Search Results - chemical

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Apparatus and Method for continuous Production of Semiconductor Nanoparticles

A continuous-flow injection reactor and a method for continuous material synthesis, including synthesis of nanoparticles Background Nanocrystalline semiconductors have attracted a considerable amount of attention due to their unique physiochemical properties. Recent advances in nanocrystals are having a dramatic impact on the development of next...

Published: 10/15/2024 | Inventor(s): Chih-hung Chang, Hyungdae Jin, Yu-Wei Su

Keywords(s): Advanced Technology and Manufacturing Inst. (ATAMI), Chemicals / Chemical Engineering, Electrical & Computer Engineering, Nanotechnology

Category(s): Chemical, Chemistry, Engineering, Nanoscience & Microtechnologies, Device, Materials Science, Physical Science

Sunscreen Compounds and Formulations

Meadowfoam derived sunscreen compounds that reduce UVB-induced DNA damage Background Chronic skin exposure to solar ultraviolet radiation (UVR) leads to accumulated DNA damage resulting in skin aging and the possibility of cancer. To prevent this, sunscreens are formulated with additives that reflect or absorb UV wavelengths that are incident on...

Published: 5/30/2024 | Inventor(s): Gitali Indra, Jan Stevens, Arup Indra, Evan Carpenter

Keywords(s):

Category(s): Biological Materials, Chemical

Improved Thin Film

Background Thin film deposition of metal oxide materials from aqueous solution is challenged by the solubility and gelling behavior of precursors. For example, some metal cations are poorly soluble at neutral pH, but added acid or base is detrimental to substrate stability and film adherence. In addition, soluble salts of metal cations tend to crystallize...

Published: 6/23/2023 | Inventor(s): May Nyman, Dylan Sures, Nicolas Martin, Tasnim Rahman

Keywords(s):

Category(s): Chemistry, Chemical, Materials Science, Engineering

Process for Recycling PVC to HDPE

Background Approximately 40 million tons of polyvinyl chloride (PVC) are produced annually, making PVC one of the most widely produced synthetic plastic polymers. Waste materials that contain PVC are extremely difficult to recycle mechanically. Thermochemical methods such as pyrolysis are also undesirable because of hydrochloric acid and chlorinated...

Published: 6/23/2023 | Inventor(s): Konstantinos Goulas, Scott Svadlenak

Keywords(s):

Category(s): Chemical, Chemistry, Materials Science, Sustainability & Cleantechnologies

Substituted Phenols and Benzenes for Pharmaceuticals, Agrochemicals and Synthetic Materials

Technology Description This technology licensing opportunity is for novel phenol and benzene compounds with any number of substituents and complete positional selectivity. Synthesis of the compounds is achieved by a new synthetic method. The method provides a one-step conversion of readily available starting materials to give phenols with complete...

Published: 5/23/2023 | Inventor(s): Chris Beaudry, Xiaojie Zhang

Keywords(s): agrochemical, benzenes, chemistry, medicinal, organic, pharmaceuticals, phenols, polymer, substituted, synthesis

Category(s): Agricultural, Chemical, Therapeutics

Method of Producing Oleofurans

Technology Description This technology is a method for making oleofurans which can be derived from biomass and used as precursors for high performance oleofuran-based surfactants. This method minimizes or eliminates the use of toxic and/or expensive reagents, such as trifluoroacetic acid, and produces a small number of bi-products. This process produces...

Published: 6/23/2023 | Inventor(s): Nicholas Gadinas, Konstantinos Goulas, Kyle Reem

Keywords(s): biorenewable surfacant, detergents, green chemistry, high performance detergents, oleofuran, sulfonate detergents

Category(s): Chemical, Engineering, Materials Science, Sustainability & Cleantechnologies

In-Situ Bioremediation with Slow Release Co-metabolism Substrates

Background of Invention A variety of highly toxic contaminants of concern persist in soils and groundwater at industrial sites across the country. Treatment, if even feasible, is often very expensive and time consuming. In-situ bioremediation of multiple contaminants with slow release cometabolism allows is attractive, but faces challenges of substrate...

Published: 8/3/2023 | Inventor(s): Mitchell Rasmussen, Lewis Semprini, Michael Hyman

Keywords(s): Bacteria, Bioremediation

Category(s): Biological Materials, Chemical, Engineering, Materials Science, Sustainability & Cleantechnologies

Thermally Actuated Freshwater Recovery System for Fracking Wastewater

Technology Description This technology, a product of Oregon State University research, details a device for the efficient treatment of wastewater produced from hydraulic fracturing (fracking). Relying upon the properties of water azeotropes and humid gas thermodynamics, this system is capable of treating water with a wide range and high concentration...

Published: 6/8/2023 | Inventor(s): Bahman Abbasi, Hannah O'Hern, Elnaz Nikooei, Xiang Zhang

Keywords(s): wastewater treatment

Category(s): Chemical, Device, Engineering, Physical Science, Sustainability & Cleantechnologies

Aqueous solution precursors for conductive oxide thin films

Technology Description Inventors at OSU have developed a method for creating conductive oxide thin films from aqueous precursor solutions that have high density, low surface roughness, high optical transmissivity, and good electronic properties. This solution processing method of preparing the conductive oxide thin films has a lower energy cost than...

Published: 3/19/2024 | Inventor(s): Cory Perkins, Douglas Keszler

Keywords(s): aqueous chemistry, semiconductor, transparent conductive oxide thin films

Category(s): Chemical, Engineering, Materials Science, Nanoscience & Microtechnologies, Physical Science

Apparatus for Water Desalination

Technology Description This technology is a device that can utilize low-grade heat for efficient desalination with minimal fouling. It achieves zero liquid discharge through its utilization of high velocity gases and gas-solid separators to atomize highly saline water. The technology is modular, portable, and is running-cost competitive with large...

Published: 8/29/2024 | Inventor(s): Bahman Abbasi, Mohammed Khalifa, Xiang Zhang, Deepak Sharma

Keywords(s): Fluidized bed, Thermocompressor, Water desalination

Category(s): Engineering, Chemical, Device, Physical Science, Sustainability & Cleantechnologies

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