Patent US3962916A successfully refreshed from Google Patents.
Patent US4428851A successfully refreshed from Google Patents.
US4428851A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Volatile oil compositions for metal working
Assignee: Daikin Industries Ltd
•
Filing: 1981-12-01
•
Granted: 1984-01-31
•
Expires: 2001-12-01
Abstract
Abstract A volatile oil composition for use in metal working comprising a base oil and at least one halogenated hydrocarbon.
Inventors
- 👤 Iwao Hisamoto
- 👤 Chiaki Maeda
- 👤 Yukio Omure
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:34
CPC Classifications
C; C10; C10M; C10M111/00; C10M105/00; C10M105/02; C10M105/08; C10M105/18; C10M105/50; C10M105/52; C10M107/00; C10M107/38; C10M107/52; C10M129/00; C10M129/02; C10M129/68; C10M129/70; C10M137/00; C10M137/02; C10M137/04; C10M145/00; C10M145/18; C10M145/24; C10M145/26; C10M145/38; C10M169/00; C10M169/04; C10M169/044; C10M2203/00; C10M2203/02; C10M2203/0206; C10M2203/022; C10M2203/024; C10M2203/04; C10M2203/06; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/04; C10M2207/0406; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/284; C10M2207/286; C10M2207/287; C10M2207/289; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/109; C10M2211/00; C10M2211/02; C10M2211/0206; C10M2211/022; C10M2211/0225; C10M2211/024; C10M2211/0245; C10M2211/06; C10M2213/00; C10M2213/02; C10M2213/023; C10M2213/04; C10M2213/043; C10M2213/06; C10M2213/0606; C10M2213/062; C10M2213/0623; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2229/00; C10M2229/003; C10N; C10N2050/00; C10N2050/04
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
76 words
A volatile oil composition for use in metal working which does not remain on the surface of metal product after completion of mechanical treatment, comprising: (i) a base oil having a boiling point up to 250° C. and selected from the group consisting of saturated or unsaturated aliphatic hydrocarbons, aromatic hydrocarbons, naphthene hydrocarbons and alkyl ethers of alkylene glycol, and (ii) at least one liquid halogenated hydrocarbon having a boiling point of 35° to 125° C.
Claim 2
Dependent Claim
76 words
A volatile oil composition for use in metal working which does not remain on the surface of metal product after completion of mechanical treatment, comprising: (i) a base oil having a boiling point up to 250° C. and selected from the group consisting of saturated or unsaturated aliphatic hydrocarbons, aromatic hydrocarbons, naphthene hydrocarbons and alkyl ethers of alkylene glycol, and (ii) at least one liquid halogenated hydrocarbon having a boiling point of 35° to 125° C.
Claim 3
Dependent Claim
21 words
A composition as defined in claim 1 in which the halogenated hydrocarbon has a boiling point of 35° to 125° C.
Claim 4
Dependent Claim
15 words
A composition as defined in claim 1 in which the halogenated hydrocarbon is chlorofluoro hydrocarbon.
Claim 5
Dependent Claim
24 words
A composition as defined in claim 1 in which the base oil has a boiling point in the range of 130° to 250° C.
Claim 6
Dependent Claim
16 words
A composition as defined in claim 3 in which the chlorofluoro hydrocarbon is trichlorotrifluoroethane or tetrachlorodifluoroethane.
Claim 7
Dependent Claim
21 words
A composition as defined in claim 1 which contains a load-resisting additive having a boiling point of up to 250° C.
Claim 8
Dependent Claim
30 words
A composition as defined in claim 6 in which the load-resisting additive is one of the species selected from the group consisting of phosphate, fatty acid ester and alkyleneglycol ester.
Claim 9
Dependent Claim
24 words
A composition as defined in claim 3 in which the base oil has a boiling point in the range of 130° to 250° C.
Claim 10
Dependent Claim
31 words
A composition as defined in claim 1 in which the halogenated hydrocarbon comprises a fluro oil having the formula Cl--CF.sub.2 -CFCl).sub.n Cl wherein n is an integer of 2 to 4.
References Cited (Backward Citations)
US3862860A
Cited
US3998989A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-01-30 | 1987-08-01 | 1988-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-01-30 | 1991-08-01 | 1992-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-01-30 | 1995-08-01 | 1996-01-31 | $7700.00 | Window Closed / Lapsed |