US2862803A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Prevention of rust in pipe lines and tankers with acid-type wax oxidate
Assignee: Texaco Inc
•
Filing: 1955-03-07
•
Granted: 1958-12-02
•
Expires: 1975-03-07
Abstract
No abstract record available.
Inventors
- 👤 John C D Oosterhout
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:49
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/1805; C10L1/1808; C10G; C10G73/00; C10G73/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
A COMPOSITION CONSISTING ESSENTIALLY OF A PETROLEUM DISTILLATE HAVING INCORPORATED THEREIN IN A RUST INHIBITING AMOUNT, OXIDIZED MACROCRYSTALLINE PARAFFIN WAX HAVING A NEUT. NO. BETWEEN 200-300. A SAP. NO. BETWEEN 282430, A NEUT. NO. TO SAP. NO. RATIO ABOVE 0.6, AND AN UNSAPONIFIABLE CONTENT LESS THAN 40%.
Claim 2
Dependent Claim
47 words
A COMPOSITION CONSISTING ESSENTIALLY OF A PETROLEUM DISTILLATE HAVING INCORPORATED THEREIN IN A RUST INHIBITING AMOUNT, OXIDIZED MACROCRYSTALLINE PARAFFIN WAX HAVING A NEUT. NO. BETWEEN 200-300. A SAP. NO. BETWEEN 282430, A NEUT. NO. TO SAP. NO. RATIO ABOVE 0.6, AND AN UNSAPONIFIABLE CONTENT LESS THAN 40%.
References Cited (Backward Citations)
US2186910A
Cited
US2128523A
Cited
US2486455A
Cited
US2486456A
Cited
US2667408A
Cited
US2705241A
Cited
US2682553A
Cited
US2681357A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-01 | 1962-06-02 | 1962-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-01 | 1966-06-02 | 1966-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-01 | 1970-06-02 | 1970-12-02 | $7700.00 | Window Closed / Lapsed |