Abstract: The present invention relates to a crumbly phase composition containing on total weight of the composition (i) 70-87 wt % of organic compounds and salts thereof containing 85 to 100 wt % on total organic compounds and salts thereof of MGDA-Na3, wherein at least 60 wt % of the MGDA-Na3 is crystalline, and (ii) 13-30 wt % of water The invention furthermore relates to a process to prepare the above composition and a process to prepare crystals of MGDA-Na3 by drying the above composition.

Abstract: A solid composition, methods for preparing and using the composition, and a rehydrated crystal are disclosed. An exemplary solid composition contains at least about 2 wt % of methyl glycine-N,N-diacetic acid trisodium salt of crystal type III, based on the total weight of crystalline methyl glycine-N,N-diacetic acid trisodium salt compounds, wherein the crystal type III is the form of a crystal, comprising a crystalline modification characterized by the reflections enlisted below when analyzed with X-ray diffraction analysis using Cu K? radiation: Type III 2? d (?) 5.8 15.2 7.5 11.8 8.1 10.9 9.5 9.3 11.7 7.6 13.9 6.4 15.1 5.9 16.5 5.4 17.3 5.1 18.5 4.8 19.1 4.65 20.1 4.4.

Abstract: A solid composition, methods for preparing and using the composition, and a rehydrated crystal are disclosed. An exemplary solid composition contains at least about 2 wt % of methyl glycine-N,N-diacetic acid trisodium salt of crystal type III, based on the total weight of crystalline methyl glycine-N,N-diacetic acid trisodium salt compounds, wherein the crystal type III is the form of a crystal, comprising a crystalline modification characterized by the reflections enlisted below when analyzed with X-ray diffraction analysis using Cu K? radiation: Type III 2? d (?) ?5.8 15.2? ?7.5 11.8? ?8.1 10.9? ?9.5 9.3 11.7 7.6 13.9 6.4 15.1 5.9 16.5 5.4 17.3 5.1 18.5 4.8 19.1 ?4.65 20.1 4.

Abstract: The present invention relates to alanine N-acetic acid precursors of formula (i) COOM-CH(CH3)—NH—(CH2CN), wherein M is hydrogen (alanine N-monoacetonitrile), or (ii) COOM-CH(CH3)—N—(CH2CN)2, wherein 0 to 50% of all M is sodium or potassium and 50 to 100% of all M is hydrogen (alanine N,N-diacetonitrile and its partial sodium or potassium salts) comprising L-alanine to D-alanine in a range of from 75:25 to 50:50 (L:D), or (iii) COOM-CH(CH3)—N—(CH2CONH2)2, wherein M is hydrogen (alanine N,N-diacetamide), in the form of crystals, and relates to a process to prepare these precursors and their use, especially to give MGMA or MGDA.

Abstract: The present invention relates to alanine N-acetic acid precursors of formula (i) COOM-CH(CH3)-NH—(CH2CN), wherein M is hydrogen (alanine N-monoacetonitrile), or (ii) COOM-CH(CH3)-N—(CH2CN)2, wherein 0 to 50% of all M is sodium or potassium and 50 to 100% of all M is hydrogen (alanine N,N-diacetonitrile and its partial sodium or potassium salts) comprising L-alanine to D-alanine in a range of from 75:25 to 50:50 (L:D), or (iii) COOM-CH(CH3)-N—(CH2CONH2)2, wherein M is hydrogen (alanine N,N-diacetamide), in the form of crystals, and relates to a process to prepare these precursors and their use, especially to give MGMA or MGDA.

Abstract: The invention relates to glutamic acid N,N-diacetic acid (GLDA) of the formula GLDA-YmHn, wherein m is less than 0.5, n+m=4, Y is a monovalent cation that is not a proton, in the form of crystals, a process to make these crystals, and their uses, in particular in detergent compositions.

Abstract: The invention relates to a salt of glutamic acid-N,N-diacetic acid (GLDA) of the formula GLDA-YmHn, wherein m is equal to or more than 0.5 and lower than or equal to 2.5, n+m=4, and wherein Y is a monovalent cation that is not a proton, comprising L-GLDA-YmHn to D-GLDA-YmHn in a range between 100:0 and 50:50 (L:D), characterized in that the salt is crystalline, a process to make such crystalline salt, and to uses of such salt, such as, in particular, in detergent compositions.

Abstract: The invention relates to a salt of glutamic acid-N,N-diacetic acid (GLDA) of the formula GLDA-YmHn, wherein m is equal to or more than 0.5 and lower than or equal to 2.5, n+m=4, and wherein Y is a monovalent cation that is not a proton, comprising L-GLDA-YmHn to D-GLDA-YmHn in a range between 100:0 and 50:50 (L:D), characterized in that the salt is crystalline, a process to make such crystalline salt, and to uses of such salt, such as, in particular, in detergent compositions.

Abstract: The invention relates to glutamic acid N,N-diacetic acid (GLDA) of the formula GLDA-YmHn, wherein m is less than 0.5, n+m=4, Y is a monovalent cation that is not a proton, in the form of crystals, a process to make these crystals, and their uses, in particular in detergent compositions.

Abstract: Process to prepare coated particles containing a particle and a coating, wherein the particle contains glutamic acid N,N-diacetic acid or a (partial) salt thereof of the formula HnYm-GLDA, wherein Y is a cation selected from the group of sodium, potassium, lithium, and mixtures thereof, n+m=4, in which the particle is made from a solution containing glutamic acid N,N-diacetic acid or a partial salt thereof that has a pH of between 4 and 11, and subsequently or simultaneously the coating is applied on the particle, to an intermediate particle of HnYm-GLDA, wherein n is 0.1-3.2 and m is 0.8-3.9, the coated particle obtainable with the process, and the use thereof.

Abstract: Process to prepare coated particles containing a particle and a coating, wherein the particle contains glutamic acid N,N-diacetic acid or a (partial) salt thereof of the formula HnYm-GLDA, wherein Y is a cation selected from the group of sodium, potassium, lithium, and mixtures thereof, n+m=4, in which the particle is made from a solution containing glutamic acid N,N-diacetic acid or a partial salt thereof that has a p H of between 4 and 11, and subsequently or simultaneously the coating is applied on the particle, to an intermediate particle of HnYm-GLDA, wherein n is 0.1-3.2 and m is 0.8-3.9, the coated particle obtainable with the process, and the use thereof.