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:
Aug. 22, 2006

Filed:

Jun. 12, 2003
Applicants:

Da-ming Wang, Taoyuan, TW;

Juin-yig Lai, Taoyuan, TW;

Kueir-rarn Lee, Chung-Li, TW;

Pei-yun Kuo, Taipei, TW;

Yu-huei Su, Tainan, TW;

Inventors:

Da-Ming Wang, Taoyuan, TW;

Juin-Yig Lai, Taoyuan, TW;

Kueir-Rarn Lee, Chung-Li, TW;

Pei-Yun Kuo, Taipei, TW;

Yu-Huei Su, Tainan, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 44/04 (2006.01); B01D 39/00 (2006.01); B01D 39/14 (2006.01); B29C 65/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A chitosan membrane containing nanosize particles is disclosed in this invention. The chitosan membrane comprises a chitosan membrane and nano-inorganic particles. The nano-inorganic particles are uniformly embedded in the chitosan membrane. This invention also discloses a method for forming a chitosan membrane containing nanosize particles. The method comprises a grinding process, a dissolution process, a dispersion process, a blending process, an impurity removing process, a degassing process, a casting process, and a fixation process.


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