← Back to Patent Explorer
US4172802A Expired / Lapsed US ⏱️ 0.0 years remaining

Aqueous metal working fluid containing carboxylic acid group terminated diesters of polyoxyalkylene diols

Assignee: Milacron Inc
•
Filing: 1978-05-30
•
Granted: 1979-10-30
•
Expires: 1998-05-30
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract Aqueous metal working fluids exhibiting high lubricity and high stability are provided. These fluids comprise water and an acid terminated diester of a secondary diol or the amine or alkali metal salts of the ester.

Inventors

  • 👤 Walter E. Rieder

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 05:40
CPC Classifications
C; C10; C10M; C10M173/00; C10M173/02; C08; C08G; C08G65/00; C08G65/02; C08G65/32; C08G65/329; C08G65/331; C08G65/332; C08K; C08K3/00; C08K3/18; C08K3/20; C10M2201/00; C10M2201/02; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/105; C10M2209/106; C10M2209/107; C10M2209/109; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2221/00; C10M2221/04; C10N; C10N2040/00; C10N2040/20; C10N2040/22; C10N2050/00; C10N2050/01

Claims Analysis

Total Claims: 31
Claim 1
Independent Claim 177 words
A metal working composition comprising (a) water and (b) carboxylic acid group terminated diester of a polyoxyalkylene diol having terminal secondary alcohol groups, said diester or the organic amine or alkali metal salts thereof having the following formula ##STR4## wherein R is a divalent radical residue of a secondary alcohol terminated polyoxyalkylene homopolymer or copolymer diol absent the terminal hydroxyl groups, R' and R" are the same or different aliphatic hydrocarbon, C 6 aromatic, aryl aliphatic hydrocarbon having 6 carbon atoms in the aryl group, alkyl C 6 aromatic, heteroaliphatic having a sulfur heteroatom, halogen substituted aliphatic hydrocarbon or halogen substituted C 6 aromatic radicals having a free valence of a+n+1 and b+m+1 respectively, X is an organic amine cation or alkali metal ion, a is 0 to 3, b is 0 to 3, m is 0 to 3, n is 0 to 3, a+n is 0 to 3, b+m is 0 to 3 and a+b+m+n is 1 to 6 with the proviso that when a+n is 2 or 3 then b+m must be 1 to 3.
Claim 2
Dependent Claim 177 words
A metal working composition comprising (a) water and (b) carboxylic acid group terminated diester of a polyoxyalkylene diol having terminal secondary alcohol groups, said diester or the organic amine or alkali metal salts thereof having the following formula ##STR4## wherein R is a divalent radical residue of a secondary alcohol terminated polyoxyalkylene homopolymer or copolymer diol absent the terminal hydroxyl groups, R' and R" are the same or different aliphatic hydrocarbon, C 6 aromatic, aryl aliphatic hydrocarbon having 6 carbon atoms in the aryl group, alkyl C 6 aromatic, heteroaliphatic having a sulfur heteroatom, halogen substituted aliphatic hydrocarbon or halogen substituted C 6 aromatic radicals having a free valence of a+n+1 and b+m+1 respectively, X is an organic amine cation or alkali metal ion, a is 0 to 3, b is 0 to 3, m is 0 to 3, n is 0 to 3, a+n is 0 to 3, b+m is 0 to 3 and a+b+m+n is 1 to 6 with the proviso that when a+n is 2 or 3 then b+m must be 1 to 3.
Claim 3
Dependent Claim 81 words
A metal working composition according to claim 1 wherein R' and R" are the same or different radicals having a free valence of a+n+1 and b+m+1 respectively and selected from the group consisting of aliphatic, aromatic having 6 ring carbon atoms, cycloaliphatic, aryl aliphatic having 6 carbon atoms in the aryl group, alkyl aromatic having 6 carbon atoms in the aromatic ring hydrocarbon radicals, halogen substituted aliphatic hydrocarbon radicals and halogen substituted aromatic radicals having 6 carbon atoms in the ring.
Claim 4
Dependent Claim 39 words
A metal working composition according to claim 2 wherein R' and R" are the same or different saturated or unsaturated aliphatic hydrocarbon radicals having from two to twenty carbon atoms and a free valence of a+n+1 and b+m+1 respectively.
Claim 5
Dependent Claim 37 words
A metal working composition according to claim 2 wherein R' and R" are the same of different aromatic hydrocarbon radicals having six carbon atoms in the aromatic ring and a free valence of a+n+1 and b+m+1 respectively.
Claim 6
Dependent Claim 29 words
A metal working composition according to claim 2 wherein R' annd R" are the same or different cycloaliphatic hydrocarbon radicals having a free valence of a+n+1 and b+m+1 respectively.
Claim 7
Dependent Claim 38 words
A metal working composition according to claim 2 wherein R' and R" are the same or different aryl aliphatic hydrocarbon radicals having six carbon atoms in the aryl group and a free valence of a+n+1 and b+m+1 respectively.
Claim 8
Dependent Claim 38 words
A metal working composition according to claim 2 wherein R' and R" are the same or different alkyl aromatic hydrocarbon radicals having six carbon atoms in the aromatic ring and a free valence of a+n+1 and b+m+1 respectively.
Claim 9
Dependent Claim 38 words
A metal working composition according to claim 2 wherein R' and R" are the same or different halogen substituted aromatic radicals having six carbon atoms in the aromatic ring and a free valence of a+n+1 and b+m+1 respectively.
Claim 10
Dependent Claim 41 words
A metal working composition according to claim 2 wherein R' and R" are carboxyl free polymerized fatty acid radical products of the polymerization of two or three molecules of an ethylenically unsaturated fatty acid having from twelve to twenty-six carbon atoms.
Claim 11
Dependent Claim 24 words
A metal working composition according to claim 2 wherein R' and R" are the divalent radical product of thiodipropionic acid absent its carboxyl groups.
Claim 12
Dependent Claim 27 words
Metal working compositions according to claim 2 wherein R is a divalent radical residue of a secondary alcohol terminated polyoxyalkylene homopolymer diol absent the terminal hydroxyl groups.
Claim 13
Dependent Claim 27 words
Metal working compositions according to claim 2 wherein R is a divalent radical residue of a secondary alcohol terminated polyoxyalkylene copolymer diol absent the terminal hydroxyl groups.
Claim 14
Dependent Claim 23 words
Metal working compositions according to claims 11 or 12 wherein the oxyalkylene group of the polyoxyalkylene has from two to six carbon atoms.
Claim 15
Dependent Claim 47 words
Metal working compositions according to claims 3, 4, 5, 6, 7, 8, 9 or 10 wherein R is the divalent radical residue of polyoxypropylene diol having an average molecular weight of from 150 to 4000, absent the terminal hydroxyl groups and a+b+m+n is 1 l to 4.
Claim 16
Dependent Claim 46 words
Metal working compositions according to claims 3, 4, 5, 6, 7, 8, 9 or 10 wherein R is the divalent radical residue of polyoxybutylene diol having an average molecular weight of from 150 to 4000, absent the terminal hydroxyl groups and a+b+m+n is 1 to 4.
Claim 17
Dependent Claim 49 words
Metal working compositions according to claims 3, 4, 5, 6, 7, 8, 9 or 10 wherein R is the divalent radical residue of a polyoxypropylene/polyoxethylene/polyoxypropylene block copolymer diol having an average molecular weight of from 150 to 4000, absent the terminal hydroxyl groups and a+b+m+n is 1 to 4.
Claim 18
Dependent Claim 49 words
Metal working compositions according to claims 3, 4, 5, 6, 7, 8, 9 or 10 wherein R is a divalent radical residue of a polyoxybutylene/polyoxyethylene/polyoxybutylene block copolymer diol having an average molecular weight of from 150 to 4000, absent the terminal hydroxyl groups and a+b+m+n is 1 to 4.
Claim 19
Dependent Claim 21 words
Metal working compositions according to claim 14 wherein the polyoxypropylene diol has an average molecular weight of from 300 to 2000.
Claim 20
Dependent Claim 21 words
Metal working compositions according to claim 15 wherein the polyoxybutylene diol has an average molecular weight of from 300 to 2000.
Claim 21
Dependent Claim 23 words
Metal working compositions according to claim 16 wherein the polyoxypropylene/polyoxyethylene/polyoxypropylene block copolymer diol has an average molecular weight of from 300 to 2000.
Claim 22
Dependent Claim 23 words
Metal working compositions according to claim 17 wherein the polyoxybutylene/polyoxethylene/polyoxybutylene block copolymer diol has an average molecular weight of from 300 to 2000.
Claim 23
Dependent Claim 25 words
Metal working compositions according to claim 2 wherein (b) is an alkyl amine salt having from two to six carbon atoms in the alkyl group.
Claim 24
Dependent Claim 25 words
Metal working compositions according to claim 2 wherein (b) is an alkanol amine salt having from two to four carbon atoms in the alkanol group.
Claim 25
Dependent Claim 27 words
Metal working compositions according to claim 14 wherein (b) is a monoalkanol or trialkanol amine salt having from two to four carbon atoms in the alkanol group.
Claim 26
Dependent Claim 27 words
Metal working compositions according to claim 15 wherein (b) is a monoalkanol or trialkanol amine salt having from two to four carbon atomms in the alkanol group.
Claim 27
Dependent Claim 27 words
Metal working compositions according to claim 16 wherein (b) is a monoalkanol or trialkanol amine salt having from two to four carbon atoms in the alkanol group.
Claim 28
Dependent Claim 27 words
Metal working compositions according to claim 17 wherein (b) is a monoalkanol or trialkanol amine salt having from two to four carbon atoms in the alkanol group.
Claim 29
Dependent Claim 41 words
Metal working compositions according to claim 2 wherein X is a sodium or potassium ion, m is 0 or 1, n is 0 or 1, a is 1 or 2, b is 0 to 2 and a+b+m+n is 1 to 4.
Claim 30
Dependent Claim 26 words
Metal working compositions according to claim 2 wherein the concentration of (b) is from 0.01% to 20% by weight of the weight of water plus (b).
Claim 31
Dependent Claim 19 words
Metal working compositions according to claim 29 wherein the concentration of (b) is from 0.03% to 5% by weight.

References Cited (Backward Citations)

US2703811A Cited
US2602065A Cited
US2723283A Cited
US2956954A Cited
US3006849A Cited
US3390084A Cited
US3492232A Cited
US3526596A Cited
US3945930A Cited
US3923671A Cited
US4075393A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1982-10-29 1983-04-30 1983-10-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1986-10-29 1987-04-30 1987-10-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1990-10-29 1991-04-30 1991-10-30 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag