Patent US4215002A successfully refreshed from Google Patents.
US4215002A
Expired / Lapsed
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Water-based phosphonate lubricants
Assignee: Texaco Inc
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Filing: 1978-07-31
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Granted: 1980-07-29
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Expires: 1998-07-31
Abstract
Abstract Water-based lubricant useful for metal cutting, grinding and forming and suitable as hydraulic fluids are described as consisting essentially of 0.5 to 4 percent by weight, balance, water; of a synergistic blend of a C6 to C18 alkylphosphonate or an amine adduct thereof and an ethoxylate of an acid or an alcohol containing from 3 to 20 ethoxy groups wherein the acid or alcohol is derived from fatty or synthetic sources.
Inventors
- 👤 Richard S. Fein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:24
CPC Classifications
C; C10; C10M; C10M173/00; C10M173/02; C10M2201/00; C10M2201/02; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/24; C10M2215/26; C10M2223/00; C10M2223/06; C10M2223/065; C10N; C10N2040/00; C10N2040/08; C10N2040/20; C10N2040/22; C10N2040/24; C10N2040/241; C10N2040/242; C10N2040/243; C10N2040/244; C10N2040/245; C10N2040/246; C10N2040/247; C10N2050/00; C10N2050/01
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
57 words
A water-based lubricating composition suitable for metal cutting, grinding, and forming operations and as a hydraulic fluid, comprising an emulsion containing from 0.5 to 4.0 percent of a C 6 to C 18 alkylphosphonate or an amine adduct thereof and an ethoxylate of an acid or an alcohol containing from 3 to 20 ethoxy groups, balance water.
Claim 2
Dependent Claim
57 words
A water-based lubricating composition suitable for metal cutting, grinding, and forming operations and as a hydraulic fluid, comprising an emulsion containing from 0.5 to 4.0 percent of a C 6 to C 18 alkylphosphonate or an amine adduct thereof and an ethoxylate of an acid or an alcohol containing from 3 to 20 ethoxy groups, balance water.
Claim 3
Dependent Claim
16 words
The composition according to claim 1 containing the reaction product of dimethyltetradecane phosphonate and oleyl amine.
Claim 4
Dependent Claim
16 words
The composition according to claim 1 containing an 85/15 mixture of dimethyltetadecane phosphonate and 5-ethoxy-oleyl ester.
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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) | 1983-07-29 | 1984-01-28 | 1984-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-07-29 | 1988-01-28 | 1988-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-07-29 | 1992-01-28 | 1992-07-29 | $7700.00 | Window Closed / Lapsed |