US2583938A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing stable aerated wax compositions and articles
Assignee: Standard Oil Co
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Filing: 1948-11-30
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Granted: 1952-01-29
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Expires: 1968-11-30
Abstract
No abstract record available.
Inventors
- 👤 French August
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:48
CPC Classifications
C; C11; C11C; C11C5/00; C11C5/002
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
164 words
THE METHOD OF PREPARING A MOLDED OPAQUE WAX ARTICLE COMPRISING HEATING TO A TEMPERATURE ABOVE ABOUT 165* F. A WAX MIXTURE, FREE OF AN ADDED FORTH STABILIZER, AND CONSISTING ESSENTIALLY OF A PARAFFIN WAX HAVING A MELTING POINT OF FROM ABOUT 120* F. TO ABOUT 140* F., AND FROM ABOUT 0.5% TO ABOUT 25%, BY WEIGHT, OF A MICROCRYSTALLINE WAX HAVING A MELTING POINT ABOVE ABOUT 145* F., COOLING THE HEATED MIXTURE TO A TEMPERATURE WITHIN 3* F. TO ABOUT 4* F. ABOVE THE MELTING POINT OF THE PARAFFIN WAX COMPONENT OF SAID MIXTURE WHILE STIRRING VIGOROUSLY AND INTRODUCING A GASEOUS MEDIUMIN SAID COOLING WAX MIXTURE, WHEREBY A STABLE OPAQUE ARATED FREEFLOWING EMULSION-LIKE WAX COMPOSITION IS OBTAINED, TRANSPORTING TO A MOLD SAID STABLE AERATED FREE-FLOWING EMULSION-LIKE WAX COMPOSITION WHILE MAINTAINED AT A TEMPERATURE OF 3* F. TO 4* F. ABOVE THE MELTING POINT OF THE PARAFFIN WAX COMPONENT OF SAID EMULSION-LIKE WAX COMPOSITION, AND PERMITTING SAID EMULSION-LIKE WAX COMPOSITION TO SOLIDIFY IN SIAD MOLD.
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) | 1955-01-28 | 1955-07-30 | 1956-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-28 | 1959-07-30 | 1960-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-28 | 1963-07-30 | 1964-01-29 | $7700.00 | Window Closed / Lapsed |