLUTION.
Claim 2
Dependent Claim
103 words
IN THE TREATMENT OF A SUGAR SOLUTION CONTAINING TURBIDITY-IMPARTING GAS ADHESIVE SUBSTANCES, SAID SOLUTION OR A PARENT LIQUID FROM WHICH IT WAS DIRECTLY DERIVED HAVING BEEN SUBJECTED TO SETTLING FOLLOWING CHEMICAL TREATMENT CAUSING PRECIPITATION OF IMPURITIES SEPARATED BY THE SETTLING, THE IMPROVEMENT WHICH COMPRISES INTRODUCING MINUTE GAS BUBBLES INTO THE SOLUTION AT A POINT WELL BELOW THE SURFACE THEREOF WITH VIOLENT AGITATION OF THE SOLUTION IN THE AREA OF THE GAS INTRODUCTION, THE AGITATION BEING SUBSTANTIALLY CONFINED TO SUCH AREA AND NOT CAUSING SWIRLING OR SURGING AT THE SURFACE OF THE SOLUTION, AND SEPARATING THE RESULTING FROTH FROM THE SURFACE OF THE SOLUTION.
References Cited (Backward Citations)
US1317607A
Cited
US1510809A
Cited
US1052195A
Cited
US1201104A
Cited
US1233919A
Cited
US1967310A
Cited
US2162379A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-07 | 1954-02-06 | 1954-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-07 | 1958-02-06 | 1958-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-07 | 1962-02-06 | 1962-08-08 | $7700.00 | Window Closed / Lapsed |