US2666685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mold release emulsion
Assignee: Dow Silicones Corp
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Filing: 1951-07-25
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Granted: 1954-01-19
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Expires: 1971-07-25
Abstract
No abstract record available.
Inventors
- 👤 Maurice C Hommel
- 👤 Chester C Currie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:14
CPC Classifications
B; B22; B22C; B22C3/00; C; C08; C08K; C08K13/00; C08K13/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
A MOLD RELEASE EMULSION CONSISTING ESSENTIALLY OF (1) FROM 1 TO 75 PER CENT BY WEIGHT OF ORGANOSILOXANE FLUIDS, SAID ORGANOSILOXANES HAVING FROM 1.9 TO 3 HYDROCARBON RADICALS SELECTED FROM THE GROUP CONSISTING OF METHYL, (2) FROM 2 TO PHENY RADICALS, PER SILICON ATOM, (2) FROM 2 TO 20 PER CENT BY WEIGHT FINELY DIVIDED SILICA, (3) FROM 1 TO 6 PER CENT BY WEIGHT EMULSIFYING AGENTS SELECTED FROM THE GROUP CONSISTING OF MORPHOLINE SALTS OF FATTY ACIDS HAVING FROM 12 TO 18 CARBON ATOMS IN THE ACID CHAIN ACETATES OF N-PRIMARY AMINES HAVING FROM 12 TO 18 CARBON ATOMS IN THE AMINE CHAIN, MONOESTERS OF POLYETHYLENE GLYCOLS AND FATTY ACIDS HAVING 12 TO 18 CARBON ATOMS IN THE ACID CHAIN, ALKYLATED ARYL POLYETHER ALCOHOLS AND ALKALI METAL SALTS OF ALKYLATED ARYL POLYETHER SULFATES AND (4) FROM 20 TO 90 PER CENT BY WEIGHT WATER.
Claim 2
Dependent Claim
145 words
A MOLD RELEASE EMULSION CONSISTING ESSENTIALLY OF (1) FROM 1 TO 75 PER CENT BY WEIGHT OF ORGANOSILOXANE FLUIDS, SAID ORGANOSILOXANES HAVING FROM 1.9 TO 3 HYDROCARBON RADICALS SELECTED FROM THE GROUP CONSISTING OF METHYL, (2) FROM 2 TO PHENY RADICALS, PER SILICON ATOM, (2) FROM 2 TO 20 PER CENT BY WEIGHT FINELY DIVIDED SILICA, (3) FROM 1 TO 6 PER CENT BY WEIGHT EMULSIFYING AGENTS SELECTED FROM THE GROUP CONSISTING OF MORPHOLINE SALTS OF FATTY ACIDS HAVING FROM 12 TO 18 CARBON ATOMS IN THE ACID CHAIN ACETATES OF N-PRIMARY AMINES HAVING FROM 12 TO 18 CARBON ATOMS IN THE AMINE CHAIN, MONOESTERS OF POLYETHYLENE GLYCOLS AND FATTY ACIDS HAVING 12 TO 18 CARBON ATOMS IN THE ACID CHAIN, ALKYLATED ARYL POLYETHER ALCOHOLS AND ALKALI METAL SALTS OF ALKYLATED ARYL POLYETHER SULFATES AND (4) FROM 20 TO 90 PER CENT BY WEIGHT WATER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-18 | 1957-07-20 | 1958-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-18 | 1961-07-20 | 1962-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-18 | 1965-07-20 | 1966-01-19 | $7700.00 | Window Closed / Lapsed |