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US2716611A Expired / Lapsed US ⏱️ 0.0 years remaining

Rust preventive composition

Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1951-10-30
•
Granted: 1955-08-30
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Expires: 1971-10-30
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Abstract

No abstract record available.

Inventors

  • 👤 Charles E Paxton

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 16:09
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2205/00; C10M2205/14; C10M2205/16; C10M2205/17; C10M2207/00; C10M2207/28; C10M2207/287; C10M2207/289; C10N; C10N2030/00; C10N2030/12

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 108 words
A RSUT INHIBITING COMPOSITION CONSISTING ESSENTIALLY OF A MAJOR PROPORTION OF MINERAL BASE SOLVENT OIL, ABOUT 2 TO 8% BY WEIGHT BASED ON THE TOTAL COMPOSITION OF, MICROCRYSTALLINE WAX OF MELTING POINT BETWEEN 140* AND 190* F. AND PENETRATION BELOW 40 MM./10 AT 77* F., ASTM, AS A PRIMARY FILM FORMING AGENT, AND 0.2 TO 3% OF A LONG CHAIN FATTY ACID PARTIAL ESTER OF POLYHYDRIC ALCOHOL AS A SURFACE ACTIVE AND SYNERGISTIC RUST INHIBITING AGENT, SAID FATTY ACID PORTION OF THE PARTIAL ESTER CONTAINING FROM ABOUT 12 TO 22 CARBON ATOMS AND SAID POLYHYDRIC ALCOHOL PORTION IS SELECTED FROM THE GROUP CONSISTING OF SORBITAN, MANNITAN AND PENTAERYTHRITOL.
Claim 2
Dependent Claim 108 words
A RSUT INHIBITING COMPOSITION CONSISTING ESSENTIALLY OF A MAJOR PROPORTION OF MINERAL BASE SOLVENT OIL, ABOUT 2 TO 8% BY WEIGHT BASED ON THE TOTAL COMPOSITION OF, MICROCRYSTALLINE WAX OF MELTING POINT BETWEEN 140* AND 190* F. AND PENETRATION BELOW 40 MM./10 AT 77* F., ASTM, AS A PRIMARY FILM FORMING AGENT, AND 0.2 TO 3% OF A LONG CHAIN FATTY ACID PARTIAL ESTER OF POLYHYDRIC ALCOHOL AS A SURFACE ACTIVE AND SYNERGISTIC RUST INHIBITING AGENT, SAID FATTY ACID PORTION OF THE PARTIAL ESTER CONTAINING FROM ABOUT 12 TO 22 CARBON ATOMS AND SAID POLYHYDRIC ALCOHOL PORTION IS SELECTED FROM THE GROUP CONSISTING OF SORBITAN, MANNITAN AND PENTAERYTHRITOL.

References Cited (Backward Citations)

US2359946A Cited
US2564422A Cited
US2535604A Cited
US2564423A Cited
US2580036A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1958-08-29 1959-02-28 1959-08-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1962-08-29 1963-02-28 1963-08-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1966-08-29 1967-02-28 1967-08-30 $7700.00 Window Closed / Lapsed

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