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1. 发明授权

US06767882B1 Process for producing coated detergent particles 失效
标题翻译：生产包衣洗涤剂颗粒的方法
公开(公告)号：US06767882B1
公开(公告)日：2004-07-27
申请号：US09979530
申请日：2002-01-18
申请人： Girish Jagannath , Manivannan Kandasamy , Ganapathy Venkata Ramanan , Eric San Jose Robles , Kenji Shindo , Tomotaka Inoue
发明人： Girish Jagannath , Manivannan Kandasamy , Ganapathy Venkata Ramanan , Eric San Jose Robles , Kenji Shindo , Tomotaka Inoue
IPC分类号： C11D1700
CPC分类号： C11D1/146 , C11D1/22 , C11D1/24 , C11D3/3409 , C11D3/3418 , C11D11/0088 , C11D17/0039
摘要： A process for preparing detergent particles having a coating layer of water-soluble inorganic material is provided. The detergent particle comprises a particle core of a detergent active material. This particle core is then at least partially covered by a particle coating layer of a water soluble inorganic material. Particularly preferred are non-hydrate inorganic coating materials including double salt combinations of alkali metal carbonates, and sulfates. The particle coating layer may also include detergent adjunct ingredients such as brighteners, chelants, nonionic surfactants, co-builders, etc. The process includes the steps of passing the particle core through a coating mixer such as a low speed mixer of fluid bed mixer and coating the particle core with a coating solution or slurry of the water soluble inorganic material. Upon drying, the resultant detergent particles have improved appearance, flow properties, and improved solubility, and may be packaged and sold as a detergent material or mixed with various other detergent ingredients to provide a fully formulated detergent composition.
摘要翻译：提供了一种制备具有水溶性无机材料涂层的洗涤剂颗粒的方法。洗涤剂颗粒包括洗涤剂活性物质的颗粒核心。然后，该颗粒核心至少部分地被水溶性无机材料的颗粒涂层覆盖。特别优选的是非水合物无机涂料，包括碱金属碳酸盐和硫酸盐的双盐组合。颗粒包衣层还可以包括洗涤助剂成分，例如增白剂，螯合剂，非离子表面活性剂，共助洗剂等。该方法包括使颗粒芯通过涂布混合器如流化床混合器的低速混合器和用水溶性无机材料的涂布溶液或浆料涂覆颗粒芯。干燥后，得到的洗涤剂颗粒具有改善的外观，流动性和改善的溶解性，并且可以作为洗涤剂材料包装和出售或与各种其它洗涤剂成分混合以提供完全配制的洗涤剂组合物。

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