| Patent Number |
Title Of Patent |
Date Issued |
| 5110976 |
Insecticidal composition comprising more than one active ingredient |
May 5, 1992 |
| A process is disclosed for preparing a synergistic, crystalline product consisting of solely enantiomer pair 1RCisS and 1SCisR and enantiomer pair 1RTransS and 1STransR of cypermethrin in a 3:7 to 5:5 crystalline mixture, which comprises the steps of: (a) epimerizing an oily melt or a sa |
| 5013754 |
Insecticidal composition comprising more than one active ingredient |
May 7, 1991 |
| According to the present invention there is provided a synergistic insecticidal composition containing more than one active ingredients and being harmless to environment characterized by comprising in an amount of from 0.001 to 99% by weight a synthetic pyrethroid of the Formula /I/ |
| 4999454 |
Process for the preparation of trichloromethyl carbinols |
March 12, 1991 |
| The invention is directed to a new process for the preparation of carbinols of the general formula I ##STR1## by reaction chloral and olefins of the general formula ##STR2## and by optional acylation of the product comprising dissolving a catalyst of the general formula IIIin |
| 4845126 |
Insecticidal composition comprising more than one active ingredient |
July 4, 1989 |
| According to the present invention there is provided a synergistic insecticidal composition containing more than one active ingredients and being harmless to environment characterized by comprising in an amount of from 0.001 to 99% by weight a synthetic pyrethroid of the Formula /I/ |
| 4843174 |
Process for separating pyethroid geometric isomers |
June 27, 1989 |
| The invention relates to the separation of the geometrical isomers of cyclopropane carboxylic acids of formula (I) ##STR1## wherein R represents alkyl having 1 to 4 carbon atoms or halogen. |
| 4599444 |
Process for the separation of isomeric cyclopropane-carboxylic acids |
July 8, 1986 |
| The invention relates to a new process for separating the four stereoisomers of the cyclopropanecarboxylic acids of the formula ##STR1## wherein R stands for a methyl group or a halogen atom.The process comprisesreacting a salt formed with an alkali hydroxide or an alkali carbonate of |
| 4521612 |
Process for the separation of esters |
June 4, 1985 |
| The present invention relates to a process for the selective separation of esters of the general formula IIfrom mixtures containing the cyclopropane carboxylic acid esters of the general formula I ##STR1## in addition to the said esters of the general formula II by reacting the s |
| 4508919 |
Process for the preparation of optically active cyclopropane carboxylic acids |
April 2, 1985 |
| The invention relates to a process for the preparation of enantiomers of trans vinyl-cyclopropane carboxylic acids of the formula I, ##STR1## wherein R is a methyl group or chlorine atom, by resolution of racemic trans compound or mixture of racemic cis and trans compounds by using ( |
| 4450309 |
Process for the preparation of unsaturated geminal dihalogen compounds |
May 22, 1984 |
| The invention relates to a new process for preparing unsaturated geminal dihalogen compounds. More particularly, the invention concerns a process for preparing compounds of the formula (I) ##STR1## wherein X is halogen,R.sup.1 is a straight or branched chained alkenyl group having 2 |
| 4419524 |
Process for the preparation of dihalovinylcyclopropanecarboxylic acids |
December 6, 1983 |
| The invention relates to a new process for the preparation of cyclopropanecarboxylic acids of the formula (I) ##STR1## wherein X and Y independently stand for halogen, by the alkaline hydrolysis of the corresponding alkyl esters having 1 to 6 carbon atoms in the alkyl moiety, in |
| 4347377 |
Process for the preparation of polyhalogenphenyl carbamates |
August 31, 1982 |
| The invention concerns a new process for the preparation of polyhalogenphenyl carbamates of the formula (I)whereinR.sup.1 is alkyl, aralkyl or aryl, where the aromatic rings may optionally be substituted; andR.sup.2 is phenyl substituted with three, four or five halogens, through interme |
| 4299972 |
Preparation of cyclopropanecarboxylic acid esters |
November 10, 1981 |
| A process is disclosed for the preparation of an optically active or racemic cyclopropanecarboxylic acid of the formula (I) ##STR1## wherein R.sup.1 and R.sup.2 are the same or different and each is lower alkyl or halogen;R is a member of a group which contains various cyclic structu |
| 4281170 |
Process for the preparation of pyrethrins and analogues thereof and insecticidal compositions co |
July 28, 1981 |
| A method of making an insecticidal pyrethrin by oxidation in aprotic organic solvent. The compounds are of the formula: ##STR1## wherein R.sup.11 is straight or branched chain lower alkyl or 1-alkenyl or hydrogen;R and R.sup.12 are the same or different and are hydrogen, halogen or l |
| 4248888 |
Chemical compounds |
February 3, 1981 |
| Insecticidal compounds of the formula: ##STR1## wherein R.sup.11 is a straight or branched chain lower alkyl or 1-alkenyl or hydrogen;R and R.sup.12 are the same or different and are hydrogen, halogen, or straight or branched chained lower alkyl, or one of the moieties R and R.su |
