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US6599440B2 Expired / Lapsed US ⏱️ 0.0 years remaining

Deicing solution

Assignee: Sears Ecological Applications Co LLC
•
Filing: 2002-08-05
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Granted: 2003-07-29
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Expires: 2022-08-05
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Abstract

Abstract A de-icing and anti-icing composition in the form of an aqueous solution which includes a carbohydrate, a freezing point depressant and an anti-corrosion agent in the form of phytic acid and its salts.

Inventors

  • 👤 Robert A. Hartley
  • 👤 David H. Wood

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 21:35
CPC Classifications
C; C09; C09K; C09K3/00; C09K3/18; C09K3/185

Claims Analysis

Total Claims: 29
Claim 1
Independent Claim 96 words
A de-icing and anti-icing composition comprising an aqueous solution which contains a low molecular weight carbohydrate, a chloride salt and phytic acid and its salts in which the constituents are present in the following concentration: Weight % Carbohydrate 3 to 60 Chloride Salt 5 to 35 Phytic Acid and its salts 0.5 to 5.0 Water Balance and where said carbohydrate has a molecular weight in the range of about 180 to 1500, and is at least one selected from the group consisting of glucose, fructose and higher saccharides based on glucose and/or fructose and mixtures thereof.
Claim 2
Dependent Claim 96 words
A de-icing and anti-icing composition comprising an aqueous solution which contains a low molecular weight carbohydrate, a chloride salt and phytic acid and its salts in which the constituents are present in the following concentration: Weight % Carbohydrate 3 to 60 Chloride Salt 5 to 35 Phytic Acid and its salts 0.5 to 5.0 Water Balance and where said carbohydrate has a molecular weight in the range of about 180 to 1500, and is at least one selected from the group consisting of glucose, fructose and higher saccharides based on glucose and/or fructose and mixtures thereof.
Claim 3
Dependent Claim 27 words
The composition of claim 1 in which the chloride salt is at least one selected from the group consisting of sodium chloride, magnesium chloride and calcium chloride.
Claim 4
Dependent Claim 21 words
The composition of claim 1 which further includes a colorant to provide visual aid in applying the composition to a surface.
Claim 5
Dependent Claim 30 words
The composition of claim 1 in which the phytic acid and its salts is at least one selected from the group consisting of phytic acid, phytin, phytates and mixtures thereof.
Claim 6
Dependent Claim 152 words
A de-icing and anti-icing composition comprising an aqueous solution which contains a low molecular weight carbohydrate, a chloride salt, phytic acid and its salts, and a thickener in which the constituents are present in the following concentration: Weight % Carbohydrate 3 to 60 Chloride Salt 5 to 35 Phytic Acid and its salts 0.5 to 5.0 Thickener 0.15 to 10 Water Balance and where the carbohydrate has a molecular weight of about 180 to 1500, and is at least one selected from the group consisting of glucose, fructose and higher saccharides based on glucose and/or fructose and mixtures thereof, and where the thickener is selected from the group consisting of high molecular weight cellulose derivatives and carbohydrates in the range of about 60,000 to 1,000,000 for cellulose derivatives and 10,000 to 50,000 for carbohydrates, with said composition having a viscosity in the range of about 0.1 to 3 poises at 25° C.
Claim 7
Dependent Claim 152 words
A de-icing and anti-icing composition comprising an aqueous solution which contains a low molecular weight carbohydrate, a chloride salt, phytic acid and its salts, and a thickener in which the constituents are present in the following concentration: Weight % Carbohydrate 3 to 60 Chloride Salt 5 to 35 Phytic Acid and its salts 0.5 to 5.0 Thickener 0.15 to 10 Water Balance and where the carbohydrate has a molecular weight of about 180 to 1500, and is at least one selected from the group consisting of glucose, fructose and higher saccharides based on glucose and/or fructose and mixtures thereof, and where the thickener is selected from the group consisting of high molecular weight cellulose derivatives and carbohydrates in the range of about 60,000 to 1,000,000 for cellulose derivatives and 10,000 to 50,000 for carbohydrates, with said composition having a viscosity in the range of about 0.1 to 3 poises at 25° C.
Claim 8
Dependent Claim 27 words
The composition of claim 5 in which the chloride salt is at least one selected from the group consisting of sodium chloride, magnesium chloride and calcium chloride.
Claim 9
Dependent Claim 21 words
The composition of claim 4 which further includes a colorant to provide visual aid in applying the composition to a surface.
Claim 10
Dependent Claim 54 words
A de-icing and anti-icing composition comprising an aqueous solution which contains a low molecular weight carbohydrate, an acetate and phytic acid and its salts in which the constituents are present in the following concentration: Weight % Carbohydrate 3 to 60 Acetate 5 to 40 Phytic Acid and its salts 0.5 to 5.0 Water Balance.
Claim 11
Dependent Claim 54 words
A de-icing and anti-icing composition comprising an aqueous solution which contains a low molecular weight carbohydrate, an acetate and phytic acid and its salts in which the constituents are present in the following concentration: Weight % Carbohydrate 3 to 60 Acetate 5 to 40 Phytic Acid and its salts 0.5 to 5.0 Water Balance.
Claim 12
Dependent Claim 29 words
The composition of claim 8 in which the acetate is at least one selected from the group consisting of calcium magnesium acetates, potassium acetate, sodium acetate and mixtures thereof.
Claim 13
Dependent Claim 22 words
The composition of claim 8 in which further includes a colorant to provide visual aid in applying the composition to a surface.
Claim 14
Dependent Claim 150 words
A de-icing and anti-icing composition comprising an aqueous solution which contains a low molecular weight carbohydrate, an acetate, phytic acid and its salts and a thickener in which the constituents are present in the following concentration: Weight % Carbohydrate 3 to 60 Acetate 5 to 40 Phytic Acid and its salts 0.5 to 5.0 Thickener 0.15 to 10 Water Balance and where the carbohydrate has a molecular weight of about 180 to 1500, and is at least one selected from the group consisting of glucose, fructose and higher saccharides based on glucose and/or fructose and mixtures thereof, and where the thickener is selected from the group consisting of high molecular weight cellulose derivatives and carbohydrates in the range of about 60,000 to 1,000,000 for cellulose derivatives and 10,000 to 50,000 for carbohydrates, with said composition having a viscosity in the range of about 0.1 to 3 poises at 25° C.
Claim 15
Dependent Claim 150 words
A de-icing and anti-icing composition comprising an aqueous solution which contains a low molecular weight carbohydrate, an acetate, phytic acid and its salts and a thickener in which the constituents are present in the following concentration: Weight % Carbohydrate 3 to 60 Acetate 5 to 40 Phytic Acid and its salts 0.5 to 5.0 Thickener 0.15 to 10 Water Balance and where the carbohydrate has a molecular weight of about 180 to 1500, and is at least one selected from the group consisting of glucose, fructose and higher saccharides based on glucose and/or fructose and mixtures thereof, and where the thickener is selected from the group consisting of high molecular weight cellulose derivatives and carbohydrates in the range of about 60,000 to 1,000,000 for cellulose derivatives and 10,000 to 50,000 for carbohydrates, with said composition having a viscosity in the range of about 0.1 to 3 poises at 25° C.
Claim 16
Dependent Claim 29 words
The composition of claim 11 in which the acetate is at least one selected from the group consisting of calcium magnesium acetates, potassium acetate, sodium acetate and mixtures thereof.
Claim 17
Dependent Claim 21 words
The composition of claim 11 which further includes a colorant to provide visual aid in applying the composition to a surface.
Claim 18
Dependent Claim 55 words
A de-icing and anti-icing composition comprising an aqueous solution which contains an amino acid, a chloride salt and phytic acid and its salts in which the constituents are present in the following concentration: Weight % Amino Acid 1 to 15 Chloride Salt 5 to 30 Phytic Acid and its salts 0.5 to 5.0 Water Balance.
Claim 19
Dependent Claim 55 words
A de-icing and anti-icing composition comprising an aqueous solution which contains an amino acid, a chloride salt and phytic acid and its salts in which the constituents are present in the following concentration: Weight % Amino Acid 1 to 15 Chloride Salt 5 to 30 Phytic Acid and its salts 0.5 to 5.0 Water Balance.
Claim 20
Dependent Claim 27 words
The composition of claim 14 in which the chloride salt is at least one selected from the group consisting of sodium chloride, magnesium chloride and calcium chloride.
Claim 21
Dependent Claim 53 words
A de-icing and anti-icing composition comprising an aqueous solution which contains an amino acid, an acetate and phytic acid and its salts in which the constituents are present in the following concentration: Weight % Amino Acid 1 to 15 Acetate 3 to 25 Phytic Acid and its salts 0.5 to 5.0 Water Balance.
Claim 22
Dependent Claim 53 words
A de-icing and anti-icing composition comprising an aqueous solution which contains an amino acid, an acetate and phytic acid and its salts in which the constituents are present in the following concentration: Weight % Amino Acid 1 to 15 Acetate 3 to 25 Phytic Acid and its salts 0.5 to 5.0 Water Balance.
Claim 23
Dependent Claim 30 words
The composition of claim 16 in which the acetate salt is at least one selected from the group consisting of calcium magnesium acetate, sodium acetate, potassium acetate and mixtures thereof.
Claim 24
Dependent Claim 50 words
A de-icing and anti-icing composition comprising an aqueous solution which contains an oligopeptide, a chloride salt and phytic acid in which the constituents are present in the following concentration: Weight % Oligopeptide 3 to 50 Chloride Salt 5 to 30 Phytic Acid and its salts 0.5 to 5.0 Water Balance.
Claim 25
Dependent Claim 50 words
A de-icing and anti-icing composition comprising an aqueous solution which contains an oligopeptide, a chloride salt and phytic acid in which the constituents are present in the following concentration: Weight % Oligopeptide 3 to 50 Chloride Salt 5 to 30 Phytic Acid and its salts 0.5 to 5.0 Water Balance.
Claim 26
Dependent Claim 27 words
The composition of claim 18 in which the chloride salt is at least one selected from the group consisting of sodium chloride, magnesium chloride and calcium chloride.
Claim 27
Dependent Claim 53 words
A de-icing and anti-icing composition comprising an aqueous solution which contains an oligopeptide, an acetate salt and phytic acid and its salts in which the constituents are present in the following concentration: Weight % Oligopeptide 3 to 50 Acetate Salt 5 to 25 Phytic Acid and its salts 0.5 to 5.0 Water Balance.
Claim 28
Dependent Claim 53 words
A de-icing and anti-icing composition comprising an aqueous solution which contains an oligopeptide, an acetate salt and phytic acid and its salts in which the constituents are present in the following concentration: Weight % Oligopeptide 3 to 50 Acetate Salt 5 to 25 Phytic Acid and its salts 0.5 to 5.0 Water Balance.
Claim 29
Dependent Claim 30 words
The composition of claim 20 in which the acetate salt is at least one selected from the group consisting of calcium magnesium acetate, sodium acetate, potassium acetate and mixtures thereof.

References Cited (Backward Citations)

US4676918A Cited
US5635101A Cited
US6299793B1 Cited
US6436310B1 Cited
US6440325B1 Cited
US6080330A Cited
WO2001007532A1 Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2006-07-28 2007-01-27 2007-07-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2010-07-28 2011-01-27 2011-07-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2014-07-28 2015-01-27 2015-07-29 $7700.00 Window Closed / Lapsed

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