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US3629112A
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Aqueous lubricating compositions containing salts of styrene-maleic anhydride copolymers and an inorganic boron compound
Assignee: Atlantic Richfield Co
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Filing: 1968-11-25
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Granted: 1971-12-21
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Expires: 1988-11-25
Abstract
Abstract AQUEOUS COOLING COMPOSITIONS, SUITABLE FOR USE IN METAL WORKING, ARE PREPARED WHICH CONTAIN A MINOR AMOUNT OF A WATER-SOLUBLE SALT OF A COPOLYMER OF STYRENE AND MALEIC ANHYDRIDE OR A PARTIAL ESTER THEREOF, OR A WATERSOLUBLE PARTIAL ESTER OF TE COPOLYMER, TOGETHER WITH A MINOR AMOUND OF BORIC ACID OR OTHER BORON COMPOUND WHICH YIELDS BORIC ACID ON HYDRATION. IMPROVEMENT IN LUBRICATING PROPERTIES OF THE COMPOSITION ARE REALIZED BY INCORPORATING A MINOR AMOUNT OF A WATER-SOLUBLE EXTREME PRESSURE AGENT SUCH AS AN ORGANIC PHOSPHATE ESTER OR WATER-SOLUBLE OR DISPERSIBLE SOAPS OF FATS, FATTY ACIDS OR DERIVATIVES THEREOF.
Inventors
- 👤 Howard D Gower
- 👤 Bob G Gower
- 👤 David Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:35
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) | 1974-12-20 | 1975-06-21 | 1975-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-20 | 1979-06-21 | 1979-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-20 | 1983-06-21 | 1983-12-21 | $7700.00 | Window Closed / Lapsed |