Research Frontiers Licenses DuPont to Make SPD-Smart Architectural and Automotive Smart Windows, and Emulsion and Light-Control Film

WOODBURY, N.Y.--April 14, 2004--Research Frontiers Incorporated has granted DuPont a non-exclusive license to manufacture and sell SPD-Smart(TM) architectural and automotive window products worldwide (except Korea). The license provides for a 10% royalty to Research Frontiers on sales of licensed products.

In addition, Research Frontiers has granted DuPont a worldwide non-exclusive license to manufacture and sell SPD-Smart(TM) emulsion and light-control film made from such emulsion to Research Frontiers licensees for use in a variety of SPD-Smart glass and plastic products. Other terms of the license and DuPont's specific product development plans have not been disclosed at this time.

In a window, sunroof, or other product using VaryFast(TM) SPD-Smart(TM) technology, the user can manually or automatically "tune" the amount of light, glare and heat coming into a home, office, or vehicle. Additional information about SPD-Smart windows and other products can be found at www.SmartGlass.com.

About DuPont

DuPont is a science company. Founded in 1802, DuPont puts science to work by solving problems and creating solutions that make people's lives better, safer and easier. Operating in more than 70 countries, the company offers a wide range of products and services to markets including agriculture, nutrition, electronics, communications, safety and protection, home and construction, transportation and apparel. With 2003 revenues of $27 billion, DuPont employs approximately 78,000 people worldwide. Additional information about DuPont can be found on the Internet at www.dupont.com.

About SPD Technology and Research Frontiers Incorporated

Research Frontiers Incorporated develops and licenses suspended particle device (SPD) technology used in VaryFast(TM) SPD-Smart(TM) light-control glass and plastic products. SPD technology, made possible by a flexible light-control film invented by Research Frontiers, allows the user to instantly and precisely control the shading of glass/plastic manually or automatically. SPD technology has numerous product applications, including: SPD-Smart(TM) windows, sunshades, skylights and interior partitions for homes and buildings; automotive windows, sunroofs, sun-visors, sunshades, rear-view mirrors, instrument panels and navigation systems; aircraft windows; eyewear products; and flat panel displays for electronic products.

SPD-Smart film technology was recently awarded a "Best of What's New Award" from Popular Science magazine for home technology and was also named by the Society of Automotive Engineers' Aerospace Engineering magazine as one of the top new technologies for 2002. SPD technology is covered by over 400 patents and patent applications held by RFI worldwide. Currently 33 companies are licensed to use Research Frontiers' patented SPD light-control technology in emulsions, film, or end products. Information about Research Frontiers and its licensees can be found at www.SmartGlass.com.