Patents

US6835367: Single step process for the synthesis of nanoparticles of ceramic oxide powders

The invention relates to a single-step process for the synthesis of nanoparticles of phase pure ceramic oxides of a single or a multi-component system comprising one or more metal ions. The process comprises preparing a solution containing all the required metal ions in stoichiometric ratio by dissolving their respective soluble salts in an organic solvent or in water, preparing a precursor, adjusting the nitrate/ammonia content in the system, and heating the system.

Filing Date: 28-02-2002

Issue Date: 28-12-2004

Applicant: CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST),Thiruvananthapuram

Patent No: US6835367

Application No: 10/084860

Inventor(s): James, Jose (Kerala, In); Jose, Rajan (Kerala, In); John, Asha Mary (Kerala, In); Koshy, Jacob (Kerala, In)

IPC Classification: C01F 007/00, C01G 023/00, C01G 025/00, C01G 027/00

Country: United States of America

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