公开(公告)号：US10189772B2

公开(公告)日：2019-01-29

申请号：US15554492

申请日：2016-03-01

Applicant: BASF SE

Inventor： Constanze Franzke ,  Frank Jaekel ,  Carsten Sueling

IPC: C07C227/18 ,  C07C229/16 ,  C11D3/33 ,  C11D3/00

Abstract: Mixtures comprise (A) 90 to 99.9% by weight of a mixture of L- and D-enantiomers of methyl glycine diacetic acid (MGDA) or its respective mono-, di- or trialkali metal or mono-, di- or triammonium salts, said mixture containing predominantly the respective L-enantiomer with an enantiomeric excess (ee) in the range of from 10 to 99%, and (B) in total 0.1 to 10% by weight of the diacetic acid derivative of at least one amino acid selected from valine, leucine, isoleucine, and tyrosine, as free acids or respective mono-, di- or trialkali metal or mono-, di- or triammonium salts, percentages referring to the sum from (A) and (B).

公开(公告)号：US09873659B2

公开(公告)日：2018-01-23

申请号：US15516589

申请日：2015-10-07

Applicant: BASF SE

Inventor： Marta Reinoso Garcia ,  Constanze Franzke ,  Armin Stamm

IPC: C11D3/33 ,  C07C227/42 ,  C07C229/24 ,  C07C229/16 ,  C07C227/26 ,  C11D3/20 ,  C11D3/04 ,  C11D3/10

CPC classification number: C07C229/16 ,  C07C227/26 ,  C11D3/044 ,  C11D3/046 ,  C11D3/10 ,  C11D3/2079 ,  C11D3/2082 ,  C11D3/33

Abstract: Aqueous solution containing in the range of from 60.5 to 75% by weight of a mixture of trialkalimetal salts of the L-and D-enantiomers of methyl glycine diacetic acid (MGDA), said mixture containing predominantly the respective L-isomer with an enantiomeric excess (ee) in the range of from 3 to 97%, wherein said trialkali metal salts have the general formula (I) [CH3—CH(COO)—N(CH2—COO)2]K3−xNax (I) wherein x is in the range of from zero to 2.9.

公开(公告)号：US10421711B2

公开(公告)日：2019-09-24

申请号：US16061007

申请日：2016-12-07

Applicant: BASF SE

Inventor： Constanze Franzke ,  Axel Franzke ,  Armin Stamm ,  Markus Hartmann ,  Robert Baumann

IPC: C07C227/10 ,  C07C227/18 ,  C07C227/42 ,  C07C227/02 ,  C07C229/36 ,  C11D3/33

Abstract: Process for manufacturing a crystalline alkali metal salt of the general formula (I) [R1—CH(COO)—N(CH2—COO)2]M13 (I) wherein M1 is selected from alkali metal cations, same or different, R1 is selected from C1-C4-alkyl and CH2CH2COOM1, comprising the step of (b) crystallizing said alkali metal salt from an aqueous solution containing in the range of from 5 to 30% by weight of alkali metal hydroxide, referring to said aqueous solution.

公开(公告)号：US10273438B2

公开(公告)日：2019-04-30

申请号：US15518608

申请日：2015-10-07

Applicant: BASF SE

Inventor： Markus Hartmann ,  Frank Jaekel ,  Constanze Franzke

IPC: C11D3/33 ,  C11D7/32 ,  C11D17/04 ,  B08B3/04

Abstract: Container comprising a single unit dose of a detergent composition containing at least one complexing agent (A) dissolved in an aqueous medium, said complexing agent (A) being a mixture of the L- and D-enantiomers of glutamic acid diacetic acid (GLDA) or its respective mono-, di-, tri- or tetraalkali metal salts or its mono-, di-, tri- or tetraammonium salts, said mixture containing predominantly the respective L-isomer with an enantiomeric excess (ee) in the range of from 5 to 90%, wherein said container is made from a polymer.