| 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). |
| 5068424 |
Process for preparing arylsulphonyl-isocyanates and addition derivatives thereof |
November 26, 1991 |
| The invention relates to a process for preparing arylsulphonyl isocyanates of the general formula (I) ##STR1## and addition derivatives thereof--where in the formula the meaning of the substituents are as follows:Ar represents optionally substituted aryl, naphthyl- or thienyl group, |
| 5055125 |
Antidoted herbicide compositions and antidote compositions |
October 8, 1991 |
| Herbicidal compositions comprising a substituted thiolcarbamate derivative corresponding to the formula (I) wherein R.sub.1, R.sub.2 and R.sub.3 are selected independently from alkyl groups having 1 to 4 carbon atoms and/or a chloroacetanilide derivative corresponding to 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 |
| 4968840 |
Process for preparing methoxyacetic acid |
November 6, 1990 |
| A process for preparing methoxyacetic acid by reacting monochloroacetic acid with sodium methylate, in a methanolic solvent at increased temperature. Methanol is distilled off and methoxyacetic acid methylester is added to the residue. The stirrable mixture is contacted with dry hydr |
| 4954628 |
Process for preparing N-sulphonyl-ureas |
September 4, 1990 |
| The invention relates to a process for preparing sulphonyl-ureas of the general formula (I) ##STR1## wherein Ar.sub.1 represents a phenyl, naphthyl or thienyl group, the derivatives thereof substituted by C.sub.1-4 alkyl, C.sub.1-4 haloalkyl, (halo)alkoxycarbonyl, (halo)alkyloxy, |
| 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 |
| 4859772 |
Process for the preparation of 3-isopropyl-benzo-2-thia-1,3-diazinone-(4)-2,2-dioxide |
August 22, 1989 |
| The present invention relates to a process for the preparation of 3-isopropyl-benzo-2-thia-1,3-diazinone-(4)-2,2-dioxide which comprises preparing isopropyl sulfamoyl chloride in one step by reacting N,N'-diisopropyl-urea with phosphorus trichloride and chlorine in the presence of ol |
| 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- |
| 4672112 |
.beta.-Cyclodextrine complex of benzene sulphonyl urea derivatives |
June 9, 1987 |
| A new and improved herbicidal and plant growth regulating composition, and the method of manufacturing that composition. The new complex composition of the invention is an inclusion complex of one more benzene sulphonyl urea derivative of the general formula (II) ##STR1## and two |
| 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, |
