公开(公告)号：ES2882568T3

公开(公告)日：2021-12-02

申请号：ES18717928

申请日：2018-04-16

Applicant: BASF SE

Inventor： REINOSO GARCIA MARTA ,  MORMUL VERENA ,  SCHMIDT THOMAS ,  MANNING JEREMY

IPC: C11D3/33 ,  C11D11/00 ,  C11D17/04

Abstract: Recipiente que comprende una dosis unitaria de una composición detergente que contiene al menos dos agentes complejantes (A) disueltos en un medio acuoso líquido o tipo gel a temperatura ambiente, siendo dichos agentes complejantes (A) (A1) al menos una sal de metal alcalino del ácido metilglicina diacético (MGDA), y (A2) al menos una sal de metal alcalino del ácido glutámico-ácido diacético (GLDA), la relación en peso de (A1) y (A2) está en el intervalo de 1:9 a 9:1, en el que dicho recipiente está realizado de un polímero, y en el que dicho medio acuoso comprende al menos un 25% en peso de agua, referido a toda la fase líquida sin agente complejante (A1) y sin agente complejante (A2), en el que la cantidad total de impurezas ópticamente inactivas está seleccionada entre ácido propiónico, ácido fórmico, ácido glicólico, ácido láctico, glutamato, alanina y ácido nitrilotriacético (NTA) y sus respectivas sales de metales alcalinos está en el intervalo de 0,1 al 5% en peso, referido al agente complejante (A), y en el que los agentes complejantes (A1) y (A2) se neutralizan parcialmente con álcali.

公开(公告)号：CA2985149A1

公开(公告)日：2016-11-17

申请号：CA2985149

申请日：2016-05-03

Applicant: BASF SE

Inventor： STAMM ARMIN ,  SCHMIDT THOMAS ,  ORR CHRISTOPHER ,  MANNING JEREMY

IPC: C07C227/18 ,  C07C229/24 ,  C09K8/035 ,  C11D3/33

Abstract: Process for making a chelating agent according to the general formula (I), R1-CH(COOX1)-N(CH2COOX1)2 wherein R1 is selected from hydrogen, C1-C4-alkyl, phenyl, benzyl, CH2OH, and CH2CH2COOX1, X1 is (???1-?), M being selected from alkali metal, x is in the range of from 0.6 to 1, said process comprising the following steps: (a) providing a solid, a slurry or a solution of a compound according to general formula (II a) R1-CH(COOX2)-N(CH2CN)2 wherein X2 is (MyH1-y), M being selected from alkali metal, y is in the range of from zero to 1, (b) contacting said solid or slurry or solution with an aqueous solution of alkali metal hydroxide, wherein the molar ratio of alkali metal ions to nitrile groups is in the range of from 0.6:1 to 0.95:1, (c) reacting said compound according to general formula (II a) with said alkali metal hydroxide.

公开(公告)号：EP3294702A1

公开(公告)日：2018-03-21

申请号：EP16720815

申请日：2016-05-03

Applicant: BASF SE

Inventor： STAMM ARMIN ,  SCHMIDT THOMAS ,  ORR CHRISTOPHER ,  MANNING JEREMY

IPC: C07C227/18 ,  C07C229/24 ,  C09K8/035 ,  C11D3/33

CPC classification number: C07C227/18 ,  C09K8/035 ,  C11D3/33 ,  C07C229/16

Abstract: Process for making a chelating agent according to the general formula (I), R1-CH(COOX1)-N(CH2COOX1)2 wherein R1 is selected from hydrogen, C1-C4-alkyl, phenyl, benzyl, CH2OH, and CH2CH2COOX1, X1 is (ΜχΗ1-χ), M being selected from alkali metal, x is in the range of from 0.6 to 1, said process comprising the following steps: (a) providing a solid, a slurry or a solution of a compound according to general formula (II a) R1-CH(COOX2)-N(CH2CN)2 wherein X2 is (MyH1-y), M being selected from alkali metal, y is in the range of from zero to 1, (b) contacting said solid or slurry or solution with an aqueous solution of alkali metal hydroxide, wherein the molar ratio of alkali metal ions to nitrile groups is in the range of from 0.6:1 to 0.95:1, (c) reacting said compound according to general formula (II a) with said alkali metal hydroxide.