US2459302A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Concentration of salts having minimum solubilities at temperatures above those of the initial solutions
Assignee: Akzo Nobel UK PLC
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Filing: 1942-12-10
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Granted: 1949-01-18
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Expires: 1962-12-10
Abstract
No abstract record available.
Inventors
- 👤 Aronson David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:12
CPC Classifications
C; C01; C01F; C01F11/00; B; B01; B01D; B01D9/00; B01D9/0018; B01D9/0022; B01D9/0031; B01D9/0036; B01D9/0059; C01D; C01D5/00; C01D5/18; Y; Y10; Y10S; Y10S159/00; Y10S159/25
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US685792A
Cited
US1006823A
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GB325650A
Cited
FR695508A
Cited
US1927555A
Cited
GB431812A
Cited
US2249192A
Cited
US2344408A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-01-18 | 1952-07-19 | 1953-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-18 | 1956-07-19 | 1957-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-18 | 1960-07-19 | 1961-01-18 | $7700.00 | Window Closed / Lapsed |