US2828213A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-flammable corrosion preventive compositions
Assignee: Union Oil Company of California
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Filing: 1954-11-19
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Granted: 1958-03-25
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Expires: 1974-11-19
Abstract
No abstract record available.
Inventors
- 👤 Loren L Neff
- 👤 William L Wasley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:36
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/18; C23; C23F; C23F11/00; C23F11/08; C23F11/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A NON-FLAMMABLE RUST PREVENTIVE COMPOSITION SUITABLE FOR APPLICATION OF FERROUS METAL SURFACES, TO FORM A SOLID, NON-BRITTLE, NON-TACKY ADHERENT COATING THEREON, WHICH COMPRISES FROM ABOUT 85% TO ABOUT 97% BY WEIGHT OF A HIGHLY CHLORINATED POLYPHENYL, BETWEEN ABUT 0.5% AND ABOUT 7.5% BY WEIGHT OF A PETROLEUM SULFONATE AND BETWEEN ABOUT 1.5% AND ABOUT 7.5% BY WEIGHT OF A RELATIVELY HIGH MOLECULAR WEIGHT PARTIAL ESTER OF A POLYHYDRIC ALCOHOL AND CHLORINATE POLYPHENYL BEING A SOLID COMPOUND CONTAINING BETWEEN ABOUT 50% AND ABOUT 70% BY WEIGHT OF CHLORINE.
Claim 2
Dependent Claim
87 words
A NON-FLAMMABLE RUST PREVENTIVE COMPOSITION SUITABLE FOR APPLICATION OF FERROUS METAL SURFACES, TO FORM A SOLID, NON-BRITTLE, NON-TACKY ADHERENT COATING THEREON, WHICH COMPRISES FROM ABOUT 85% TO ABOUT 97% BY WEIGHT OF A HIGHLY CHLORINATED POLYPHENYL, BETWEEN ABUT 0.5% AND ABOUT 7.5% BY WEIGHT OF A PETROLEUM SULFONATE AND BETWEEN ABOUT 1.5% AND ABOUT 7.5% BY WEIGHT OF A RELATIVELY HIGH MOLECULAR WEIGHT PARTIAL ESTER OF A POLYHYDRIC ALCOHOL AND CHLORINATE POLYPHENYL BEING A SOLID COMPOUND CONTAINING BETWEEN ABOUT 50% AND ABOUT 70% BY WEIGHT OF CHLORINE.
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) | 1961-03-24 | 1961-09-23 | 1962-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-24 | 1965-09-23 | 1966-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-24 | 1969-09-23 | 1970-03-25 | $7700.00 | Window Closed / Lapsed |