(US20190335749) Adjustable Release Pesticide Tablet Formulations 机翻标题: 暂无翻译,请尝试点击翻译按钮。

源语言标题
(US20190335749) Adjustable Release Pesticide Tablet Formulations
公开号/公开日
US20190335749 / 2019-11-07
申请号/申请日
US16/405,397 / 2019-05-07
发明人
ROBERTSON NICHOLAS W;
申请人
ROBERTSON NICHOLAS W;
主分类号
IPC分类号
A01N-025/10 A01N-033/22
摘要
(US20190335749) Pesticide formulations especially suited for commercial use in tablet form where the release rate of the pesticide is adjustable based on conditions and requirements for disintegration and dispersion in water, at any temperature, of pesticidally active compounds.
机翻摘要
暂无翻译结果,您可以尝试点击头部的翻译按钮。
地址
代理人
代理机构
;
优先权号
2018US-62667107 US201916405397
主权利要求
(US20190335749) We claim: 1. A tablet having an adjustable release time in water, comprising: a pesticide and an adjustable time release coating consisting of alginate. 2. The tablet of claim 1 wherein the coating further consists of fiber. 3. The tablet of claim 2 wherein the coating further consists of cellulose. 4. The tablet of claim 2 wherein the pesticide is solubilized within the coating. 5. The tablet of claim 4 wherein the pesticide, if an acid, is solubilized with a base or if a base, is solubilized with an acid. 6. The tablet of claim 5 wherein the base is an hydroxide. 7. The tablet of claim 6 wherein the pesticide is a weak acid. 8. The tablet if claim 1 wherein the pesticide consists of a pesticide specific for water born pests. 9. The tablet of claim 8 wherein the pesticide consists of a lampricide. 10. The tablet of claim 9 wherein the pesticide consists of TFM. 11. The tablet of claim 1 wherein the pesticide is steadily released in water from between 0 and 20 hours. 12. The tablet of claim 11 wherein the pesticide is steadily released in water between 0 and 14 hours. 13. A process for making an adjustable time release tablet for releasing a pesticide in water, comprising: coating a pesticide with a layer of alginate sufficiently for release in water and adjusting the release rate by adding more layers. 14. The process of claim 13 wherein the release rate is adjusted by adding fiber. 15. The process of claim 14 wherein the release rate is adjusted by adding cellulose. 16. A process for making an adjustable time release tablet for releasing a pesticide in water, comprising: solubilizing a pesticide sufficiently for release in water by adding a weak base to the pesticide when the pesticide is a weak acid or by adding a weak acid to the pesticide when the pesticide is a weak base and adjusting the release rate by increasing or decreasing the amount of additive. 17. The process of claim 16 wherein the release rate is adjusted by coating a pesticide with a layer of alginate sufficiently for release in water and adjusting the release rate by adding more layers. 18. The process of claim 17 wherein the release rate is adjusted by adding fiber to the alginate. 19. The process of claim 18 wherein the release rate is adjusted by adding cellulose to the alginate. 20. The process of claim 16 wherein the pesticide is TFM.
法律状态
PENDING
专利类型码
A1
国别省市代码
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