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.:
Date of Patent:
Sep. 12, 2006
Filed:
Jun. 30, 2000
Helene Derand, Taby, SE;
Per Andersson, Uppsala, SE;
Anders Larsson, Bromma, SE;
Gyros Patent AB, Uppsala, SE;
Abstract
The invention relates to a method of controlling flow of liquids in a micro channel structure. It comprises providing in said micro channel structure plugs () of polymer material in said structure, said polymer material in a first state blocking said channel from liquid flow, and in a second state providing a free path-way () for liquid flow. Energy is selectively applied so as to cause said polymer to enter a desired one of said first or second states. It also relates to a micro channel valve system, comprising a plurality of such plugs (). Additionally it comprises a chemical reactor, comprising a plurality of micro chambers interconnected by micro channels, having a valve system according to the invention.