IP Library Granted Patent US 8,747,692
Granted Patent B2
US 8,747,692 · App. 13/755,897 · Granted Jun 10, 2014

Substance composition and method for melting ice and preventing slipperiness and use of betaine for melting ice and preventing slipperiness

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Quick Facts
Patent No.
US 8,747,692
App. No.
13/755,897
Granted
Jun 10, 2014
Kind
B2
Abstract

The invention relates to a combination of compounds for de-icing and/or anti-skid treatment, which combination comprises betaine and at least one other de-icing agent, which has been selected from the group consisting of acetates, formates, urea and combinations thereof. The invention also relates to a method of de-icing and/or anti-skid treatment, wherein a combination of compounds selected from the group consisting of acetates, formats, urea and combinations thereof, are applied to a slippery surface or a surface vulnerable to slipperiness. The invention further relates to the use of betaine for de-icing and/or anti-skid treatment, when betaine is used in combination with at least one other de-icing agent, which has been selected from the group consisting of acetates, formates, urea and combinations thereof.

Claims (22)

1. A substance composition for melting ice and/or preventing slipperiness, characterized in that the said composition comprises a combination of betaine and an other ice-melting agent selected from the group consisting of formates, urea and mixtures thereof; wherein the amount of betaine in the composition ranges from 10% to 33%, inclusive, based on the total amount of solids present in said composition.

2. A composition according to claim 1 , wherein betaine is in the form of a solution and the other ice-melting agent is in the form of a solid.

3. A composition according to claim 2 , wherein the combination comprises betaine solution and solid sodium formate.

4. A composition according to claim 1 , wherein betaine and the other ice-melting agent are, independently from each other, in a solid form or in the form of a solution.

5. A composition according to claim 1 , wherein betaine and the other ice-melting agent are present in the combination either as a mixture or separately, adapted to provide a combined effect.

6. A composition according to claim 1 , wherein the combination also comprises chloride.

7. A composition according to claim 1 , wherein the amount of the other ice-melting agent in the combination is sufficient to improve the melting ice and/or preventing slipperiness effect obtained by betaine.

8. A composition according to claim 7 , wherein the amount of the other ice-melting agent is sufficient to produce, together with betaine, a synergistic effect in regard to melting ice and preventing slipperiness.

9. A composition according to claim 1 , wherein the combination exhibits a corrosive effect that is smaller than a combination that produces a similar ice-melting effect but does not comprise betaine.

10. A composition according to claim 1 , wherein the combination exhibits a negative effect on abrasion resistance at an application target that is smaller as compared to a combination that produces a similar ice-melting effect but does not comprise betaine.

11. A composition according to claim 1 , wherein the other ice-melting agent is formate.

12. A composition according to claim 1 , wherein the other ice-melting agent is potassium formate.

13. A method for melting ice and/or preventing slipperiness, characterized in that a substance composition comprising a combination of betaine and an other ice-melting agent selected from the group consisting of acetates, formates, urea and mixtures thereof is added to a slippery surface or a surface that is liable to become slippery; wherein the amount of betaine in the composition ranges from 10% to 33%, inclusive, based on the total amount of solids present in said composition.

14. A method according to claim 13 , wherein betaine is applied as a solution and the other ice-melting agent is applied in the form of a solid.

15. A method according to claim 13 , wherein betaine and the other ice-melting agent are, independently from each other, applied in a solid form or in the form of a solution.

16. A method according to claim 13 , wherein betaine is applied at a temperature of between −20° C. and 100° C.

17. A method according to claim 13 , wherein the amount of the other ice-melting agent is sufficient to improve the melting ice and/or preventing slipperiness effect obtained with betaine.

18. A method according to claim 13 , wherein betaine and the other ice-melting agent are applied to the surface simultaneously or separately, adapted to produce a synergistic effect.

19. A method according to claim 13 , wherein the other ice-melting agent is selected from the group consisting of acetates, formates, and mixtures thereof.

20. A method according to claim 13 , wherein the other ice-melting agent is formate.

21. A method according to claim 13 , wherein the other ice-melting agent is potassium formate.

22. A substance composition for melting ice and/or preventing slipperiness, characterized in that the composition comprises a combination of betaine and an other ice-melting agent, the ice-melting agent being an acetate, wherein the amount of betaine in the composition ranges from 10%-30%, inclusive, based on the total amount of solids present in the composition, and wherein the combination exhibits a corrosive effect that is smaller than another combination that produces a similar ice-melting effect but does not comprise betaine.

Assignments (1)
CHANGE OF NAME Recorded Feb 6, 2024
From: DUPONT NUTRITION BIOSCIENCES APS
To: INTERNATIONAL N&H DENMARK APS
Reel/Frame 066494/0814 →