Patent US1664517A successfully refreshed from Google Patents.
Patent US2716611A successfully refreshed from Google Patents.
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
•
Expires: 1971-10-30
Abstract
No abstract record available.
Inventors
- 👤 Charles E Paxton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:35
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)
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 |