[특허]Self-microencapsulating controlled release pesticide compositions

Self-microencapsulating controlled release pesticide compositions 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A01N-025/10 A61K-031/78 B01J-013/02
출원번호	US-0861700 (1986-05-09)
발명자 / 주소	Tocker Stan (Wilmington DE)
출원인 / 주소	E. I. Du Pont de Nemours and Company (Wilmington DE 02)
인용정보	피인용 횟수 : 17 인용 특허 : 4

초록

This invention relates to a self-microencapsulating pesticidal composition consisting essentially of a solution of a polymeric barrier material in an organic solvent system, a dissolved or dispersed pesticidal agent and a surfactant.

대표청구항 ▼

A self-microencapsulating pesticidal composition which when added to water with mild stirring will form particles of the pesticide encapsulated with a polymer, said composition consisting essentially of a solution of a polymeric barrier material dissolved in an organic solvent system, a dissolved or dispersed pesticidal agent and at least one surfactant, said composition having a Brookfield viscosity of less than 1500 cp at 20°C. wherein (1) the organic solvent system comprises one or more solvents with at least one organic solvent having a hydrogen bonding index of less than 5.7 and a rate of dissolution in water that permits the solution of the organic solvent and barrier material to form small immiscible droplets of the solution in the water before substantial dissolution of the solvent in the water occurs, (2) the polymeric barrier is completely soluble in the organic solvent system and provides good resistance to permeation by water and (3) at least one surfactant having a HLB that will permit the surfactant to provide rapid dispersion of the composition in water.

이 특허에 인용된 특허 (4)

Harvey ; John Charles, Aquatic pesticidal compositions and method.
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Himel Chester M. (Athens GA) Cardarelli Nathan F. (Barberton OH), In-flight encapsulation of particles.
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Okamoto Yukikazu (Ikeda JPX) Tagami Manabu (Takarazuka JPX), Pesticidal aqueous suspension.
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Tocker Stanley (Wilmington DE), Process for preparing insecticidal compositions.
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이 특허를 인용한 특허 (17)

Crooks, Regan; Joanicot, Mathieu; Prud'Homme, Robert K.; Coret, Joel, Aqueous suspension of nanoparticles comprising an agrochemical active ingredient.
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Asrar, Jawed; Essinger, Jr., James F., Controlled release formulations and methods for their production and use.
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Levy Richard (Fort Meyers FL), Flowable insecticidal delivery compositions and methods for controlling insect populations in an aquatic environment.
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Levy Richard (Fort Myers FL), Herbicidal delivery compositions and methods for controlling plant populations in aquatic and wetland environments.
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Levy Richard, Insecticidal delivery compositions and methods for controlling a population of insects in an aquatic environment.
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Henriksen, Inge B; Mishra, Awadesh K.; Pace, Gary W.; Johnston, Keith P.; Mawson, Simon, Insoluble drug delivery.
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Clikeman Richard Roy ; Wills Morris Christopher ; Sperry Peter Reeves ; Vogel Martin ; Wu Jiun-Chen ; Lau Willie, Method for forming pluralities of droplets and polymer particles having low polydispersity.
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Scher Herbert B. ; Chen Jin Ling, Microcapsules containing suspensions of biologically active compounds.
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Scher Herbert B. ; Chen Jin Ling, Microcapsules containing suspensions of biologically active compounds.
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Scher Herbert B. ; Chen Jin Ling, Microcapsules containing suspensions of biologically active compounds and ultraviolet protectant.
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Scher Herbert B. ; Chen Jin Ling, Microcapsules containing suspensions of biologically active compounds and ultraviolet protectant.
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Bohm Howard A. (Richmond VA) Friend Deborah R. (Richmond VA), Microencapsulated insecticidal pathogens.
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Bohm Howard A. (Richmond VA) Friend Deborah R. (Richmond VA), Microencapsulated insecticidal pathogens.
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Clikeman Richard Roy ; Wills Morris Christopher ; Sperry Peter Reeves ; Vogel Martin ; Wu Jiun-Chen ; Lau Willie, Particles and droplets containing liquid domains and method for forming in an acueous medium.
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Horn Dieter (Heidelberg DEX) Spengler Reinhard (Ludwigshafen DEX), Pulverulent, water-dispersible preparation of a sparingly water-soluble pharmaceutical active compound and its preparati.
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Levy Richard (Fort Myers FL), Terrestrial delivery compositions and methods for controlling insect and habitat-associated pest populations in terrestr.
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Clikeman Richard Roy ; Natoli John ; Wills Morris Christopher ; Guo Yili, Use of an encapsulated bioactive composition.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Self-microencapsulating controlled release pesticide compositions 원문보기