Patent US2885340A successfully refreshed from Google Patents.
US2885340A
Expired / Lapsed
US
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Coating composition comprising paraffin wax and microcrystalline wax
Assignee: Sunoco Inc
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Filing: 1955-04-27
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Granted: 1959-05-05
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Expires: 1975-04-27
Abstract
No abstract record available.
Inventors
- 👤 John D Tench
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:56
CPC Classifications
C; C09; C09D; C09D191/00; C09D191/06; C09D191/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
A WAX COMPOSITION CONSISTING ESSENTIALLY OF A HYDROCARBON PARAFFIN WAX DERIVED FROM PETROLEUM AND HAVING A MELTING POINT OF FROM 125* F. TO 132* F., A TENSILE STRENGTH AT 40 F. OF FROM 275 P.S.I.THE TENSILE STRENGTH AT 40* F. BEING AT LEAST 25 P.S.I. HIGHER THAN THE TENSILE STRENGTH AT 7O F,. AND FROM 1.4% TO 2.6% BY WEIGHT OF A MICROCRYSTALLINE WAX DERRIVED FROM PETROLEUM AND HAVING A MELTING POINT OF FROM 185* F., TO 200* F., A VISCOSITY OF FROM 81 TO 89 SUS AT 210* F., A RECFRACTIVE INDEX (ND212) OF FROM 1.435 TO 1.438. A PENETRATION OF FROM 30 TO 65 AT 160* F., AND A PENETRATION OF NOT ABOVE 5 AT 77* F.
Claim 2
Dependent Claim
119 words
A WAX COMPOSITION CONSISTING ESSENTIALLY OF A HYDROCARBON PARAFFIN WAX DERIVED FROM PETROLEUM AND HAVING A MELTING POINT OF FROM 125* F. TO 132* F., A TENSILE STRENGTH AT 40 F. OF FROM 275 P.S.I.THE TENSILE STRENGTH AT 40* F. BEING AT LEAST 25 P.S.I. HIGHER THAN THE TENSILE STRENGTH AT 7O F,. AND FROM 1.4% TO 2.6% BY WEIGHT OF A MICROCRYSTALLINE WAX DERRIVED FROM PETROLEUM AND HAVING A MELTING POINT OF FROM 185* F., TO 200* F., A VISCOSITY OF FROM 81 TO 89 SUS AT 210* F., A RECFRACTIVE INDEX (ND212) OF FROM 1.435 TO 1.438. A PENETRATION OF FROM 30 TO 65 AT 160* F., AND A PENETRATION OF NOT ABOVE 5 AT 77* F.
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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) | 1962-05-04 | 1962-11-03 | 1963-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-04 | 1966-11-03 | 1967-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-04 | 1970-11-03 | 1971-05-05 | $7700.00 | Window Closed / Lapsed |