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US3933658A
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Metalworking additive and composition
Assignee: ISP Investments LLC
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Filing: 1974-11-29
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Granted: 1976-01-20
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Expires: 1994-11-29
Abstract
Abstract A metalworking composition and an additive for a metalworking composition which imparts extreme pressure, antiwear, and corrosion-inhibiting properties to the metalworking composition. The additive comprises a phosphate ester and a sulphur compound. The composition comprises the additive used in an oil-based vehicle.
Inventors
- 👤 John P. G. Beiswanger
- 👤 Asadullah Nassry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:14
CPC Classifications
C; C10; C10M; C10M173/00; C10M2201/00; C10M2201/02; C10M2201/04; C10M2201/043; C10M2201/06; C10M2201/061; C10M2201/16; C10M2201/18; C10M2203/00; C10M2203/10; C10M2203/102; C10M2203/104; C10M2203/106; C10M2203/108; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/40; C10M2207/404; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/105; C10M2209/106; C10M2209/109; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2219/00; C10M2219/02; C10M2219/022; C10M2219/024; C10M2219/04; C10M2219/044; C10M2219/08; C10M2219/082; C10M2219/083; C10M2219/086; C10M2219/10; C10M2219/102; C10M2219/104; C10M2219/106; C10M2221/00; C10M2221/04; C10M2221/043; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2223/043; C10M2225/00; C10M2225/02; C10N; C10N2010/00; C10N2010/02; C10N2010/04; 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
Claims Analysis
Total Claims: 29
Claim 1
Independent Claim
269 words
An additive composition for imparting a combination of extreme pressure, antiwear and corrosion-inhibiting properties to a metalworking composition, said additive comprising: a. a phosphate ester having the following formula: ##EQU4## wherein EO is ethylene oxide; R is selected from the group consisting of linear or branched chain alkyl groups having from 6 to 30 carbon atoms, phenyl, alkylphenyl, wherein the alkyl group has from 1 to 10 carbon atoms, and dialkyl phenyl wherein the alkyl groups have a total of from 2 to 20 carbon atoms; X is selected from hydrogen, ammonium, amines and metals from groups I-A, I-B, II-A and II-B of the periodic table; n is a number from 0 to 50; a is 1, 2 or 3, and b is 0, 1 or 2 with the proviso that said a plus said b equals 3; and b. a sulphur-containing compound selected from the group consisting of elemental sulphur; sulphurized mineral oils; 2-mercaptobenzothiazole; 5-substituted, 6-substituted and 7-substituted 2-mercaptobenzothiazole wherein the substituent is selected from the group consisting of chloro, bromo, sulfonic acid, amido, methyl, carboxylic acid, and ethoxy; 2-mercaptobenzothiazole derivatives having the following formula: ##SPC4## wherein X is selected from hydrogen, hydroxymethyl and metals of groups I-A, I-B, II-A and II-B of the periodic table; derivatives of 2-mercaptothiazole having the formula: ##SPC5## wherein X is selected from hydrogen, hydroxymethyl and metals from groups I-A, I-B, II-A and II-B of the periodic table; R is selected from hydrogen and an alkyl group having from 1 to 10 carbon atoms; and R 1 is selected from hydrogen, an alkyl group having from 1 to 10 carbon atoms, carboxy, ##EQU5##
Claim 2
Dependent Claim
269 words
An additive composition for imparting a combination of extreme pressure, antiwear and corrosion-inhibiting properties to a metalworking composition, said additive comprising: a. a phosphate ester having the following formula: ##EQU4## wherein EO is ethylene oxide; R is selected from the group consisting of linear or branched chain alkyl groups having from 6 to 30 carbon atoms, phenyl, alkylphenyl, wherein the alkyl group has from 1 to 10 carbon atoms, and dialkyl phenyl wherein the alkyl groups have a total of from 2 to 20 carbon atoms; X is selected from hydrogen, ammonium, amines and metals from groups I-A, I-B, II-A and II-B of the periodic table; n is a number from 0 to 50; a is 1, 2 or 3, and b is 0, 1 or 2 with the proviso that said a plus said b equals 3; and b. a sulphur-containing compound selected from the group consisting of elemental sulphur; sulphurized mineral oils; 2-mercaptobenzothiazole; 5-substituted, 6-substituted and 7-substituted 2-mercaptobenzothiazole wherein the substituent is selected from the group consisting of chloro, bromo, sulfonic acid, amido, methyl, carboxylic acid, and ethoxy; 2-mercaptobenzothiazole derivatives having the following formula: ##SPC4## wherein X is selected from hydrogen, hydroxymethyl and metals of groups I-A, I-B, II-A and II-B of the periodic table; derivatives of 2-mercaptothiazole having the formula: ##SPC5## wherein X is selected from hydrogen, hydroxymethyl and metals from groups I-A, I-B, II-A and II-B of the periodic table; R is selected from hydrogen and an alkyl group having from 1 to 10 carbon atoms; and R 1 is selected from hydrogen, an alkyl group having from 1 to 10 carbon atoms, carboxy, ##EQU5##
Claim 3
Dependent Claim
120 words
2'-dithiobisthiazole and derivatives thereof having the following formula: ##SPC6## wherein R 2 , R 3 , R 4 and R 5 are selected from the group consisting of hydrogen and an alkyl group having from 1 to 10 carbon atoms; 2,2'-dithiobis(benzothiazole) and 5,5', 6,6', and 7,7' substituted derivatives thereof wherein the substituent is taken from a group consisting of dichloro, dibromo, disulfonic acid, diamido, dimethyl, dicarboxylic acid, and diethoxy; 2-mercaptonaphthiazole; 2,2'-dithiobis(naphthothiazole); diphenyl sulfide; diphenyl disulfide and di-tert-butyl sulfone, the weight ratio of said phosphate ester to said sulphur-containing compound being in a range of from about 25:1 to about 1:1 based on the weight of sulphur in said sulphur-containing comoound, said additive composition containing at least about 0.005% sulphur by
Claim 4
Dependent Claim
120 words
2'-dithiobisthiazole and derivatives thereof having the following formula: ##SPC6## wherein R 2 , R 3 , R 4 and R 5 are selected from the group consisting of hydrogen and an alkyl group having from 1 to 10 carbon atoms; 2,2'-dithiobis(benzothiazole) and 5,5', 6,6', and 7,7' substituted derivatives thereof wherein the substituent is taken from a group consisting of dichloro, dibromo, disulfonic acid, diamido, dimethyl, dicarboxylic acid, and diethoxy; 2-mercaptonaphthiazole; 2,2'-dithiobis(naphthothiazole); diphenyl sulfide; diphenyl disulfide and di-tert-butyl sulfone, the weight ratio of said phosphate ester to said sulphur-containing compound being in a range of from about 25:1 to about 1:1 based on the weight of sulphur in said sulphur-containing comoound, said additive composition containing at least about 0.005% sulphur by
Claim 5
Dependent Claim
102 words
weight, based on the total weight of said additive composition. 2. The additive composition of claim 1 wherein the ratio of phosphate ester to sulphur-containing compound is from 10:1 to 1:1 by weight based on the sulphur content of the sulphur-containing compound and wherein R of the formula of (a) is selected from the group consisting of a linear alkyl group having from 6 to 20 carbon atoms, an alkyl phenyl group, the alkyl group having from 1 to 14 carbon atoms, and phenyl; n is a number from 1 to 10; and X is selected from hydrogen, ammonium, diethanolamine, and triethanolamine.
Claim 6
Dependent Claim
12 words
The composition of claim 2 in which said sulphur-containing compound comprises 2-mercaptobenzothiazole.
Claim 7
Dependent Claim
36 words
The composition of claim 2 in which the sulphur-containing compound comprises 5-substituted, 6-substituted and 7-substituted 2-mercaptobenzothiazole wherein the substituent is selected from the group consisting of chloro, bromo, sulfonic acid, amido, methyl, carboxylic acid, and ethoxy.
Claim 8
Dependent Claim
38 words
The composition of claim 2 in which the sulphur-containing compound comprises 2-mercaptobenzothiazole derivatives having the following formula: ##SPC7## wherein X is selected from hydrogen, hydroxymethyl and metals of groups I-A, I-B, II-A and II-B of the periodic table.
Claim 9
Dependent Claim
51 words
The composition of claim 2 in which the sulphur-containing compound comprises 2,2'-dithiobisthiazole and derivatives thereof having the following formula: ##SPC8## wherein R 2 , R 3 , R 4 and R 5 are selected from the group consisting of hydrogen and an alkyl group having from 1 to 10 carbon atoms.
Claim 10
Dependent Claim
40 words
The composition of claim 2 in which the sulphur-containing compound comprises 2,2'-dithiobis(benzothiazole) and 5,5', 6,6', and 7,7' substituted derivatives thereof wherein the substituent is taken from a group consisting of dichloro, dibromo, disulfonic acid, diamido, dimethyl, dicarboxylic acid, and diethoxy.
Claim 11
Dependent Claim
13 words
The composition of claim 2 in which the sulphur-containing compound comprises diphenyl sulfide.
Claim 12
Dependent Claim
13 words
The composition of claim 2 in which the sulphur-containing compound comprises elemental sulphur.
Claim 13
Dependent Claim
14 words
The composition of claim 2 in which the sulphur-containing compound comprises sulphurized mineral oils.
Claim 14
Dependent Claim
238 words
An improved metalworking composition comprising: a. a phosphate ester having the following formula: ##EQU6## wherein EO is ethylene oxide; R is selected from the group consisting of linear or branched chain alkyl groups having from 6 to 30 carbon atoms, phenyl, alkylphenyl, wherein the alkyl groups have a total of from 2 to 20 carbon atoms; X is selected from hydrogen, ammonium, amines and metals from groups I-A, I-B, II-A and II-B of the periodic table; n is a number from 0 - 50; a is 1, 2 or 3, and b is 0, 1 or 2 with the proviso that said a plus said b equals 3; b. a sulphur-containing compound selected from the group consisting of elemental sulphur; sulphurized mineral oils; 2-mercaptobenzothiazole; 5-substituted, 6-substituted and 7-substituted 2-mercaptobenzothiazole wherein the substituent is selected from the group consisting of chloro, bromo, sulfonic acid, amido, methyl, carboxylic acid, and ethoxy; 2-mercaptobenzothiazole derivatives having the following formula: ##SPC9## wherein X is selected from hydrogen, hydroxymethyl and metals of groups I-A, I-B, II-A and II-B of the periodic table; derivatives of 2-mercaptothiazole having the formula: ##SPC10## wherein X is selected from hydrogen, hydroxymethyl and metals from groups I-A, I-B, II-A and II-B of the periodic table; R is selected from hydrogen and an alkyl group having from 1 to 10 carbon atoms; and R 1 is selected from hydrogen, an alkyl group having from 1 to 10 carbon atoms, carboxy, ##EQU7##
Claim 15
Dependent Claim
238 words
An improved metalworking composition comprising: a. a phosphate ester having the following formula: ##EQU6## wherein EO is ethylene oxide; R is selected from the group consisting of linear or branched chain alkyl groups having from 6 to 30 carbon atoms, phenyl, alkylphenyl, wherein the alkyl groups have a total of from 2 to 20 carbon atoms; X is selected from hydrogen, ammonium, amines and metals from groups I-A, I-B, II-A and II-B of the periodic table; n is a number from 0 - 50; a is 1, 2 or 3, and b is 0, 1 or 2 with the proviso that said a plus said b equals 3; b. a sulphur-containing compound selected from the group consisting of elemental sulphur; sulphurized mineral oils; 2-mercaptobenzothiazole; 5-substituted, 6-substituted and 7-substituted 2-mercaptobenzothiazole wherein the substituent is selected from the group consisting of chloro, bromo, sulfonic acid, amido, methyl, carboxylic acid, and ethoxy; 2-mercaptobenzothiazole derivatives having the following formula: ##SPC9## wherein X is selected from hydrogen, hydroxymethyl and metals of groups I-A, I-B, II-A and II-B of the periodic table; derivatives of 2-mercaptothiazole having the formula: ##SPC10## wherein X is selected from hydrogen, hydroxymethyl and metals from groups I-A, I-B, II-A and II-B of the periodic table; R is selected from hydrogen and an alkyl group having from 1 to 10 carbon atoms; and R 1 is selected from hydrogen, an alkyl group having from 1 to 10 carbon atoms, carboxy, ##EQU7##
Claim 16
Dependent Claim
151 words
2'-dithiobisthiazole and derivatives thereof having the following formula: ##SPC11## wherein R 2 , R 3 R 4 and R 5 are selected from the group consisting of hydrogen and an alkyl group having from 1 to 10 carbon atoms, 2,2'-dithiobis(benzothiazole) and 5,5', 6,6', and 7,7' substituted derivatives thereof wherein the substituent is taken from a group consisting of dichloro, dibromo, disulfonic acid, diamido, dimethyl, dicarboxylic acid, and diethoxy; 2-mercaptonaphthothiazole; 2,2'-dithiobis(naphthothiazole); diphenyl sulfide; diphenyl disulfide and di-tert-butyl sulfone; and c. an oil based lubricating vehicle, the weight ratio of said phosphate ester to said sulphur-containing compound being in the range of from about 25:1 to about 1:1 based on the weight of sulphur in said sulphur-containing compound and said composition containing at least about 0.0015% sulphur by weight, based on the total weight of said metalworking composition, whereby the metalworking composition has a desirable combination of extreme pressure, antiwear and corrosion-inhibiting properties.
Claim 17
Dependent Claim
151 words
2'-dithiobisthiazole and derivatives thereof having the following formula: ##SPC11## wherein R 2 , R 3 R 4 and R 5 are selected from the group consisting of hydrogen and an alkyl group having from 1 to 10 carbon atoms, 2,2'-dithiobis(benzothiazole) and 5,5', 6,6', and 7,7' substituted derivatives thereof wherein the substituent is taken from a group consisting of dichloro, dibromo, disulfonic acid, diamido, dimethyl, dicarboxylic acid, and diethoxy; 2-mercaptonaphthothiazole; 2,2'-dithiobis(naphthothiazole); diphenyl sulfide; diphenyl disulfide and di-tert-butyl sulfone; and c. an oil based lubricating vehicle, the weight ratio of said phosphate ester to said sulphur-containing compound being in the range of from about 25:1 to about 1:1 based on the weight of sulphur in said sulphur-containing compound and said composition containing at least about 0.0015% sulphur by weight, based on the total weight of said metalworking composition, whereby the metalworking composition has a desirable combination of extreme pressure, antiwear and corrosion-inhibiting properties.
Claim 18
Dependent Claim
107 words
The metalworking composition of claim 11 wherein the ratio of phosphate ester to sulphur-containing compound is from 10:1 to 1:1 by weight based on the sulphur content of the sulphur-containing compound, wherein R is selected from the group consisting of a linear alkyl group having from 6 to 20 carbon atoms, an alkyl phenyl group, the alkyl group having from 1 to 14 carbon atoms, and phenyl; n is a number from 1 to 10; and X is selected from hydrogen, ammonium, diethanolamine, and triethanolamine and in which said composition contains at least about 0.10% sulphur by weight, based on the total weight of said metalworking composition.
Claim 19
Dependent Claim
29 words
The metalworking composition of claim 12 wherein said vehicle is selected from the group consisting of a mineral oil, a glycol, a mineral oil-water mixture and a glycol-water mixture.
Claim 20
Dependent Claim
14 words
The metalworking composition of claim 13 wherein the vehicle is a hexylene glycol-water mixture.
Claim 21
Dependent Claim
13 words
The metalworking composition of claim 12 in which said sulphur-containing compound comprises 2-mercaptobenzothiazole.
Claim 22
Dependent Claim
37 words
The metalworking composition of claim 13 in which the sulphur-containing compound comprises 5-substituted, 6-substituted and 7-substituted 2-mercaptobenzothiazole wherein the substituent is selected from the group consisting of chloro, bromo, sulfonic acid, amido, methyl, carboxylic acid, and ethoxy.
Claim 23
Dependent Claim
39 words
The metalworking composition of claim 13 in which the sulphur-containing compound comprises 2-mercaptobenzothiazole derivatives having the following formula: ##SPC12## wherein X is selected from hydrogen, hydroxymethyl and metals of groups I-A, I-B, II-A and II-B of the periodic table.
Claim 24
Dependent Claim
52 words
The metalworking composition of claim 13 in which the sulphur-containing compound comprises 2,2'-dithiobisthiazole and derivatives thereof having the following formula: ##SPC13## wherein R 2 , R 3 , R 4 and R 5 are selected from the group consisting of hydrogen and an alkyl group having from 1 to 10 carbon atoms.
Claim 25
Dependent Claim
41 words
The metalworking composition of claim 13 in which the sulphur-containing compound comprises 2,2'-dithiobis(benzothiazole) and 5,5', 6,6', and 7,7' substituted derivatives thereof wherein the substituent is taken from a group consisting of dichloro, dibromo, disulfonic acid, diamido, dimethyl, dicarboxylic acid, and diethoxy.
Claim 26
Dependent Claim
14 words
The metalworking composition of claim 13 in which the sulphur-containing compound comprises diphenyl sulfide.
Claim 27
Dependent Claim
14 words
The metalworking composition of claim 13 in which the sulphur-containing compound comprises elemental sulphur.
Claim 28
Dependent Claim
15 words
The metalworking composition of claim 13 in which the sulphur-containing compound comprises sulphurized mineral oil.
Claim 29
Dependent Claim
17 words
A metalworking process which comprises working metal in the presence of the metalworking composition of claim 13.
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) | 1979-01-19 | 1979-07-21 | 1980-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-01-19 | 1983-07-21 | 1984-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-01-19 | 1987-07-21 | 1988-01-20 | $7700.00 | Window Closed / Lapsed |