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Raymond P Johnston, Matthew T Scholz, Steven B Heinecke, Charles A Hentzen: Medical article having fluid control film. 3M Innovative Properties Company, July 16, 2002: US06420622 (195 worldwide citation)

The present invention provides medical articles having a fluid control film component which comprise a sheet having microchannels that permit directional flow of a liquid. Articles incorporating the fluid control film include: wound dressings, wound drains, tympanostomy fluid wicks, intravenous acce ...


2
James G Bentsen, Raymond P Johnston, Rolf W Biernath, Richard J Poirier: Methods of manufacturing microfluidic articles. 3M Innovative Properties Company, Christopher D Gram, Paul W Busse, James A Rogers, April 23, 2002: US06375871 (114 worldwide citation)

A process for preparing a molded article that includes: (a) bringing a moldable material and an open molding tool comprising a molding surface into line contact with each other to imprint a microfluid processing architecture pattern onto the moldable material and thereby form a molded article; and ( ...


3
James G Bentsen, Raymond P Johnston, Rolf W Biernath, Richard J Poirier, Donald J McClure: Microfluidic articles. 3M Innovative Properties Company, Christopher D Gram, Robert W Sprague, July 13, 2004: US06761962 (111 worldwide citation)

The present invention provides various microfluid processing architecture-bearing, polymeric articles. The articles may include microelectronic, microoptical or microchemical elements. The article also may include inorganic thin film coatings.


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Lee A Pavelka, David M Burns, Raymond P Johnston, Edward S Shinbach: Articles exhibiting durable fluorescence with an ultraviolet screening layer. Minnesota Mining and Manufacturing Company, Gary L Griswold, Walter N Kirn, Robert H Jordan, February 7, 1995: US05387458 (65 worldwide citation)

Article comprising an ultraviolet screening screen layer and a color layer containing a defined daylight fluorescent dye dissolved in a defined polymeric matrix. The article exhibits durable fluorescence and resistance to degradation from exposure to sunlight. If desired, the article is retroreflect ...


6
Raymond P Johnston, Matthew T Scholz, Steven B Heinecke, Charles A Hentzen: Drug delivery dressing having fluid control film. 3M Innovative Properties Company, Christopher D Gram, James A Rogers, Robert W Sprague, March 15, 2005: US06867342 (62 worldwide citation)

The present invention provides drug delivery dressings having a fluid control film component that comprise a sheet having microchannels that permit directional flow of a liquid.


7
Thomas I Insley, Raymond P Johnston: Microchanneled active fluid heat exchanger method. 3M Innovative Properties Company, Karl G Hanson, James A Rogers, Christopher D Gram, May 7, 2002: US06381846 (61 worldwide citation)

A heat exchanger utilizing active fluid transport of a heat transfer fluid is manufactured with multiple discrete flow passages provided by a simple but versatile construction. The microstructured channels are replicated onto a film layer which is utilized in the fluid transfer heat exchanger. The s ...


8
Thomas I Insley, Raymond P Johnston: Fluid guide device having an open structure surface for attachement to a fluid transport source. 3M Innovative Properties Company, James A Rogers, June 27, 2000: US06080243 (57 worldwide citation)

A fluid guide device that can evenly and effectively distribute the potential from a fluid transport source over an area substantially larger than the opening of a source conduit. The fluid guide device includes a first major surface having a structured surface that includes a plurality of flow chan ...


9
Raymond P Johnston, Leigh E Wood, Allen L Noreen: Liquid management member for absorbent articles. Minnesota Mining and Manufacturing Company, Gary L Griswold, Walter N Kirn, Robert H Jordan, May 7, 1996: US05514120 (55 worldwide citation)

Absorbent article comprising an optional liquid permeable topsheet, an optional, sometimes liquid impermeable, backsheet, an absorbent core disposed between the topsheet and backsheet, if any, and at least one liquid management member which comprises a film having at least one microstructure-bearing ...


10
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 (41 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 ...



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