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, 2016

Filed:

Nov. 16, 2009
Applicants:

Weijia Wen, Kowloon, HK;

Ping Sheng, Sai Wan Ho, HK;

Xiuqing Gong, Kowloon, HK;

Suili Peng, Kowloon, HK;

Inventors:

Weijia Wen, Kowloon, HK;

Ping Sheng, Sai Wan Ho, HK;

Xiuqing Gong, Kowloon, HK;

Suili Peng, Kowloon, HK;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 9/66 (2006.01); A61K 9/50 (2006.01); A61K 31/616 (2006.01); A61K 31/43 (2006.01); A61K 31/60 (2006.01); A61K 9/00 (2006.01); A61K 9/51 (2006.01);
U.S. Cl.
CPC ...
A61K 31/60 (2013.01); A61K 9/0009 (2013.01); A61K 9/5031 (2013.01); A61K 9/5036 (2013.01); A61K 9/5138 (2013.01); A61K 31/43 (2013.01); A61K 31/616 (2013.01);
Abstract

The microspheres have many possible applications including smart drug delivery, breaking and damper devices. In one arrangement, a microsphere comprises a shelland a core. The core comprises a liquid, which may be a drug, while the shell comprises magnetic particles. The microsphere is deformable in response to application of an external magnetic field. Also disclose is an arrangement in which a microsphere has a magnetic core and a PDMS shell.


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