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:
Jan. 31, 2017

Filed:

Nov. 02, 2007
Applicants:

Li-na Zhang, Beijing, CN;

Yao-jun Zhang, Beijing, CN;

Yi Ren, Beijing, CN;

Kai-li Jiang, Beijing, CN;

Qun-qing LI, Beijing, CN;

Shou-shan Fan, Beijing, CN;

Inventors:

Li-Na Zhang, Beijing, CN;

Yao-Jun Zhang, Beijing, CN;

Yi Ren, Beijing, CN;

Kai-Li Jiang, Beijing, CN;

Qun-Qing Li, Beijing, CN;

Shou-Shan Fan, Beijing, CN;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 41/12 (2006.01);
U.S. Cl.
CPC ...
B29C 41/12 (2013.01);
Abstract

A method for making a nano-scale film includes the steps of: (a) providing a suspension including an organic solvent and a number of nano-scale particles dispersed therein; (b) dropping/releasing the suspension into a liquid having a specific gravity greater than that of the nano-scale particles; and (c) forming a uniform film of nano-scale particles on the surface of the liquid.


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