Irritant-free gel compositions
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United States of America Patent
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Issued Date -
Oct 26, 2006
app pub date -
Feb 22, 2006
filing date -
Feb 22, 2005
priority date (Note) -
Abandoned
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Abstract
Irritant-free gel compositions according to the present invention include less than 5 parts by weight of one or more marking agents, 0.25-2 parts by weight of a thickening agent; and 30-90 parts by weight water. The thickening agent is typically a vegetable gum. In some embodiments, the compositions may additionally include 20-60 parts by weight of at least one water-miscible solvent, such as monohydric alcohols, polyhydric alcohols and mixtures thereof. The water-miscible solvent may be methyl alcohol, ethyl alcohol, isopropyl alcohol, n-propyl alcohol, ethylene glycol, propylene glycol or a mixture thereof, and preferably a mixture of isopropyl alcohol and propylene glycol.
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