Patent US3919098A successfully refreshed from Google Patents.
US3919098A
Expired / Lapsed
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Cutting oil of reduced stray fog
Assignee: Chevron USA Inc
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Filing: 1973-11-05
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Granted: 1975-11-11
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Expires: 1993-11-05
Abstract
Abstract A metal working composition having improved low fog properties is disclosed which comprises a major portion of a hydrocarbon oil and a minor amount of an antifog additive selected from polyisobutene, poly-n-butene and mixtures thereof, and having a viscosity average molecular weight ranging from 0.3 to 10 million.
Inventors
- 👤 Klaus H Altgelt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:36
CPC Classifications
C; C10; C10M; C10M143/00; C10M143/06; C10M2205/00; C10M2205/02; C10M2205/026; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/16; C10M2207/40; C10M2207/404; C10M2211/00; C10M2211/04; C10M2211/044; C10M2211/06; C10M2219/00; C10M2219/02; C10M2219/024; C10M2219/04; C10M2219/044; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/047; C10N; C10N2020/00; C10N2020/01; C10N2040/00; C10N2040/20; C10N2040/22
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
57 words
A COMPOSITION OF MATTER HAVING METAL WORKING PROPERTIES COMPRISING A MAJOR PORTION OF A HYDROCARBON OIL HAVING A VISCOSITY OF 50 TO 500 SUS AT 100*F AND FROM 0.0001 TO 2 WEIGHT PERCENT OF AN ANTIFOG ADDITIVE SELECTED FROM POLYSIOBUTENE, POLY N-BUTENE OR MIXTURES THEREOF, HAVING A VISCOSITY AVERAGE MOLECULAR WEIGHT RANGING FROM 0.3 TO 10 MILLION.
Claim 2
Dependent Claim
57 words
A COMPOSITION OF MATTER HAVING METAL WORKING PROPERTIES COMPRISING A MAJOR PORTION OF A HYDROCARBON OIL HAVING A VISCOSITY OF 50 TO 500 SUS AT 100*F AND FROM 0.0001 TO 2 WEIGHT PERCENT OF AN ANTIFOG ADDITIVE SELECTED FROM POLYSIOBUTENE, POLY N-BUTENE OR MIXTURES THEREOF, HAVING A VISCOSITY AVERAGE MOLECULAR WEIGHT RANGING FROM 0.3 TO 10 MILLION.
Claim 3
Dependent Claim
18 words
The composition defined in claim 1 wherein said hydrocarbon oil is a paraffinic or mixed base mineral oil.
Claim 4
Dependent Claim
19 words
The composition defined in claim 1 wherein said antifog additive is present in an amount from 0.001 to 0.1.
Claim 5
Dependent Claim
14 words
The composition defined in claim 1 wherein an extreme pressure additive is also present.
Claim 6
Dependent Claim
99 words
In a process for cutting a metal with a metal cutting tool wherein a cutting oil is contacted with said metal cutting tool and said metal during the operation, and wherein a portion of said cutting oil is displaced into the air surrounding said metal cutting tool as a fog of micronic-sized droplets, the improvement in reducing the amount of said fog which comprises incorporated into said cutting oil, from 0.0001 to 2 weight percent of an antifog additive selected from polyisobutene, poly n-butene, or mixtures thereof, having a viscosity average molecular weight ranging from 0.3 to 10 million.
Claim 7
Dependent Claim
99 words
In a process for cutting a metal with a metal cutting tool wherein a cutting oil is contacted with said metal cutting tool and said metal during the operation, and wherein a portion of said cutting oil is displaced into the air surrounding said metal cutting tool as a fog of micronic-sized droplets, the improvement in reducing the amount of said fog which comprises incorporated into said cutting oil, from 0.0001 to 2 weight percent of an antifog additive selected from polyisobutene, poly n-butene, or mixtures thereof, having a viscosity average molecular weight ranging from 0.3 to 10 million.
Claim 8
Dependent Claim
22 words
The process defined in claim 5 wherein said antifog additive is a polyisobutene having a molecular weight from 0.3 to 10 million.
Claim 9
Dependent Claim
25 words
The composition defined in claim 1 wherein said polyisobutene, poly-n-butene or mixture thereof has a viscosity average molecular weight ranging from 0.5 to 5 million.
Claim 10
Dependent Claim
21 words
The composition defined in claim 1 wherein said anti-fog additive is present in an amount from 0.001 to 0.1 weight percent.
Claim 11
Dependent Claim
21 words
The process defined in claim 5 wherEin said anti-fog additive is present in an amount from 0.001 to 0.1 weight percent.
Claim 12
Dependent Claim
25 words
The process defined in claim 5 wherein said polyisobutene, poly-n-butene or mixture thereof has a viscosity average molecular weight range from 0.5 to 5 million.
References Cited (Backward Citations)
US3510425A
Cited
US3805918A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-11-10 | 1979-05-12 | 1979-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-11-10 | 1983-05-12 | 1983-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-11-10 | 1987-05-12 | 1987-11-11 | $7700.00 | Window Closed / Lapsed |