US Patent Issued to INSTITUTO MEXICANO DEL PETROLEO on Oct. 15 for "Hydroxypropyl betaine based zwitterionic geminal liquids, obtaining process and use as wettability modifiers with inhibitory/dispersants properties of asphaltenes" (Mexican Inventors)

Media coverage

• Title	US Patent Issued to INSTITUTO MEXICANO DEL PETROLEO on Oct. 15 for "Hydroxypropyl betaine based zwitterionic geminal liquids, obtaining process and use as wettability modifiers with inhibitory/dispersants properties of asphaltenes" (Mexican Inventors)
  Media name/outlet	US Fed News
  Date	16/10/19
  Persons	Raúl Hernández-Altamirano