US4177154A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthetic aqueous based metal working fluid compositions
Assignee: Rhone Poulenc Surfactants and Specialties LP
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Filing: 1978-06-05
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Granted: 1979-12-04
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Expires: 1998-06-05
Abstract
Abstract Phosphoric acid esters of poly(2-10)ethyleneoxy n butane 1,4-diols provide water soluble lubricants suited for formulating light to heavy duty water-based metal working fluid compositions.
Inventors
- 👤 Paritosh M. Chakrabarti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:56
CPC Classifications
C; C10; C10M; C10M173/00; C10M173/02; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/091; C10M137/00; C10M137/02; C10M137/04; C10M137/06; C10M137/08; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C23F11/167; C23F11/1673; C10M2201/00; C10M2201/02; C10M2201/08; C10M2201/082; C10M2201/083; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2225/00; C10M2225/02; C10N; C10N2030/00; C10N2030/12; C10N2040/00; C10N2040/20; C10N2040/22; C10N2050/00; C10N2050/01; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
30 words
Synthetic metal working composition concentrates comprising phosphoric acid esters of poly (2-10) ethyleneoxy n butane 1,4-diols in aqueous solution having the pH of the composition adjusted to the alkaline side.
Claim 2
Dependent Claim
30 words
Synthetic metal working composition concentrates comprising phosphoric acid esters of poly (2-10) ethyleneoxy n butane 1,4-diols in aqueous solution having the pH of the composition adjusted to the alkaline side.
Claim 3
Dependent Claim
23 words
Synthetic metal working composition concentrates as set forth in claim 1 wherein the pH of the composition is adjusted to at least 7.5.
Claim 4
Dependent Claim
33 words
Synthetic metal working composition concentrate as set forth in claim 1 wherein the pH is adjusted by reacting the phosphoric acid esters of poly (2-10) ethylenoxy n butane 1,4-diols with an alkaline material.
Claim 5
Dependent Claim
44 words
Synthetic metal working composition concentrate as set forth in claim 3 wherein the alkaline material produces salts selected from the group consisting of ammonium, substituted ammonium, alkali metal and alkaline earth metal salts of phosphoric acid esters of poly (2-10) ethylenoxy n butane 1,4-diols.
Claim 6
Dependent Claim
18 words
Synthetic metal working composition concentrates as set forth in claim 4 wherein the alkaline material is triethanol amine.
Claim 7
Dependent Claim
24 words
Synthetic metal working composition concentrates as set forth in claim 4 wherein there is also present an auxiliary anti-foaming agent and a rust inhibitor.
Claim 8
Dependent Claim
40 words
A synthetic metal working composition comprising phosphoric acid esters of poly (2-10) ethyleneoxy n butane 1,4-diols being present in aqueous solution in an amount by weight from 0.1 to 1.2%, the pH of the composition adjusted to the alkaline side.
Claim 9
Dependent Claim
40 words
A synthetic metal working composition comprising phosphoric acid esters of poly (2-10) ethyleneoxy n butane 1,4-diols being present in aqueous solution in an amount by weight from 0.1 to 1.2%, the pH of the composition adjusted to the alkaline side.
Claim 10
Dependent Claim
23 words
A synthetic metal working composition as set forth in claim 7 wherein the pH of the composition is adjusted to at least 7.5.
Claim 11
Dependent Claim
33 words
A synthetic metal working composition as set forth in claim 7 wherein the pH is adjusted by reacting the phosphoric acid esters of poly (2-10) ethyleneoxy n butane 1,4-diols with an alkaline material.
Claim 12
Dependent Claim
45 words
A synthetic metal working composition as set forth in claim 9 wherein the alkaline material produces salts selected from the group consisting of ammonium, substituted ammonium, alkali metal and alkaline earth metal salts of the phosphoric acid esters of poly (2-10) ethyleneoxy n butane 1,4-diols.
Claim 13
Dependent Claim
24 words
A synthetic metal working composition as set forth in claim 10 wherein there is also present an auxiliary anti-foaming agent and a rust inhibitor.
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) | 1982-12-03 | 1983-06-04 | 1983-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-12-03 | 1987-06-04 | 1987-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-12-03 | 1991-06-04 | 1991-12-04 | $7700.00 | Window Closed / Lapsed |