| Patent Number |
Title Of Patent |
Date Issued |
| 5639905 |
Process for preparing N-phenyl-N-methoxyacetyl-DL-alanine methyl ester derivatives |
June 17, 1997 |
| Process for the preparation of N-phenyl-N-methoxyacetyl-DL-alanine methyl ester derivatives of the formula (I). ##STR1## wherein R is a C.sub.1-4 alkyl residue; and n is a cardinal number between from 1 to 3,which comprises reacting an N-methoxyacetyl derivative of the formula (II). |
| 4983764 |
Process for preparing N-phosphonomethyl-glycine |
January 8, 1991 |
| The invention relates to an improvement of a process for preparing N-phosphonomethyl-glycine by oxydation of N-phosphonomethyl-imino-diacetic acid in an aqueous sulphuric acidic medium with hydrogen peroxide.A characteristic feature is using a waste acid liquor as reaction medium formed |
| 4931585 |
Process for preparing N-phosphono-methyl-imino-diacetic acid |
June 5, 1990 |
| The invention relates to the preparation of N-phosphono-methyl-imino-diacetic acid from the calcium salt of imino-diacetic acid in a simplified synthesis. The process comprises in that the imino-diacetic acid calcium salt is heated with concentrated hydrochloric acid in a molar ratio |
| 4776874 |
2-chloro-ethyl phosphonic acid esters and plant growth regulating agents containing same as acti |
October 11, 1988 |
| The present invention relates to new compounds of the general formula (I) ##STR1## wherein R stands for hydrogen, C.sub.1-8 straight or branched chained alkyl, C.sub.1-4 haloalkyl, C.sub.1-4 alkoxy-C.sub.1-2 alkyl,R.sup.1 stands for 2,3-dihydro-2,2-dimethyl-benzofuran-7-yl, 4-methyl- |
| 4668274 |
Etherified 2-hydroxy-ethyl-phosphonic acid derivatives and plant growth regulating agents contai |
May 26, 1987 |
| The present invention refers to new etherified hydroxy-alkyl phosphonic acid derivatives of the general formula (I) ##STR1## wherein R stands for 2,3-dihydro-2,2-dimethyl-benzofuran-7-yl, 4-methyl-coumarin-7-yl, 2,2,4-trimethyl-(2H)-chromen-5-yl or 2,2,4-trimethyl-(2H)-chromen-7, |
| 4555858 |
Method and device for low energy consumption or granular products or the like containing moistur |
December 3, 1985 |
| A hot drying agent discharged from the section for material transport of the bound moisture, having a low moisture content, is recirculated to the front part of the drying area; the moisture content of both of the fed and discharged material is measured and by means of the differential-a |
