Howarter, John Alan

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Innovation Title Categories Lead Inventor
New Aromatic Polyamide Reverse Osmosis Membranes to Prevent Biofilm Formation and Irreversible Chlorination
  1. Chemistry and Chemical Analysis
  2. Materials and Manufacturing
Toomey, Michael D
Partial to Full Esterification of Tannic Acid to Produce Fire Retardant Epoxy Formulations
  1. Chemistry and Chemical Analysis
  2. Materials and Manufacturing
Youngblood, Jeffrey P
Cured-in-Place Pipe (CIPP) Emission Capture System
  1. Green Technology
  2. Materials and Manufacturing
Whelton, Andrew J
Tannic Acid as a Functional Crosslinker in Polymer Systems
  1. Materials and Manufacturing
  2. Biotechnology
Youngblood, Jeffrey P
Water Filtration Sand Filter
  1. Green Technology
  2. Mechanical Engineering
Jafvert, Chad Timothy
Safe and Environmentally Friendly Methods of Making Materials More Flame Retardant
  1. Chemical Engineering
  2. Materials and Manufacturing
Youngblood, Jeffrey P


Dr. John Howarter is an Assistant Professor of Materials Engineering and Environmental and Ecological Engineering at Purdue University. Dr. Howarter received his Ph.D. in Materials Engineering from Purdue. He held a NRC Postdoctoral Fellowship in the Polymers Division at the National Institute of Standards and Technology. Dr. Howarter's research focuses on reducing the operational energy footprint of polymer membranes through material design, which includes a focus on material improvements of polyamide membranes used in desalination and functional composite membranes for targeted separation of industrial wastewater.

For additional information, visit Dr. Howarter's Purdue websites: