Patent US2773812A successfully refreshed from Google Patents.
US2773812A
Expired / Lapsed
US
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Wax composition
Assignee: Sunoco Inc
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Filing: 1954-05-18
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Granted: 1956-12-11
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Expires: 1974-05-18
Abstract
No abstract record available.
Inventors
- 👤 John D Tench
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:57
CPC Classifications
A; A23; A23C; A23C19/00; A23C19/14; A23C19/16; A23C19/163; C; C08; C08L; C08L91/00; C08L91/06; C08L91/08; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31801
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A NEW COMPOSITION OF MATTER COMPRISING: (A) FROM 60 TO 70 PARTS OF A PARAFFIN WAX HAVING A MELTING POINT OF FROM ABOUT 125* F. TO 142* F., A VISCOSITY OF ABOUT 35 TO 42 SUS AT 210* F., A REFRACTIVE INDEX AT 212* F. OF FROM 1.419 TO 1.423 AND AN AVERAGE MOLECULAR WEIGHT OF FROM ABOUT 355 TO ABOUT 400; (B) FROM 25 TO 35 PARTS OF A MICROCYSTALLINE WAX BOILING ABOVE ABOUT 525* F. AT 2 MM. MERCURY PRESSURE, AND HAVING A MELTING POINT OF FROM ABOUT 185* F. TO ABOUT 200* F., A VISCOSITY AT 210* F. OF FROM ABOUT 81 TO 89 SUS, A REFRACTIVE INDEX
Claim 2
Dependent Claim
111 words
A NEW COMPOSITION OF MATTER COMPRISING: (A) FROM 60 TO 70 PARTS OF A PARAFFIN WAX HAVING A MELTING POINT OF FROM ABOUT 125* F. TO 142* F., A VISCOSITY OF ABOUT 35 TO 42 SUS AT 210* F., A REFRACTIVE INDEX AT 212* F. OF FROM 1.419 TO 1.423 AND AN AVERAGE MOLECULAR WEIGHT OF FROM ABOUT 355 TO ABOUT 400; (B) FROM 25 TO 35 PARTS OF A MICROCYSTALLINE WAX BOILING ABOVE ABOUT 525* F. AT 2 MM. MERCURY PRESSURE, AND HAVING A MELTING POINT OF FROM ABOUT 185* F. TO ABOUT 200* F., A VISCOSITY AT 210* F. OF FROM ABOUT 81 TO 89 SUS, A REFRACTIVE INDEX
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-11 | 1960-06-11 | 1960-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-11 | 1964-06-11 | 1964-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-11 | 1968-06-11 | 1968-12-11 | $7700.00 | Window Closed / Lapsed |