DH

David L. Holcomb

NA Nissan Chemical America: 2 patents #3 of 7Top 45%
📍 Denver, CO: #101 of 710 inventorsTop 15%
🗺 Colorado: #744 of 5,114 inventorsTop 15%
Overall (2022): #167,200 of 548,613Top 35%
2
Patents 2022

Issued Patents 2022

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11332659 Enhanced oil recovery using treatment fluids comprising colloidal silica with a proppant John Edmond Southwell, Yusra Khan Ahmad 2022-05-17
11274244 Using brine resistant silicon dioxide nanoparticle dispersions to improve oil recovery Yusra Khan Ahmad, John Edmond Southwell 2022-03-15