The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Oct. 04, 2011

Filed:

Jun. 02, 2008
Applicants:

Rajesh Mukherjee, Irvine, CA (US);

Toshitaka Nakamura, Oceanside, CA (US);

Amane Mochizuki, San Diego, CA (US);

Jami Hafiz, Minneapolis, MN (US);

Srivathsan Ganapathysubramanian, Minneapolis, MN (US);

Joachim V. R. Heberlein, North Oaks, MN (US);

Steven L. Girshick, Minneapolis, MN (US);

Inventors:

Rajesh Mukherjee, Irvine, CA (US);

Toshitaka Nakamura, Oceanside, CA (US);

Amane Mochizuki, San Diego, CA (US);

Jami Hafiz, Minneapolis, MN (US);

Srivathsan Ganapathysubramanian, Minneapolis, MN (US);

Joachim V. R. Heberlein, North Oaks, MN (US);

Steven L. Girshick, Minneapolis, MN (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22F 9/14 (2006.01); C01F 17/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

Methods of generating nanoparticles are described that comprises feeding nebulized droplets into a radio frequency plasma torch to generate nanoparticles, wherein the majority of the nanoparticles generated have a diameter of less than about 50 nm. These methods are useful for synthesizing nanoparticles of metals, semiconductors, ceramics or any other material class where the precursors are either in liquid form or can be dissolved or suspended in a suitable liquid. Methods of feeding nebulized droplets and central gas into a radio frequency plasma torch and apparatus for generating nanoparticles are also described.


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