1
Raymond P Johnston, Patrick R Fleming, Kurt J Halverson, James G Bentsen, Gary E Krejcarek, Koichi Sano: Detection article having fluid control film. 3M Innovative Properties Company, Christopher D Gram, May 29, 2007: US07223364 (50 worldwide citation)

The present invention provides a detection article including at least one fluid control film layer having at least one microstructured major surface with a plurality of microchannels therein. The microchannels are configured for uninterrupted fluid flow of a fluid sample throughout the article. The ...


2
James G Bentsen, Shih Hung Chou, Elisa M Cross, Kurt J Halverson, John E Trend, Cary A Kipke, Masao Yafuso, Sanjay L Patil: Cation-sensing composite structure and compounds for use therein. Minnesota Mining and Manufacturing Company, F Andrew Ubel, September 28, 1999: US05958782 (30 worldwide citation)

A fluorescent ionophoric compound is disclosed that includes a complexing moiety, such as a cryptand or crown-ether portion, and a fluorescing moiety such as a coumarin portion. The coumarin portion may be substituted at the 3-position with an electron withdrawing or polarizable group such as a subs ...


3
Sanjay L Patil, Daniel C Duan, Kurt J Halverson, Pierre H LePere: Heat-relaxable substrates and arrays. 3M Innovative Properties Company, Christopher D Gram, Paul W Busse, Robert W Sprague, November 19, 2002: US06482638 (23 worldwide citation)

Articles, such as high density arrays, on heat-relaxable substrates that can be relaxed by exposure to thermal energy are disclosed, along with methods of manufacturing the arrays, and systems/apparatus for relaxing arrays using electromagnetic energy. The arrays may themselves include electromagnet ...


4
Kurt J Halverson, Sanjay L Patil, Jerald K Rasmussen: High density, miniaturized arrays and methods of manufacturing same. 3M Innovative Properties Company, Christopher D Gram, James A Rogers, Robert W Sprague, June 3, 2003: US06573338 (21 worldwide citation)

High-density, miniaturized arrays including high surface areas. Arrays described include substrate with a coating of linking agents, as well as arrays with reactants affixed to the substrates. Methods of manufacturing high-density arrays of reactants. The methods include the use of oriented, heat sh ...


5
Carl A Adams, Kurt J Halverson, Gary E Krejcarek: Culture medium and device using ballasted pH indicators for detection and enumeration of microorganisms. 3M Innovative Properties Company, John A Burtis, May 21, 2002: US06391626 (21 worldwide citation)

Media, devices and methods using ballasted pH indicators to detect and enumerate bacterial colonies in a sample are described. The ballasted pH indicators limit the diffusion of the indicator or fluorescent indicator zones associated with the growing microbial colonies in the medium. In addition, th ...


6
Kurt J Halverson, Sanjay L Patil, Jerald K Rasmussen: High density, miniaturized arrays and methods of manufacturing same. 3M Innovative Properties Company, Nancy M Lambert, March 13, 2007: US07189842 (19 worldwide citation)

High-density, miniaturized arrays including high surface areas. Arrays described include substrate with a coating of linking agents, as well as arrays with reactants affixed to the substrates. Methods of manufacturing high-density arrays of reactants. The methods include the use of oriented, heat sh ...


7
Sanjay L Patil, Kurt J Halverson, Robin E Wright: Arrays with mask layers. 3M Innovative Properties Company, May 28, 2002: US06395483 (19 worldwide citation)

The present invention provides high-density arrays including mask layers and methods of manufacturing the same. The arrays are formed on a polymeric substrate and include a mask layer. Various linking agents, linking agent coatings, and/or reactants may be provided on the mask layer. Where present, ...


8
Kurt J Halverson, Ai Ping Wei, Jean Qiu, Clyde D Calhoun, James G Berg, James G Bentsen, Raymond P Johnston: Method and devices for detecting and enumerating microorganisms. 3M Innovative Properties Company, Nancy M Lambert, February 24, 2004: US06696286 (18 worldwide citation)

A method for detecting a microorganism in a test sample is described. The method involves distributing microvolumes of a sample to a plurality of microcompartments of a culture device, incubating for a time sufficient to permit at least one cell division cycle of the microorganism, then detecting th ...


9
Louis C Haddad, Moses M David, Kurt J Halverson, Sanjay L Patil, Jerald K Rasmussen, James I Hembre: Array comprising diamond-like glass film. 3M Innovative Properties Company, Christopher D Gram, Robert W Sprague, April 19, 2005: US06881538 (15 worldwide citation)

Materials for use in miniaturized arrays, the arrays, and methods of manufacturing. Materials for making arrays described include a substrate with a silicon-containing layer, optionally with linking agents and reactants.


10
Kurt J Halverson, Stephen C P Joseph, Matthew T Scholz: System and method for preparing samples. 3M Innovative Properties Company, Nicole J Einerson, September 25, 2012: US08272255 (13 worldwide citation)

A system and method for preparing samples for analyte testing. The sample preparation system can include a freestanding receptacle. The method can include providing a liquid composition comprising a source and a diluent, and positioning the liquid composition in a reservoir defined by the freestandi ...