Gerold Braun

Preparation of glycine-N,N-diacetic acid derivatives

New amino di:carboxylic-N,N-di:acetic acid deriv., useful as complexing agents - is prepd. from amino di:carboxylic acids, formaldehyde and hydrocyanic acid, or alkali metal cyanide, with amino di:carboxylic acid-N,N-di:acetonitrile as intermediate

Method for producing methylglycine-N,N-diethanoic acid-trialkali metal salts with a low by-product content

Process for preparing a crystalline l-mgda tri-alkali metal salt

Improved neutralization of isophorone nitrile synthesis products

PROCESS FOR THE PREPARATION OF AQUEOUS SOLUTIONS OF METHYLGLYCINE-N,N-DIACETIC ACID TRIALKALI METAL SALTS

PROCESS FOR THE PREPARATION OF A CRYSTALLINE L-MGDA TRIALKALI METAL SALT

METHOD FOR THE PRODUCTION OF AMINODICARBOXYLIC ACID-N,N-DIACETIC ACIDS

Process for the preparation of glycine-N,N-diacetic acid derivatives from the reaction of glycine derivatives or their precursors with formaldehyde and an alkalimetal cyanide in an acidic aqueous medium

Preparation of sulfatobetaines