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Vasodialators

Fungicidal-compositions-and-methods-for-production-thereof

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Fungicidal compositions and methods for production thereof

Details

Inventors: Guo, Yili;
Assignee: Rohm and Haas Company (Philadelphia, PA)
Primary Examiner: Robinson; Allen J.
Assistant Examiner: Clardy; S. Mark
Attorney, Agent or Firm: Leightner; Joseph F.

Novel and improved fungicidal dithiocarbamate particulate compositions comprising one or more components selected from dithiocarbamates and bisdithiocarbamoyl disulfides and an effective amount of moisture content to significantly enhance the flowability of the particulate composition, reduce the dustiness of the composition, increase the bulk density of the composition and/or reduce the ethylenethiourea content of the composition. Methods for producing such particulate compositions are presented wherein controlled slurry production and spray-drying are effective in producing such compositions.

DETAILED DESCRIPTION What is claimed is: 1.
A particulate composition comprising one or more components selected from dithiocarbamates and bisdithiocarbamoyl disulfides and a moisture content of from about 2.
5 to about 20% by weight of the particulate composition such that the resulting particulate compound has a bulk density of at least about 0.
75 grams per cubic centimeter.
2.
The composition of claim 1 wherein said one or more component is selected from ethylenebisdithiocarbamate metal salts, dimethyldithiocarbamate metal salts, propylenedithiocarbamate metal salts, metiram and thiram.
3.
The composition of claim 2 wherein said ethylenebisdithiocarbamate metal salts are mancozeb, maneb and zineb.
4.
The composition of claim 3 wherein said ethylenebisdithiocarbamate metal salt is mancozeb.
5.
The composition of claim 3 wherein said ethylenebisdithiocarbamate metal salt is maneb or zineb.
6.
The composition of claim 2 wherein said dithiocarbamate is thiram or metiram.
7.
The composition of claim 2 wherein said dimethyldithiocarbamate metal salt is ziram.
8.
The composition of claim 2 wherein the total weight of the one or more components selected from dithiocarbamate and bisdithiocarbamoyl disulfide is from about 20 to about 95 weight percent of said particulate composition.
9.
The composition of claim 1 wherein the moisture content is from about 2.
5 to about 10% by weight of the composition.
10.
The composition of claim 1 wherein the moisture content is comprised of one or more component(s) selected from water, alcohol, ammonia, carbon disulfide and glycol.
11.
The composition of claim 10 wherein the moisture content is predominantly water.
12.
The composition of claim 11 wherein the moisture content is from about 2.
5 to about 10% by weight of the composition.
13.
The composition of claim 11 wherein the moisture content is predominantly water of hydration.
14.
The composition of claim 1 having an initial ethylenethiourea content of less than about 0.
1 weight percent of the composition

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