US2901361A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mold release agent
Assignee: Allied Asphalt and Mineral Corp
•
Filing: 1956-09-06
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Granted: 1959-08-25
•
Expires: 1976-09-06
Abstract
No abstract record available.
Inventors
- 👤 Jr Frederick W Meisel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:40
CPC Classifications
B; B29; B29C; B29C33/00; B29C33/56; B29C33/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A MOLD RELEASE AGENT FOR SPRAYING OR PAINTING ON THE SURFACES OF A MOLD OR THE LIKE CONSISTING ESSENTIALLY OF A WATER EMULSION INCLUDING A SUBSTANTIALLY HOMO GENEOUS MIXTURE OF AN ESTERSIL AND LIQUID RELEASE MATERIAL SELECTED FROM THE CLASS CONSISTING OF OILS, WAXES, GREASES, ESTER, POLYALKYLENE GLYCOL, AND GLYCEROL, AND AN EMULSIFYING AGENT CONSISTING ESSENTIALLY OF SUBSTANTIALLY 5 PARTS HYDROPHOBIC POLYOXYETHYLENE LAURYL ETHER AND 10 PARTS HYDROPHILIC POLYOXYETHYLENE LAUYRYL ETHER, THE PROPORTIONS BY WEIGHT OF WATER, ESTERSIL, AND RELEASE MATERIAL BEING SUBSTANTIALLY IN THE RATIO OF 48:2.5:32.5.
Claim 2
Dependent Claim
88 words
A MOLD RELEASE AGENT FOR SPRAYING OR PAINTING ON THE SURFACES OF A MOLD OR THE LIKE CONSISTING ESSENTIALLY OF A WATER EMULSION INCLUDING A SUBSTANTIALLY HOMO GENEOUS MIXTURE OF AN ESTERSIL AND LIQUID RELEASE MATERIAL SELECTED FROM THE CLASS CONSISTING OF OILS, WAXES, GREASES, ESTER, POLYALKYLENE GLYCOL, AND GLYCEROL, AND AN EMULSIFYING AGENT CONSISTING ESSENTIALLY OF SUBSTANTIALLY 5 PARTS HYDROPHOBIC POLYOXYETHYLENE LAURYL ETHER AND 10 PARTS HYDROPHILIC POLYOXYETHYLENE LAUYRYL ETHER, THE PROPORTIONS BY WEIGHT OF WATER, ESTERSIL, AND RELEASE MATERIAL BEING SUBSTANTIALLY IN THE RATIO OF 48:2.5:32.5.
References Cited (Backward Citations)
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Cited
US2056048A
Cited
US2400001A
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US2604664A
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US2586211A
Cited
US2676148A
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US2692863A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-24 | 1963-02-23 | 1963-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-24 | 1967-02-23 | 1967-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-24 | 1971-02-23 | 1971-08-25 | $7700.00 | Window Closed / Lapsed |