US3645897A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water based lubricants
Assignee: Atlantic Richfield Co
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Filing: 1969-09-26
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Granted: 1972-02-29
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Expires: 1989-09-26
Abstract
Abstract WATER-SOLUBLE AMINE SALTS OF STYRENE-MALEIC ANHYDRIDE COPOLYMER RESINS AND HALF-ESTERS THEREOF ARE EMPLOYED IN AQUEOUS SOLUTIONS AS COOLANTS AND LUBRICANTS FOR METAL WORKING AND OPERATIONS. METAL WORKING LUBRICANT COMPOSITIONS ARE ALSO FORMULATED WITH COMPRISE THESE AMINE SALTS ALONG WITH EXTREME PRESSURE AGENTS SUCH AS AMINE SALTS OF FATTY ACIDS AND ORGANIC PHOSPHATE ESTERS. OTHER ADDITIVES MAY ALSO BE EMPLOYED IN THE LUBRICATING COMPOSITIONS OF THIS INVENTION.
Inventors
- 👤 Howard D Gower
- 👤 Bob G Gower
- 👤 David W Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:05
CPC Classifications
C; C10; C10M; C10M173/00; C10M173/02; C10M125/00; C10M125/26; C10M129/00; C10M129/02; C10M129/04; C10M129/06; C10M129/08; C10M133/00; C10M133/02; C10M133/04; C10M133/06; C10M133/08; C10M137/00; C10M137/02; C10M137/04; C10M143/00; C10M143/10; C10M145/00; C10M145/02; C10M145/10; C10M145/16; C10M145/18; C10M145/24; C10M145/26; C10M145/28; C10M145/36; C10M2201/00; C10M2201/02; C10M2201/08; C10M2201/082; C10M2201/083; C10M2201/087; C10M2201/10; C10M2201/102; C10M2201/105; C10M2205/00; C10M2205/04; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2207/023; C10M2207/04; C10M2207/046; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/086; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/105; C10M2209/108; C10M2209/109; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/24; C10M2215/26; C10M2217/00; C10M2217/02; C10M2217/022; C10M2217/04; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2223/043; C10M2225/00; C10M2225/02; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/041; C10M2229/05; C10N; C10N2040/00; C10N2040/20; C10N2040/22; C10N2040/24; C10N2040/241; C10N2040/242; C10N2040/243; C10N2040/244; C10N2040/245; C10N2040/246; C10N2040/247; C10N2050/00; C10N2050/01; C10N2070/00; C10N2070/02
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-02-28 | 1975-08-30 | 1976-02-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-02-28 | 1979-08-30 | 1980-02-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-02-28 | 1983-08-30 | 1984-02-29 | $7700.00 | Window Closed / Lapsed |