Biodegradable fire-fighting formulation
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United States of America Patent
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Jul 28, 2015
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N/A
app pub date -
Nov 25, 2011
filing date -
Nov 25, 2010
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Abstract
This invention relates to a formulation material and its method useful in forestry firefighting, the formulation material comprising: (a) an anhydride copolymer having a structural formula wherein a functional group X of said formula is at least one alkyl group selected from the family consisting of methyl, ethyl, and propyl groups! and (b) at least 0.1%, by weight, of at least one cross-linking agent for said anhydride copolymer, said agent selected from the group of cross-linking agents consisting of a biopolymer and a tannin, wherein a weight ratio of said anhydride copolymer to said cross-linking agent is at least 2:1, and wherein a total weight of said anhydride copolymer and said cross-linking agent, within the formulation, is at least 25% on an anhydrous basis.
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