Patent US2586211A successfully refreshed from Google Patents.
US2586211A
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Release agent
Assignee: Dow Silicones Corp
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Filing: 1950-08-23
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Granted: 1952-02-19
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Expires: 1970-08-23
Abstract
No abstract record available.
Inventors
- 👤 Chester C Currie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:52
CPC Classifications
B; B29; B29C; B29C33/00; B29C33/56; B29C33/60; B29C33/62; B29C33/64; C; C08; C08L; C08L83/00; C08L83/04; B29K; B29K2007/00; B29K2021/00; C08G; C08G77/00; C08G77/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A COMPOSITION OF MATTER COMPOSED OF FROM 10 TO 35 PER CENT BY WEIGHT OF A LIQUID METHYL POLYSILOXANE, FROM 2 TO 5 PER CENT BY WEIGHT OF AN EMULSIFYING AGENT, FROM 10 TO 50 PER CENT BY WEIGHT OF A POLYETHYLENE GLYCOL, FROM 5 TO 30 PER CENT BY WEIGHT OF AN ALKALI METAL SALT OF A SULFONATED FATTY ALCOHOL, FROM 10 TO 25 PER CENT BY WEIGHT OF A POWDERED SILICEOUS MATERIAL, AND FROM 15 TO 23 PER CENT BY WEIGHT WATER.
Claim 2
Dependent Claim
84 words
A COMPOSITION OF MATTER COMPOSED OF FROM 10 TO 35 PER CENT BY WEIGHT OF A LIQUID METHYL POLYSILOXANE, FROM 2 TO 5 PER CENT BY WEIGHT OF AN EMULSIFYING AGENT, FROM 10 TO 50 PER CENT BY WEIGHT OF A POLYETHYLENE GLYCOL, FROM 5 TO 30 PER CENT BY WEIGHT OF AN ALKALI METAL SALT OF A SULFONATED FATTY ALCOHOL, FROM 10 TO 25 PER CENT BY WEIGHT OF A POWDERED SILICEOUS MATERIAL, AND FROM 15 TO 23 PER CENT BY WEIGHT WATER.
References Cited (Backward Citations)
US2151362A
Cited
US2406671A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-18 | 1955-08-20 | 1956-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-18 | 1959-08-20 | 1960-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-18 | 1963-08-20 | 1964-02-19 | $7700.00 | Window Closed / Lapsed |