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Dithiophosphoric Acid Monomers for Polymer Synthesis and Functionalization
This technology is a new polymer chemistry composed of –SH-P=S-function groups which can be made from elemental sulfur, white phosphorus, and cheap alcohols, providing a route for non-petroleum-based polymers from widely available raw materials. Functionalized polymers of a reaction product of a polymer including one or more olefins and a dithiophosphoric...
Published: 4/3/2023
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Inventor(s): Dong-Chul Pyun, Jianhua Bao, Jon Njardarson
Keywords(s):
Category(s): Technology Classifications > Energy, Cleantech & Environmental > Petrochemical, Technology Classifications > Materials > Chemicals, Technology Classifications > Materials > Polymers
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Synthesis of New Polysulfide Materials derived from Sulfur Monochloride with for Optical Material Applications
This invention describes a range of low-cost polymer compositions and method of making for high index, high Abbe number consumer optics. This process improves upon the synthesis of thermoplastic and thermoset polymers, achieving both high molecular weight in linear thermoplastics and highly crosslinked thermosets. It was also found that these materials...
Published: 4/3/2023
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Inventor(s): Dong-Chul Pyun, Robert Norwood, Jon Njardarson, Kyung-Seok Kang
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Photonics, Technology Classifications > Imaging & Optics > Lens & System Design, Technology Classifications > Imaging & Optics > Materials & Fabrication > Optical, EO & MO, Technology Classifications > Materials > Chemicals, Technology Classifications > Materials > Polymers
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Functionalization of Soluble Guayule Resins using Functional Dithiophosphoric Acids
Functionalized polymers of a reaction product of a polymer including one or more olefins and a dithiophosphoric acid compound can provide a wide range of olefinic polymers in bulk-neat conditions or in solution via eletrophilic addition processes. Such new compositions provide a wide range of new functional polymers via an inexpensive polymer production...
Published: 5/10/2023
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Inventor(s): Dong-Chul Pyun, Jon Njardarson
Keywords(s):
Category(s): Technology Classifications, Technology Classifications > Energy, Cleantech & Environmental > Low Carbon, Technology Classifications > Materials > Chemicals, Technology Classifications > Materials > Polymers, Technology Classifications > Materials > Processing, Technology Classifications > Materials > Biomaterials
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Functionalization of Soluble Polydienes and Polyisoprenes using Dithiophosphoric Acids
Researchers at the University of Arizona have found that functionalized polymers of a reaction product of a polymer including one or more olefins and a dithiophosphoric acid compound can provide a wide range of olefinic polymers in bulk-neat conditions or in solution via eletrophilic addition processes. Suitable olefins include polybutadienes, polyisoprenes,...
Published: 4/3/2023
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Inventor(s): Dong-Chul Pyun, Jon Njardarson
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Materials & Fabrication > Optical, EO & MO, Technology Classifications > Materials > Chemicals, Technology Classifications > Materials > Coatings, Technology Classifications > Materials > Polymers
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Low Cost Flame Retardant Polymers from Low Cost Olefinic Comonomers
This technology is an approach to using sulfenyl-halide polymerization with olefinic comonomers to prepare a new class of intrinsically flame-retardant polymers for the production of a wide range of thermoplastics, thermoplastic elastomers, and thermoset materials. Materials prepared with this technology have afforded a V0 UL-94V flame retardancy rating...
Published: 4/3/2023
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Inventor(s): Dong-Chul Pyun, Robert Norwood, Jon Njardarson, Richard Glass, Taeheon Lee, Chisom Olikagu, Kyung-Seok Kang
Keywords(s):
Category(s): Technology Classifications > Materials > Chemicals, Technology Classifications > Materials > Coatings, Technology Classifications > Materials > Polymers
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Consumer Optics with Low Cost Polymers
This invention describes a range of low-cost polymer compositions and method of making for high index, high Abbie number consumer optics.
Background:
The consumer eyewear global market estimated at greater than $100 billion. Current optical polymer technology revolves around well-established thermoplastic or thermoset polymers, including polycarbonates...
Published: 4/3/2023
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Inventor(s): Dong-Chul Pyun, Robert Norwood, Jon Njardarson, Richard Glass, Taeheon Lee, Chisom Olikagu, Kyung-Seok Kang
Keywords(s):
Category(s): Technology Classifications > Materials > Chemicals, Technology Classifications > Materials > Polymers, Technology Classifications > Imaging & Optics > Lens & System Design, Technology Classifications > Imaging & Optics > Ophthalmology, Technology Classifications > Imaging & Optics > Optical Fab / Metrology
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Novel High Refractive Index and Abbie Value Polymers for Advanced Lower Cost Optical Eyewear
Copolymerization of chalcogenide halides with widely available unsaturated monomers is used to create advanced polymer materials for consumer plastic optics, consumer eye wear, and smart phone plastic optics.
Background:
Sulfenyl chlorides are a widely known but largely ignored class of sulfur compounds that are highly reactive toward nucleophiles...
Published: 4/3/2023
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Inventor(s): Dong-Chul Pyun, Robert Norwood, Jon Njardarson, Richard Glass, Taeheon Lee, Chisom Olikagu, Kyle Carothers
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Photonics, Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Lens & System Design, Technology Classifications > Imaging & Optics > Materials & Fabrication, Technology Classifications > Imaging & Optics > Materials & Fabrication > Optical, EO & MO, Technology Classifications > Imaging & Optics > Ophthalmology, Technology Classifications > Materials > Polymers
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Novel Small Molecule Compounds with Neuroprotective Potential in ALS and Related Neurodegenerative Diseases
This invention comprises a series of novel small molecule compounds developed at the University of Arizona and their method of use for the treatment of locomotor dysfunction associated with Amyotrophic Lateral Sclerosis (ALS) and other diseases associated with proteinopathy of a transactive response (TAR) DNA binding protein, TDP-43. Testing in a previously...
Published: 4/3/2023
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Inventor(s): Daniela Zarnescu, Jon Njardarson, Isaac Chogii, David Smith, Edon Vitaku, Rachel Allen
Keywords(s):
Category(s): Technology Classifications > Healthcare Portfolios > Neurology > CNS & Neurosciences, Technology Classifications > Life Sciences > Therapeutics
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New Class of Mosquitocide
This invention is a small molecule mosquitocide and method of mosquito control is based on selectively inhibiting the blood feeding of female mosquitoes. The compound inhibits nutrient processing and is lethal as shown in adult mosquito assays.
Background:
Numerous diseases are spread by mosquitoes, which develop resistance to chemical pesticides...
Published: 4/3/2023
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Inventor(s): Jon Njardarson, Jun Isoe, Roger Miesfeld
Keywords(s): biology, molecular
Category(s): Technology Classifications > Veterinary Medicine
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Organic Chemistry Reaction Professional
This invention is an organic chemistry mobile app designed to improve students’ understanding and mastery of first year undergraduate organic chemistry reactions and their mechanisms.
Background:
In undergraduate organic chemistry, a student’s success hinges on a deep understanding of chemical reaction types and their mechanisms. For...
Published: 4/3/2023
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Inventor(s): Jon Njardarson
Keywords(s):
Category(s): Technology Classifications > Software & Information Technology > Education & Training, Technology Classifications > Software & Information Technology > Mobile Application
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