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Home Liquid Purification Novel-compositions-containing-acetylenic-glycol-safeners-for-spring-wheat

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 Novel compositions containing acetylenic glycol safeners for spring wheat

Details
Inventors: Demchak, Richard Joseph; Whitehead, David Lasilla;
Assignee: American Cyanamid Company (Stamford, CT)
Primary Examiner: Brust; Joseph Paul
Assistant Examiner:
Attorney, Agent or Firm: Kline; Harry H.

Novel composition comprising in combination a 1,2-dialkyl-3,5-diphenylpyrazolium salt and an acetylenic glycol safener, and a method of utilizing said composition for the selective postemergence control of wild oats in spring wheat, whereby the said safener minimizes the phytotoxic damage frequently caused by said 1,2-dialkyl-3,5-diphenylpyrazolium salt.

DETAILED DESCRIPTION We claim: 1.
A composition of matter comprising: a mixture of from about 90% to about 99%, by weight, of a compound having the formula (I): ##STR5## wherein R.
sub.
1 and R.
sub.
2 are each lower alkyl C.
sub.
1 -C.
sub.
4 ; Y,Y',Z and Z' are members selected from the group consisting of hydrogen, halogen, nitro, alkyl C.
sub.
1 -C.
sub.
4, haloalkyl C.
sub.
1 -C.
sub.
4, alkoxy C.
sub.
1 -C.
sub.
4, m is an integer from 1 to 3; X is an anion selected from the group consisting of acetate, sulfate, hydroxide, hydrogen sulfate, methyl sulfate, benzene sulfonate, p-toluenesulfonate, nitrate, phosphate, carbonate and alkane sulfonate C.
sub.
1 -C.
sub.
4 ; and from about 1% to about 10%, by weight, of a compound having the formula: ##STR6## wherein R is selected from the group consisting of ethyl and 2-methylpropyl; and n+p represents the number 0, 3.
5, 10 or 30.
2.
The composition of matter according to claim 1, wherein R is 2-methylpropyl; n+p is 0; R.
sub.
1 and R.
sub.
2 are both methyl and Y,Y',Z and Z' are hydrogen.
3.
The composition of matter according to claim 1, wherein R is ethyl; n+p is 0; R.
sub.
1 and R.
sub.
2 are both methyl; Y,Y',Z and Z' are hydrogen.
4.
The composition of matter according to claim 1, wherein the mixture comprises 1,2-dimethyl-3,5-diphenyl-pyrazolium methyl sulfate and 2,4,7,9-tetramethyl-5-decyne-4,7-diol.
5.
The composition of matter according to claim 1, wherein the mixture comprises: 1,2-dimethyl-3,5-diphenyl-pyrazolium methyl sulfate and 3,6-dimethyl-4-octyne-3,6-diol.
6.
The composition of matter comprising: a mixture of from 1 lb to 4 lb by weight of active cation per gallon of aqueous solution of a compound having the claim 1 formula (I): ##STR7## wherein R.
sub.
1 and R.
sub.
2 each are selected from lower alkyl C.
sub.
1 -C.
sub.
4 ; Y,Y',Z and Z' are members selected from the group consisting of hydrogen, halogen, nitro, alkyl C.
sub.
1 -C.
sub.
4, haloalkyl C.
sub.
1 -C.
sub.
4, alkoxy C.
sub.
1 -C.
sub.
4 ; m is an integer from 1 to 3; X is an anion selected from the group consisting of acetate, sulfate, hydroxide, hydrogen sulfate, methyl sulfate, benzene sulfonate, p-toluenesulfonate, nitrate, phosphate, carbonate and alkane sulfonate C



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