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:
Nov. 13, 2007
Filed:
May. 23, 2005
Ernest F. Hasselbrink, Londonderry, NH (US);
Mark Libardoni, Ann Arbor, MI (US);
Kristine Stewart, Legal Representative, Ann Arbor, MI (US);
J. Hunter Waite, Dexter, MI (US);
Bruce P. Block, Ann Arbor, MI (US);
Ernest F. Hasselbrink, Londonderry, NH (US);
Mark Libardoni, Ann Arbor, MI (US);
Kristine Stewart, legal representative, Ann Arbor, MI (US);
J. Hunter Waite, Dexter, MI (US);
Bruce P. Block, Ann Arbor, MI (US);
The Regents of the University of Michigan, Ann Arbor, MI (US);
Abstract
A thermal modulator device for gas chromatography and associated methods. The thermal modulator device includes a recirculating fluid cooling member, an electrically conductive capillary in direct thermal contact with the cooling member, and a power supply electrically coupled to the capillary and operable for controlled resistive heating of the capillary. The capillary can include more than one separate thermally modulated sections.