Patent US2653918A successfully refreshed from Google Patents.
US2653918A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Addition of alkali-metal silicofluorides to latex
Assignee: Uniroyal Inc
•
Filing: 1951-02-24
•
Granted: 1953-09-29
•
Expires: 1971-02-24
Abstract
No abstract record available.
Inventors
- 👤 Charles F Eckert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:12
CPC Classifications
C; C08; C08C; C08C1/00; C08C1/14; C08C1/145; Y; Y10; Y10S; Y10S516/00; Y10S516/902
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
54 words
A FOAM OF AN ALKALI LATEX COMPOSITION ADMIXED WITH AN AQUEOUS SUSPENSION CONTAINING 0.5. TO 15 PARTS OF SODIUM SILICOFLUORIDE PER 100 PARTS OF LATEX SOLIDS, 10 TO 100 PARTS OF IETHYLENEGLYCOL MONOOLEATE PER 100 PARTS OF SODIUM SILICOFLUORIDE AND 5 TO 65 PARTS OF OLEIC ACID PER 100 PARTS OF DIEHYLENE GLYCOL MONOOLEATE.
References Cited (Backward Citations)
US1617708A
Cited
US2127252A
Cited
US2319885A
Cited
US2444869A
Cited
US2512475A
Cited
US2586275A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-28 | 1957-03-30 | 1957-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-28 | 1961-03-30 | 1961-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-28 | 1965-03-30 | 1965-09-29 | $7700.00 | Window Closed / Lapsed |