Search Results - green+tech

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Nanoparticulate Apatite-Coated-Calcite/Limestone Filter Materials for Removing Contaminants From Contaminated Water Docket# 14-3027-1Fluorosis, a disease caused by chronic excessive ingestion of fluoride (F-) primarily through drinking contaminated groundwater, is a major health challenge particularly in developing countries. Excess fluoride may produce several health problems such as dental fluorosis, skeletal fluorosis and various neurological manifestations. Several... Published: 2/14/2024   |   Inventor(s): Satish Myneni, Peter Jaffe Keywords(s): Chemistry, civil engineering, earth science, green tech, polymer chemistry, wastewater management, water Category(s): Materials

An Efficient, Green Process for Cyanide Decontamination in Water An Efficient, Green Process for Cyanide Decontamination in Water Princeton Docket # 14-2955 This innovation is an improvement to a previously patent pending process for the catalytic generation of chlorine dioxide, Princeton docket # 11-2630/2714, US Patent Publication 2013-0209573, “An Efficient, Catalytic and Scalable Method to Produce Chlorine... Published: 9/13/2022   |   Inventor(s): John (Jay) Groves, Thomas Umile, Christina Chang Keywords(s): catalyst, Chemistry, energy, green tech, wastewater management, water Category(s): Chemistry

A New Material for Solar Energy Conversion Devices A New Material for Solar Energy Conversion Devices Princeton Docket # 13-2905-1 To reduce the cost and improve the efficiency of current solar energy conversion devices, researchers at Princeton University have developed a novel material with improved features. This novel material is fabricated by alloying nickel oxide (NiO) with lithium (Li) in a rocksalt... Published: 3/30/2022   |   Inventor(s): Emily Carter, Nima Alidoust, Maytal Toroker Keywords(s): green tech, Opto-Electronics/ELE ENG, solar cell Category(s): Mechanical/Electrical Engineering, Materials

An Economically Competitive and Environmentally Friendly Process for Producing Synthetic Liquid Fuel from Coal, Biomass and Natural Gas Princeton Docket # 12-2791/2859-1 The challenges to reduce dependence on petroleum as energy sources, coupled with efforts to reduce greenhouse gas (GHG) emissions, are exigent problems faced by the US transportation sector. Researchers at Princeton University have developed a novel hybrid energy process that utilizes coal, biomass, and natural gas... Published: 3/30/2022   |   Inventor(s): Christodoulos Floudas (DECEASED) See Fotini P. Baba, Richard Baliban, Josephine Elia Keywords(s): Chemistry, green tech, process optimization Category(s): Chemistry

Critical Drop Sizes for Manipulating Mist with Flexible Fiber Arrays Critical Drop Sizes for Manipulating Mist with Flexible Fiber Arrays Princeton Docket # 12-2738 Researchers at Princeton University have developed a method to predict an optimum drop size for retention of liquids in a fibrous material. The invention can be applied to choose designs used to create drops to spread on or retain in a given fibrous... Published: 7/29/2024   |   Inventor(s): Camille Duprat, Suzie Protiere, Howard Stone Keywords(s): Chemistry, earth science, green tech, water Category(s): Chemistry, Materials

A Measurement Process for the Determination of the Mixture Averaged Molecular Weight of Complex Mixtures A Novel Measurement Process for the Determination of the Mixture Averaged Molecular Weight of Complex Mixtures Princeton Docket # 12-2788-1 Researchers at Princeton University have developed a new process to determine the mixture averaged (or apparent) molecular weight of complex mixtures, specifically for liquid fuels, including automotive fuels,... Published: 7/8/2024   |   Inventor(s): Frederick Dryer, Sang Hee Won, Stephen Dooley Keywords(s): Chemistry, earth science, energy, green tech Category(s): Chemistry

Inexpensive and Efficient Materials for Solar Energy Conversion Devices Princeton Docket # 12-2790 Solar energy conversion devices include photovoltaics, photoelectrochemical cells and photocatalysts, which convert the energy of sunlight into electricity and/or produce fuels from carbon dioxide and water. Wide-scale implementation of these devices requires the development of less expensive materials with highly specific... Published: 3/30/2022   |   Inventor(s): Emily Carter, Leah Isseroff Keywords(s): green tech, Opto-Electronics/ELE ENG, solar cell Category(s): Mechanical/Electrical Engineering, Materials

Novel Catalysts for Asymmetric Olefin Hydrogenation: Low Cost, Low Toxicity, High Modularity Princeton Docket # 12-2801 Catalytic asymmetric hydrogenation reactions are important to prepare single enantiomer drugs, agrochemicals and fragrances. Present technologies for such reactions involve catalysts based on iridium, rhodium, platinum, and ruthenium. These precious metals are expensive, toxic, have fluctuations in supply and pose environmental... Published: 9/8/2022   |   Inventor(s): Max Friedfeld, Paul Chirik Keywords(s): catalyst, Chemistry, green tech Category(s): Chemistry, Biotechnology/Pharmaceuticals

Inexpensive, Efficient, and Robust Materials for Solar Energy Conversion Devices Princeton Docket # 12-2782 Solar energy conversion devices include photovoltaics, photoelectrochemical cells and photocatalysts, which convert the energy of sunlight into electricity and/or produce fuels from carbon dioxide and water. Wide-scale implementation of these devices requires the development of less expensive materials with highly specific... Published: 3/30/2022   |   Inventor(s): Emily Carter, Dalal Kanan Keywords(s): green tech, solar cell Category(s): Mechanical/Electrical Engineering, Materials

Novel Catalysts for Hydrogenation of Olefins: Low Cost, Low Toxicity, and High Enantioselectivity Princeton Docket #s 12-2718-1, 12-2719-1, 12-2720-1 Homogeneous catalysis with transition metals has transformed the art and science of chemical synthesis. The industrial synthesis of most commodity and fine chemicals, including pharmaceuticals, rely on one or more transition metal catalyzed steps. Traditionally these catalysts are based on precious... Published: 9/8/2022   |   Inventor(s): Paul Chirik, Sebastien Monfette Keywords(s): catalyst, Chemistry, green tech, platform technology Category(s): Chemistry, Biotechnology/Pharmaceuticals