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.

Patent No.:

US 7678545 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 16, 2010

Filed:

Jul. 10, 2006
Applicants:

Nicholas Abbott, Madison, WI (US);

Nathan A. Lockwood, Minneapolis, MN (US);

Katie D. Cadwell, Madison, WI (US);

Frank Caruso, Melbourne, AU;

Elvira Tjipto, Melbourne, AU;

Inventors:

Nicholas Abbott, Madison, WI (US);

Nathan A. Lockwood, Minneapolis, MN (US);

Katie D. Cadwell, Madison, WI (US);

Frank Caruso, Melbourne, AU;

Elvira Tjipto, Melbourne, AU;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 33/53 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention is directed to methods for providing a polyelectrolyte multilayer film at a liquid-liquid interface. Such methods include steps of sequentially-depositing layers of cationic and anionic polyelectrolytes at a liquid-liquid interface that is formed between immiscible first and second liquids whereby a polyelectrolyte multilayer film is provided at the liquid-liquid interface. In certain preferred embodiments, the first liquid is an aqueous solution and the second liquid is a liquid crystal. In alternative embodiments, the first liquid is an aqueous solution and the second liquid is an oil. The invention further encompasses polyelectrolyte multilayer films provided by the disclosed methods as well as applications utilizing such materials.


Find Patent Forward Citations

Abbott, Nicholas. (2010). Polyelectrolyte multilayer films at liquid-liquid interfaces and methods for providing and using same (U.S. Patent No. 7678545). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7678545

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