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METHOD FOR WETING POWDER CONTAINING BENZOILE PEROXIDE
专利权人:
ИНК. (US);ДАУ ФАРМАСЬЮТИКАЛ САЙЕНСИЗ
发明人:
ДАУ Гордон Джей (US)
申请号:
RU2012120747/15
公开号:
RU2012120747A
申请日:
2009.10.21
申请国别(地区):
RU
年份:
2013
代理人:
摘要:
1. A method of wetting a powder of benzoyl peroxide, comprising contacting the powder with a wetting fluid containing water and one or more water-soluble organic solvents in a concentration that is sufficient to reduce the surface tension of water to less than 64 dyne / cm 2. A method according to claim 1, wherein the benzoyl peroxide powder is not micronized. The method of claim 2, wherein the powder is aqueous benzoyl peroxide (USP). The method of claim 1, wherein the solvent is mixed with water. The method of claim 1, further comprising mechanically mixing the wetting fluid in contact with the powder. A method according to claim 1, wherein the wetting fluid does not contain surfactants. A wet benzoyl peroxide powder in which the benzoyl peroxide powder is combined with a liquid containing one or more water-soluble organic solvents in a concentration that is sufficient to reduce the surface tension of water to less than 64 dyne / cm. The wetted benzoyl peroxide powder according to claim 7, wherein the benzoyl peroxide powder is not micronized. The wetted benzoyl peroxide powder according to claim 8, wherein the powder is aqueous benzoyl peroxide (USP). The wetted benzoyl peroxide powder according to claim 7, which does not contain surfactants. The wetted benzoyl peroxide powder according to claim 7, wherein the organic solvent is mixed with water. A method of manufacturing a suspension of benzoyl peroxide, comprising suspending a powder that contains benzoyl peroxide in a suspending fluid1. Способ смачивания порошка пероксида бензоила, включающий контакт порошка со смачивающей текучей средой, содержащей воду и один или более водорастворимых органических растворителей в такой концентрации, которая является достаточной, чтобы уменьшить поверхностное натяжение воды до менее чем 64 дин/см.2. Способ по п. 1, в котором пероксид бензоила в порошке не является микронизированным.3. Способ по п. 2, в котором порошок представляет собой водный пероксид бензоила (USP).4. Спосо
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