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US 9,403,731 B2Granted
Modified aminocarboxylates with improved storage stability and processability
AssigneeBASF SE
InventorsFrank-Peter Lang, Markus Hartmann, Alejandra Garcia Marcos, Stephan Hueffer
Life of this patent
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Abstract
The invention relates to aminocarboxylates in solid form which have a relatively high storage stability and improved processability, and to the use thereof in household products, in particular detergents, cleaners and care compositions, and in industrial processes.
Claims16
A mixture, comprising:
- particles comprising (A) one or more aminocarboxylate(s);
- and optionally
- (C) at least one solid auxiliary;
- wherein
- the particles (A) are at least partially coated with (B) an additive selected from the group consisting of cellulose powder, magnesium oxide, talc, tricalcium phosphate, pyrogenic silica and precipitated silicas,
- the weight ratio of aminocarboxylate(s) (A) to additive (B) overall ranges from 9:1 to 9999:1,
- wherein said mixture is present in pulverulent, granule or pellet form.
4 more elements
A mixture, comprising:
- (A) one or more aminocarboxylate(s) selected from the group consisting of nitrilotriacetic acid, ethylenediaminetetraacetic acid, diethylenetriaminepentaacetic acid, hydroxyethylethylenediaminetriacetic acid, methylglycinediacetic acid, glutamic acid diacetic acid, 1,3-propylenediaminetetraacetic acid, ethylenediamine-N,N′-bis(2-hydroxyphenylacetic acid), hydroxyethyliminodiacetic acid, iminodisuccinic acid, ethylenediaminedisuccinic acid, and β-alaninediacetic acid,
- wherein
- the aminocarboxylate (A) at least partially coated with (B) an additive selected from the group consisting of cellulose powder, magnesium oxide, talc, tricalcium phosphate, pyrogenic silica and precipitated silicas,
- and optionally
- (C) at least one solid auxiliary;
- wherein the weight ratio of aminocarboxylate(s) (A) to additive (B) overall ranges from 9:1 to 9999:1;
- and
- wherein said mixture is present in pulverulent, granule or pellet form.
5 more elements
A mixture, comprising:
- (A) one or more aminocarboxylate(s), wherein the particle size of the aminocarboxylate (A) component is from 10 to 2500 microns;
- wherein
- the particles (A) are at least partially coated with (B) an additive selected from the group consisting of cellulose powder, magnesium oxide, talc, tricalcium phosphate, pyrogenic silica and precipitated silicas,
- and optionally
- (C) at least one solid auxiliary;
- wherein the weight ratio of aminocarboxylate(s) (A) to additive (B) overall ranges from 9:1 to 9999:1.
3 more elements
Dependencies are inferred from the claim text.