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    • 3. 发明授权
    • Process and agents for controlling the swelling of clays in the presence
of sea-water and clay-based muds
    • 在海水和泥土泥浆存在下控制粘土溶胀的工艺和试剂
    • US4666613A
    • 1987-05-19
    • US600811
    • 1984-04-16
    • Joseph SchapiraJacques VincentDaniel ChaillouJacques Schild
    • Joseph SchapiraJacques VincentDaniel ChaillouJacques Schild
    • C09K8/22C09K7/02
    • C09K8/22Y10S507/904
    • Process for controlling the swelling of clays of bentonite type clays in the presence of salt-water in the preparation of drilling fluids, comprising the steps ofselecting at least one compound from the group of salifiable active compounds comprisingcyanamide, hexamethylenetetramine, guanidine and aminoguanidine,those having the formula:NH.sub.3-n [(CH.sub.2).sub.m --OH].sub.n (I) in which m is equal to 2, 3 or 4 and n to 1, 2 or 3 with the possibility, when m is equal to 3 or 4, of having a branched chain,those having the formula:NH.sub.2 [(CH.sub.2).sub.m --NH].sub.n (CH.sub.2).sub.m --NH.sub.2 (II) in which m is equal to 2, 3, 4, 5 or 6 and n is a whole number from 0 to 10,derivatives of formula (I) and (II),preparing a concentrated mixture, also called premix, of bentonite and soft water,diluting the premix with salt water up to the concentration desired for the drilling fluid,introducing in the premix or in the soft water used for its preparation, or in the premix diluted with salt water, or in the salt water used for diluting the premix, an effective amount of the said a least one active compound without satisfying the same, orintroducing the at least one active compound after salification either in the salt water used for dilution of the premix or into the final diluted mixture or in the premix diluted with soft water.
    • 包括在制备钻井液的盐水存在下控制膨润土型粘土的粘土膨胀的方法,包括从包括氨基氰,六亚甲基四胺,胍和氨基胍的可乳化活性化合物组中选择至少一种化合物的步骤, 具有下式的那些:NH 3-n [(CH 2)m -OH] n(I),其中m等于2,3或4且n至1,2或3,当m等于3或 4,具有支链的那些是具有下式的NH 2 [(CH 2)m -NH] n(CH 2)m -NH 2(II)),其中m等于2,3,4,5或6,n是 0至10的整数,式(I)和(II)的衍生物,制备膨润土和软水的浓缩混合物,也称为预混物,用盐水将预混物稀释至钻井液所需的浓度, 在预混物或用于其制备的软水中引入,或在用盐水稀释的预混物中或在用于稀释pr的盐水中 emix,有效量的所述至少一种活性化合物不满足,或在成盐后将所述至少一种活性化合物引入用于稀释预混物的盐水中或在最终稀释混合物中或在预混物中稀释 用软水。
    • 5. 发明授权
    • Phytosanitary flake compositions
    • 植物检疫片组合物
    • US5776855A
    • 1998-07-07
    • US679757
    • 1996-07-10
    • Joseph SchapiraJacques VincentAnge-Claude GuerinJean-Paul Fournials
    • Joseph SchapiraJacques VincentAnge-Claude GuerinJean-Paul Fournials
    • A01N25/14B01J2/24A01N25/34A01N33/18A01N37/34
    • A01N25/14B01J2/24
    • The invention relates to a new solid storage and marketing presentation for phytosanitary compositions based on any active substance which is little soluble in water or insoluble in water and solid at ambient temperature; these active substances are especially selected from herbicides presenting the said features; these herbicides comprise bramoxynil, ioxynil and their esters as well as. dinitroanilines, especially butralin, pendimethalin, flumetralin and oryzalin. It is in the form of flakes based on a film-forming material which is water-soluble and brittle after drying, and throughout which are dispersed especially the particles of active material. This solid storage and marketing presentation may be prepared by maly of an installation comprising a rotating drying drum (1) on which a thin layer of a dispersion (D) of particles of active substance in an aqueous solution of a film-forming material which is brittle at the dry state is applied. The parties of the surface of the drum on which is applied the dispersion (D) travel through the heated part or zone of the chamber (2) at a speed such that the dispersion is dried, shrinks and becomes detached fromthe surface of the drum (1) in forming flakes (P).
    • 本发明涉及基于在环境温度下几乎不溶于水或不溶于水和固体的任何活性物质的植物检疫组合物的新的固体储存和营销呈现; 这些活性物质特别选自呈现所述特征的除草剂; 这些除草剂包括布拉莫尼,肟基和它们的酯以及。 二硝基苯胺,尤其是丁苯林,二甲戊灵,氟美他嗪和奥立木林。 其基于成膜材料的薄片形式,其在干燥后为水溶性且脆性,并且其中特别分散有活性材料的颗粒。 该固体储存和营销呈现可以通过包括旋转干燥鼓(1)的设备的制备来制备,在该干燥滚筒上形成薄膜的成膜材料的水溶液中的活性物质颗粒的分散体(D) 应用干燥状态下的脆性。 施加分散体(D)的滚筒表面的各方以使分散体干燥,收缩并从滚筒表面脱离的速度行进通过加热的部分或区域(2) 1)形成薄片(P)。