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US4370255A
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Stabilization of aqueous silicates using alkali siliconates of silylalkyl phosphonates
Assignee: Dow Silicones Corp
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Filing: 1981-03-18
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Granted: 1983-01-25
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Expires: 2001-03-18
Abstract
Abstract What is disclosed are novel compositions of matter which are alkali siliconate silylalkylphosphonates which are capable of stabilizing water soluble silicates and which are capable of inhibiting corrosion of metals in aqueous systems.
Inventors
- 👤 Edwin P. Plueddemann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:52
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C23; C23F; C23F11/00; C23F11/08
Claims Analysis
Total Claims: 83
Claim 1
Independent Claim
76 words
A composition of matter which is an alkali siliconate silylalkyl phosphonate which has the general formula ##STR23## wherein M is selected from a group consisting essentially of alkaline metal cations selected from a group consisting of sodium, potassium, lithium and rubidium and tetraorgano ammonium cations; R is a divalent aliphatic hydrocarbon radical containing 1-3 carbon atoms or the benzylene radical; P is the phosphorus atom and, R' is a hydrocarbon radical containing from 1-7 carbon atoms.
Claim 2
Dependent Claim
76 words
A composition of matter which is an alkali siliconate silylalkyl phosphonate which has the general formula ##STR23## wherein M is selected from a group consisting essentially of alkaline metal cations selected from a group consisting of sodium, potassium, lithium and rubidium and tetraorgano ammonium cations; R is a divalent aliphatic hydrocarbon radical containing 1-3 carbon atoms or the benzylene radical; P is the phosphorus atom and, R' is a hydrocarbon radical containing from 1-7 carbon atoms.
Claim 3
Dependent Claim
30 words
A composition of matter as claimed in claim 1 wherein M in each case is sodium, R is --CH 2 -- x wherein x is 3 and R' is methyl.
Claim 4
Dependent Claim
30 words
A composition of matter as claimed in claim 1 wherein M in each case is potassium, R is --CH 2 -- x wherein x is 3 and R' is methyl.
Claim 5
Dependent Claim
30 words
A composition of matter as claimed in claim 1 wherein M in each case is lithium, R is --CH 2 -- x wherein x is 3 and R' is methyl.
Claim 6
Dependent Claim
31 words
A composition of matter as claimed in claim 1 wherein M in each case is tetraorganoammonium cations, R is --CH 2 -- x wherein x is 3 and R' is methyl.
Claim 7
Dependent Claim
30 words
A composition of matter as claimed in claim 1 wherein M in each case is sodium, R is --CH 2 -- x wherein x is 2 and R' is methyl.
Claim 8
Dependent Claim
30 words
A composition of matter as claimed in claim 1 wherein M in each case is potassium, R is --CH 2 -- x wherein x is 2 and R' is methyl.
Claim 9
Dependent Claim
30 words
A composition of matter as claimed in claim 1 wherein M in each case is lithium, R is --CH 2 -- x wherein x is 2 and R' is methyl.
Claim 10
Dependent Claim
31 words
A composition of matter as claimed in claim 1 wherein M in each case is tetraorganoammonium cations, R is --CH 2 -- x wherein x is 2 and R' is methyl.
Claim 11
Dependent Claim
30 words
A composition of matter as claimed in claim 1 wherein M in each case is sodium, R is --CH 2 -- x wherein x is 3 and R' is ethyl.
Claim 12
Dependent Claim
30 words
A composition of matter as claimed in claim 1 wherein M in each case is potassium, R is --CH 2 -- x wherein x is 3 and R' is ethyl.
Claim 13
Dependent Claim
30 words
A composition of matter as claimed in claim 1 wherein M in each case is lithium, R is --CH 2 -- x wherein x is 3 and R' is ethyl.
Claim 14
Dependent Claim
32 words
A composition of matter as claimed in claim 1 wherein M in each case is a tetraorganoammonium cation, R is --CH 2 -- x wherein x is 3 and R' is ethyl.
Claim 15
Dependent Claim
30 words
A composition of matter as claimed in claim 1 wherein M in each case is sodium, R is --CH 2 -- x wherein x is 2 and R' is ethyl.
Claim 16
Dependent Claim
30 words
A composition of matter as claimed in claim 1 wherein M in each case is potassium, R is --CH 2 -- x wherein x is 2 and R' is ethyl.
Claim 17
Dependent Claim
30 words
A composition of matter as claimed in claim 1 wherein M in each case is lithium, R is --CH 2 -- x wherein x is 2 and R' is ethyl.
Claim 18
Dependent Claim
32 words
A composition of matter as claimed in claim 1 wherein M in each case is a tetraorganoammonium cation, R is --CH 2 -- x wherein x is 2 and R' is ethyl.
Claim 19
Dependent Claim
164 words
An improved corrosion inhibiting alcohol composition consisting essentially of an alcohol selected from the group consisting essentially of (A) monomeric alcohols, (B) polyhydric alcohols and (C) mixtures of (A) and (B) and, as a corrosion inhibitor, 20 to 20,000 parts per million based on the weight of the corrosion inhibiting alcohol composition of a composition consisting essentially of a combination of (A) 0.1 to 99.9 parts by weight of an alkali siliconate silylalkylphosphonate which has the general formula ##STR24## wherein M is independently an alkaline metal cation selected from the group consisting of sodium, potassium, lithium, rubidium and tetraorgano ammonium, cations; R is a divalent aliphatic hydrocarbon radical containing 1-3 carbon atoms or the benzylene radical; P is the phosphorus atom and R' is a hydrocarbon radical containing from 1-7 carbon atoms, with (B) 99.9 to 0.1 parts by weight of a soluble silicate represented by the general formula (MO).sub.a SiO.sub.(4-a)/2 wherein M has the meaning above and a has a value of 1-3.
Claim 20
Dependent Claim
164 words
An improved corrosion inhibiting alcohol composition consisting essentially of an alcohol selected from the group consisting essentially of (A) monomeric alcohols, (B) polyhydric alcohols and (C) mixtures of (A) and (B) and, as a corrosion inhibitor, 20 to 20,000 parts per million based on the weight of the corrosion inhibiting alcohol composition of a composition consisting essentially of a combination of (A) 0.1 to 99.9 parts by weight of an alkali siliconate silylalkylphosphonate which has the general formula ##STR24## wherein M is independently an alkaline metal cation selected from the group consisting of sodium, potassium, lithium, rubidium and tetraorgano ammonium, cations; R is a divalent aliphatic hydrocarbon radical containing 1-3 carbon atoms or the benzylene radical; P is the phosphorus atom and R' is a hydrocarbon radical containing from 1-7 carbon atoms, with (B) 99.9 to 0.1 parts by weight of a soluble silicate represented by the general formula (MO).sub.a SiO.sub.(4-a)/2 wherein M has the meaning above and a has a value of 1-3.
Claim 21
Dependent Claim
14 words
An alcohol composition as claimed in claim 18 wherein the alcohol is propylene glycol.
Claim 22
Dependent Claim
14 words
An alcohol composition as claimed in claim 18 wherein the alcohol is ethylene glycol.
Claim 23
Dependent Claim
32 words
An alcohol composition as claimed in claim 19 wherein in component (A), M in each case is sodium, R is --CH 2 -- x wherein x is 3 and R' is methyl.
Claim 24
Dependent Claim
32 words
A alcohol composition as claimed in claim 19 wherein in component (A), M in each case is potassium, R is --CH 2 -- x wherein x is 3 and R' is methyl.
Claim 25
Dependent Claim
32 words
An alcohol composition as claimed in claim 19 wherein in component (A), M in each case is lithium, R is --CH 2 -- x wherein x is 3 and R' is methyl.
Claim 26
Dependent Claim
33 words
An alcohol composition as claimed in claim 19 wherein in component (A), M in each case is tetraorganoammonium cations, R is --CH 2 -- x wherein x is 3 and R' is methyl.
Claim 27
Dependent Claim
32 words
An alcohol composition as claimed in claim 19 wherein in component (A), M in each case is sodium, R is --CH 2 -- x wherein x is 2 and R' is methyl.
Claim 28
Dependent Claim
32 words
An alcohol composition as claimed in claim 19 wherein in component (A), M in each case is potassium, R is --CH 2 -- x wherein x is 2 and R' is methyl.
Claim 29
Dependent Claim
32 words
An alcohol composition as claimed in claim 19 wherein in component (A), M in each case is lithium, R is --CH 2 -- x wherein x is 2 and R' is methyl.
Claim 30
Dependent Claim
33 words
An alcohol composition as claimed in claim 19 wherein in component (A), M in each case is tetraorganoammonium cations, R is --CH 2 -- x wherein x is 2 and R' is methyl.
Claim 31
Dependent Claim
32 words
An alcohol composition as claimed in claim 19 wherein in component (A), M in each case is sodium, R is --CH 2 -- x wherein x is 3 and R' is ethyl.
Claim 32
Dependent Claim
32 words
An alcohol composition as claimed in claim 19 wherein in component (A), M in each case is potassium, R is --CH 2 -- x wherein x is 3 and R' is ethyl.
Claim 33
Dependent Claim
32 words
An alcohol composition as claimed in claim 19 wherein in component (A), M in each case is lithium, R is --CH 2 -- x wherein x is 3 and R' is ethyl.
Claim 34
Dependent Claim
34 words
An alcohol composition as claimed in claim 19 wherein in component (A), M in each case is a tetraorganoammonium cation, R is --CH 2 -- x wherein x is 3 and R' is ethyl.
Claim 35
Dependent Claim
15 words
An alcohol composition as claimed in claim 19 wherein the glycol is admixed with water.
Claim 36
Dependent Claim
15 words
An alcohol composition as claimed in claim 21 wherein M in component (B) is sodium.
Claim 37
Dependent Claim
15 words
An alcohol composition as claimed in claim 22 wherein M in component (B) is potassium.
Claim 38
Dependent Claim
15 words
An alcohol composition as claimed in claim 23 wherein M in component (B) is lithium.
Claim 39
Dependent Claim
17 words
An alcohol composition as claimed in claim 24 wherein M in component (B) is a tetraorganoammonium cation.
Claim 40
Dependent Claim
111 words
A composition of matter which consists essentially of (A) 0.1 to 99.9 parts by weight of an alkali siliconate silylalkylphosphonate which has the general formula ##STR25## wherein M is independently an alkaline metal cation selected from the group consisting of sodium, potassium, lithium, rubidium and tetraorgano ammonium cations; R is a divalent aliphatic hydrocarbon radical containing 1-3 carbon atoms or the benzylene radical; P is the phosphorus atom and, R' is a hydrocarbon radical containing from 1-7 carbon atoms, with (B) 99.9 to 0.1 parts by weight of a soluble silicate represented by the general formula (MO).sub.a SiO.sub.(4-a)/2 wherein M has the meaning above and a has a value of 1-3.
Claim 41
Dependent Claim
111 words
A composition of matter which consists essentially of (A) 0.1 to 99.9 parts by weight of an alkali siliconate silylalkylphosphonate which has the general formula ##STR25## wherein M is independently an alkaline metal cation selected from the group consisting of sodium, potassium, lithium, rubidium and tetraorgano ammonium cations; R is a divalent aliphatic hydrocarbon radical containing 1-3 carbon atoms or the benzylene radical; P is the phosphorus atom and, R' is a hydrocarbon radical containing from 1-7 carbon atoms, with (B) 99.9 to 0.1 parts by weight of a soluble silicate represented by the general formula (MO).sub.a SiO.sub.(4-a)/2 wherein M has the meaning above and a has a value of 1-3.
Claim 42
Dependent Claim
31 words
A composition as claimed in claim 38 wherein in component (A), M in each case is sodium, R is --CH 2 -- x wherein x is 3 and R' is methyl.
Claim 43
Dependent Claim
31 words
A composition as claimed in claim 38 wherein in component (A), M in each case is potassium, R is --CH 2 -- x wherein x is 3 and R' is methyl.
Claim 44
Dependent Claim
31 words
A composition as claimed in claim 38 wherein in component (A), M in each case is lithium, R is --CH 2 -- x wherein x is 3 and R' is methyl.
Claim 45
Dependent Claim
32 words
A composition as claimed in claim 38 wherein in component (A), M in each case is tetraorganoammonium cations, R is --CH 2 -- x wherein x is 3 and R' is methyl.
Claim 46
Dependent Claim
31 words
A composition as claimed in claim 38 wherein in component (A), M in each case is sodium, R is --CH 2 -- x wherein x is 2 and R' is methyl.
Claim 47
Dependent Claim
31 words
A composition as claimed in claim 38 wherein in component (A), M in each case is potassium, R is --CH 2 -- x wherein x is 2 and R' is methyl.
Claim 48
Dependent Claim
31 words
A composition as claimed in claim 38 wherein in component (A), M in each case is lithium, R is --CH 2 -- x wherein x is 2 and R' is methyl.
Claim 49
Dependent Claim
32 words
A composition as claimed in claim 38 wherein in component (A), M in each case is tetraorganoammonium cations, R is --CH 2 -- x wherein x is 2 and R' is methyl.
Claim 50
Dependent Claim
31 words
A composition as claimed in claim 38 wherein in component (A), M in each case is sodium, R is --CH 2 -- x wherein x is 3 and R' is ethyl.
Claim 51
Dependent Claim
31 words
A composition as claimed in claim 38 wherein in component (A), M in each case is potassium, R is --CH 2 -- x wherein x is 3 and R' is ethyl.
Claim 52
Dependent Claim
31 words
A composition as claimed in claim 38 wherein in component (A), M in each case is lithium, R is --CH 2 -- x wherein x is 3 and R' is ethyl.
Claim 53
Dependent Claim
33 words
A composition as claimed in claim 38 wherein in component (A), M in each case is a tetraorganoammonium cation, R is --CH 2 -- x wherein x is 3 and R' is ethyl.
Claim 54
Independent Claim
100 words
A method of stabilizing soluble silicates comprising adding to 99.9 to 0.1 parts by weight of the soluble silicates, 0.1 to 99.9 parts by weight of a composition consisting essentially of an alkali siliconate silylalkylphosphonate which has the general formula ##STR26## wherein M is selected from the group consisting essentially of alkaline metal cations selected from a group consisting of sodium, potassium, lithium and rubidium and tetraorgano ammonium cations; R is a divalent aliphatic hydrocarbon radical containing 1-3 carbon atoms or the benzylene radical; P is the phosphorus atom and, R' is a hydrocarbon radical containing from 1-7 carbon atoms.
Claim 55
Independent Claim
100 words
A method of stabilizing soluble silicates comprising adding to 99.9 to 0.1 parts by weight of the soluble silicates, 0.1 to 99.9 parts by weight of a composition consisting essentially of an alkali siliconate silylalkylphosphonate which has the general formula ##STR26## wherein M is selected from the group consisting essentially of alkaline metal cations selected from a group consisting of sodium, potassium, lithium and rubidium and tetraorgano ammonium cations; R is a divalent aliphatic hydrocarbon radical containing 1-3 carbon atoms or the benzylene radical; P is the phosphorus atom and, R' is a hydrocarbon radical containing from 1-7 carbon atoms.
Claim 56
Dependent Claim
31 words
A method as claimed in claim 51 wherein M in the formula, in each case, is sodium, R is --CH 2 -- x wherein x is 3 and R' is methyl.
Claim 57
Dependent Claim
31 words
A method as claimed in claim 51 wherein M in the formula, in each case, is potassium, R is --CH 2 -- x wherein x is 3 and R' is methyl.
Claim 58
Dependent Claim
31 words
A method as claimed in claim 51 wherein M in the formula, in each case, is lithium, R is --CH 2 -- x wherein x is 3 and R' is methyl.
Claim 59
Dependent Claim
33 words
A method as claimed in claim 51 wherein M in the formula, in each case, is a tetraorganoammonium cation, R is --CH 2 -- x wherein x is 3 and R' is methyl.
Claim 60
Dependent Claim
31 words
A method as claimed in claim 51 wherein M in the formula, in each case is sodium, R is --CH 2 -- x wherein x is 2 and R' is methyl.
Claim 61
Dependent Claim
31 words
A method as claimed in claim 51 wherein M in the formula, in each case, is potassium, R is --CH 2 -- x wherein x is 2 and R' is methyl.
Claim 62
Dependent Claim
31 words
A method as claimed in claim 51 wherein M in the formula, in each case, is lithium, R is --CH 2 -- x wherein x is 2 and R' is methyl.
Claim 63
Dependent Claim
33 words
A method as claimed in claim 51 wherein M in the formula, in each case, is a tetraorganoammonium cation, R is --CH 2 -- x wherein x is 2 and R' is methyl.
Claim 64
Independent Claim
90 words
A method of inhibiting metal corrosion in an aqueous medium by adding to the aqueous medium a composition consisting essentially of an alkali siliconate silylalkylphosphonate which has the general formula ##STR27## wherein M is selected from a group consisting essentially of alkaline metal cations selected from a group consisting of sodium, potassium, lithium and rubidium and tetraorgano ammonium cations; R is a divalent aliphatic hydrocarbon radical containing 1-3 carbon atoms or the benzylene radical; P is the phosphorus atom and, R' is a hydrocarbon radical containing from 1-7 carbon atoms.
Claim 65
Independent Claim
90 words
A method of inhibiting metal corrosion in an aqueous medium by adding to the aqueous medium a composition consisting essentially of an alkali siliconate silylalkylphosphonate which has the general formula ##STR27## wherein M is selected from a group consisting essentially of alkaline metal cations selected from a group consisting of sodium, potassium, lithium and rubidium and tetraorgano ammonium cations; R is a divalent aliphatic hydrocarbon radical containing 1-3 carbon atoms or the benzylene radical; P is the phosphorus atom and, R' is a hydrocarbon radical containing from 1-7 carbon atoms.
Claim 66
Dependent Claim
31 words
A method as claimed in claim 60 wherein M in the formula, in each case, is sodium, R is --CH 2 -- x wherein x is 3 and R' is methyl.
Claim 67
Dependent Claim
31 words
A method as claimed in claim 60 wherein M in the formula, in each case, is potassium, R is --CH 2 -- x wherein x is 3 and R' is methyl.
Claim 68
Dependent Claim
31 words
A method as claimed in claim 60 wherein M in the formula, in each case, is lithium, R is --CH 2 -- x wherein x is 3 and R' is methyl.
Claim 69
Dependent Claim
33 words
A method as claimed in claim 60 wherein M in the formula, in each case, is a tetraorganoammonium cation, R is --CH 2 -- x wherein x is 3 and R' is methyl.
Claim 70
Dependent Claim
31 words
A method as claimed in claim 60 wherein M in the formula, in each case, is sodium, R is --CH 2 -- x wherein x is 2 and R' is methyl.
Claim 71
Dependent Claim
31 words
A method as claimed in claim 60 wherein M in the formula, in each case, is potassium, R is --CH 2 -- x wherein x is 2 and R' is methyl.
Claim 72
Dependent Claim
31 words
A method as claimed in claim 60 wherein M in the formula, in each case, is lithium, R is --CH 2 -- x wherein x is 2 and R' is methyl.
Claim 73
Dependent Claim
33 words
A method as claimed in claim 60 wherein M in the formula, in each case, is a tetraorganoammonium cation, R is --CH 2 -- x wherein x is 2 and R' is methyl.
Claim 74
Independent Claim
124 words
A method of inhibiting metal corrosion in an aqueous medium by adding to the aqueous medium a composition consisting essentially of (A) 0.1 to 99.9 parts by weight of an alkali siliconate silylalkylphosphonate which has the general formula ##STR28## wherein M is independently an alkaline metal cation selected from the group consisting of sodium, potassium, lithium, rubidium and tetraorgano ammonium cations; R is a divalent aliphatic hydrocarbon radical containing 1-3 carbon atoms or the benzylene radical; P is the phosphorus atom and, R' is a hydrocarbon radical containing from 1-7 carbon atoms, with (B) 99.9 to 0.1 parts by weight of a soluble silicate represented by the general formula (MO).sub.a SiO.sub.(4-a)/2 wherein M has the meaning above and a has a value of 1-3.
Claim 75
Independent Claim
124 words
A method of inhibiting metal corrosion in an aqueous medium by adding to the aqueous medium a composition consisting essentially of (A) 0.1 to 99.9 parts by weight of an alkali siliconate silylalkylphosphonate which has the general formula ##STR28## wherein M is independently an alkaline metal cation selected from the group consisting of sodium, potassium, lithium, rubidium and tetraorgano ammonium cations; R is a divalent aliphatic hydrocarbon radical containing 1-3 carbon atoms or the benzylene radical; P is the phosphorus atom and, R' is a hydrocarbon radical containing from 1-7 carbon atoms, with (B) 99.9 to 0.1 parts by weight of a soluble silicate represented by the general formula (MO).sub.a SiO.sub.(4-a)/2 wherein M has the meaning above and a has a value of 1-3.
Claim 76
Dependent Claim
29 words
A method as claimed in claim 69 wherein in component (A), M in each case is sodium, R is --CH 2 -- x is 3 and R' is methyl.
Claim 77
Dependent Claim
31 words
A method as claimed in claim 69 wherein in component (A), M in each case is potassium, R is --CH 2 -- x wherein x is 3 and R' is methyl.
Claim 78
Dependent Claim
31 words
A method as claimed in claim 69 wherein in component (A), M in each case is lithium, R is --CH 2 -- x wherein x is 3 and R' is methyl.
Claim 79
Dependent Claim
32 words
A method as claimed in claim 69 wherein in component (A), M in each case is tetraorganoammonium cations, R is --CH 2 -- x wherein x is 3 and R' is methyl.
Claim 80
Dependent Claim
31 words
A method as claimed in claim 69 wherein in component (A), M in each case is sodium, R is --CH 2 -- x wherein x is 2 and R' is methyl.
Claim 81
Dependent Claim
31 words
A method as claimed in claim 69 wherein in component (A), M in each case is potassium, R is --CH 2 -- x wherein x is 2 and R' is methyl.
Claim 82
Dependent Claim
31 words
A method as claimed in claim 69 wherein in component (A), M in each case is lithium, R is --CH 2 -- x wherein x is 2 and R' is methyl.
Claim 83
Dependent Claim
32 words
A method as claimed in claim 69 wherein in component (A), M in each case is tetraorganoammonium cations, R is --CH 2 -- x wherein x is 2 and R' is methyl.
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| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1986-01-24 | 1986-07-26 | 1987-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-01-24 | 1990-07-26 | 1991-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-01-24 | 1994-07-26 | 1995-01-25 | $7700.00 | Window Closed / Lapsed |