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US2885341A Expired / Lapsed US ⏱️ 0.0 years remaining

Coating composition comprising paraffin wax, microcrystalline wax and petroleum distillate oil

Assignee: Sunoco Inc
•
Filing: 1957-07-16
•
Granted: 1959-05-05
•
Expires: 1977-07-16
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Abstract

No abstract record available.

Inventors

  • 👤 John D Tench
  • 👤 Evan B Ewan

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 03:43
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)

US2361582A Cited
US2744031A Cited
US2624501A Cited
US2783161A Cited
US2773812A Cited
US2816845A Cited

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

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