Patent US2885341A successfully refreshed from Google Patents.
US2885341A
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Coating composition comprising paraffin wax, microcrystalline wax and petroleum distillate oil
Assignee: Sunoco Inc
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Filing: 1957-07-16
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Granted: 1959-05-05
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Expires: 1977-07-16
Abstract
No abstract record available.
Inventors
- 👤 John D Tench
- 👤 Evan B Ewan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:29
CPC Classifications
C; C09; C09D; C09D191/00; C09D191/06; C09D191/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
A WAX COMPOSITION CONSISTING ESSENTIALLY OF A HYDRO-CARBON PARAFFIN WAX DERIVED FROM PETROLEUM AND HAVING A MELTING POINT OF 125 F TO 132 F., A TENSILE STRENGTH AT 40* F. OF FROM 275 TO 325 P.S.I.., THE TENSILE STRENGTH AT 40* F. BEING AT LEAST 25 P.S.I. HIGHER THAN THE TENSILE STENGTH AT 70* F., FROM ABOUT 3% TO 4% BY WEIGHT OF A MICROCRYSTALLINE WAX DERIVED FROM PETROLEUM AND HAV-NG ING A MELTING POINT OF FROM 185* F. TO 200* F., A VISCOSITY OF FROM 81 TO 89 SUS AT 210* F., A PENETRATION OF FROM 30 TO 65 AT 160* F., AND A PENETRATION OF NOT ABOVE 5 AT 7M* F., AND FROM ABOUT 0.3 TO 0.5% BY WEIGHTT OF A PETROLEUM DISTILLATE OIL HAVING AN API GRAVITY AT 6O F OF FROM 27. 5 TO 33.A VISCOSITY AT 1OO F. OF FROM 1OO TO 65O SUS AND A POUR POINT OF O F. MAXIMUM.
Claim 2
Dependent Claim
157 words
A WAX COMPOSITION CONSISTING ESSENTIALLY OF A HYDRO-CARBON PARAFFIN WAX DERIVED FROM PETROLEUM AND HAVING A MELTING POINT OF 125 F TO 132 F., A TENSILE STRENGTH AT 40* F. OF FROM 275 TO 325 P.S.I.., THE TENSILE STRENGTH AT 40* F. BEING AT LEAST 25 P.S.I. HIGHER THAN THE TENSILE STENGTH AT 70* F., FROM ABOUT 3% TO 4% BY WEIGHT OF A MICROCRYSTALLINE WAX DERIVED FROM PETROLEUM AND HAV-NG ING A MELTING POINT OF FROM 185* F. TO 200* F., A VISCOSITY OF FROM 81 TO 89 SUS AT 210* F., A PENETRATION OF FROM 30 TO 65 AT 160* F., AND A PENETRATION OF NOT ABOVE 5 AT 7M* F., AND FROM ABOUT 0.3 TO 0.5% BY WEIGHTT OF A PETROLEUM DISTILLATE OIL HAVING AN API GRAVITY AT 6O F OF FROM 27. 5 TO 33.A VISCOSITY AT 1OO F. OF FROM 1OO TO 65O SUS AND A POUR POINT OF O F. MAXIMUM.
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) | 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 |