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Research Frontiers Inc


REFR: Research Frontiers Inc is engaged in the development and marketing of technology and devices to control the flow of light. The company develops and licenses its patented suspended particle device light-control technology to other companies that manufacture and market the SPD-Smart chemical emulsion, the light-control film made from the chemical emulsion, the light-control panels made by laminating the film, electronics to power end-products incorporating the film, or lamination services for, and the end-products. Its revenue source comes from the licensing of technology.


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  • Patent Title: Light valve films laminated between thin glass and plastic substrates Oct. 20, 2020
  • Patent Title: Control system for spd device and home automation Aug. 27, 2019
  • Patent Title: Laminated glazings with improved moisture protection Nov. 27, 2018
  • Patent Title: Method and device for protecting objects from degradation by light with suspended particle device light valves Aug. 16, 2016
  • Patent Title: Spd films with darker off-state transmittances and lighter on-state transmittances Dec. 30, 2014
  • Patent Title: Spd films and light valve laminates with improved durability Mar. 11, 2014
  • Patent Title: Methods and circuits for distributing power to spd loads May. 08, 2012
  • Patent Title: Spd films and light valves incorporating overcoatings which enhance film adhesion to substrates, have good cohesion and protect against electrical short circuits Apr. 05, 2011
  • Patent Title: Materials and methods for improving properties of spd emulsions and films Dec. 07, 2010
  • Patent Title: Spd light valves incorporating films comprising improved matrix polymers and methods for making such matrix polymers Sep. 07, 2010

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