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公开(公告)号：US09611575B2
公开(公告)日：2017-04-04
申请号：US14202711
申请日：2014-03-10
发明人： Auhin Kumar Maparu , Beena Rai
CPC分类号： D06B1/14 , B05C9/14 , B05C11/04 , B05C11/045
摘要： Disclosed is a method for producing a coated substrate using a compact, easy to handle and automated coating apparatus that can prepare coated composite in a single batch process, with sufficient control over each portion of the coating apparatus. The coating apparatus may include a coating unit, a drying unit and a pressing unit sequentially arranged in a single line to produce the coated substrate.
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2.发明授权Process for synthesis of doped titania nanoparticles having photocatalytic activity in sunlight 有权用于合成在阳光下具有光催化活性的掺杂二氧化钛纳米颗粒的方法公开(公告)号：US09006124B2
公开(公告)日：2015-04-14
申请号：US13861643
申请日：2013-04-12
发明人： Auhin Kumar Maparu , Beena Rai , Vivek Ganvir
IPC分类号： B01J31/00 , B01J27/232 , B01J27/25 , B01J31/38 , C09C1/36 , C25B1/00 , B01J37/32 , B01J21/06 , B01J23/50 , B01J27/24 , B01J35/00 , B01J35/02 , B01J37/00 , B82Y30/00
CPC分类号： B01J31/38 , B01J21/063 , B01J23/50 , B01J27/232 , B01J27/24 , B01J27/25 , B01J35/0013 , B01J35/002 , B01J35/004 , B01J35/023 , B01J37/0036 , B01J37/009 , B01J37/32 , B82Y30/00 , C01P2002/72 , C01P2002/84 , C01P2004/03 , C01P2004/52 , C01P2004/64 , C01P2006/90 , C09C1/3623 , C09C1/3653 , C09C1/3669 , C25B1/003
摘要： Present disclosure provides a process for the synthesis of doped titania nanoparticle having photocatalytic activity greater than 90% at 2 hours under sunlight irradiation. The process involves step a) milling a mixture containing anatase titania and a precursor compound, the compound selected from the group consisting of metal and non-metal salts, in the presence of water and oxide milling media, at a temperature in the range of 20 to 50° C. for a period of 60-120 minutes, to form a slurry, wherein the amount of water is in the range of 15 to 25% by weight of the total mixture; and b) filtering the slurry to separate the oxide milling media and obtain a filtrate containing doped titania nanoparticles.
摘要翻译： 本公开提供了一种在阳光照射下在2小时合成具有大于90％的光催化活性的掺杂二氧化钛纳米颗粒的方法。 该方法包括步骤a）在水和氧化物研磨介质的存在下，在20℃的温度下研磨含有锐钛矿二氧化钛和前体化合物的混合物，选自金属和非金属盐的化合物 至50℃，时间为60-120分钟，以形成浆料，其中水的量在总混合物的15至25重量％的范围内; 和b）过滤浆料以分离氧化物研磨介质并获得含有掺杂二氧化钛纳米颗粒的滤液。
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公开(公告)号：US12053543B2
公开(公告)日：2024-08-06
申请号：US17813237
申请日：2022-07-18
摘要： This disclosure relates generally to a sunscreen composition containing visibly transparent biocompatible ultraviolet blocking polymer nanoparticles. The sunscreen composition comprising polydimethylsiloxane (PDMS) nanoparticles, at least one flavoring agent, at least one coloring agent, at least one stabilizer, and at least one preservative, in a defined form, wherein size of the PDMS nanoparticles ranging from 200 to 1200 nm. The size of the PDMS nanoparticles ranging from 200 to 500 nm for air medium and from 800 to 1200 nm for water medium. The PDMS nanoparticles comprise a PDMS polymer having terminal functional group selected from alkyl, alkoxy, vinyl, hydroxyl, or a combination thereof. The sunscreen composition is available in the defined form selected from a group consisting of a skin cream, a skin lotion, a powder, a gel, and a sprayable liquid.
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