Inventor
ZHANG HUI JOYCE
US5 patents
⚠️ This page may combine multiple inventors who share the name “ZHANG HUI JOYCE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MI LLC
3 patentsUS11149180B2Oct 19, 2021
High density brine with low crystallization temperature
MI LLC1 citations60
US10337289B2Jul 2, 2019
High temperature viscosifier for insulating packer fluids
MI LLC1 citations59
US10273400B2Apr 30, 2019
Colloidal silica and polymer system for insulating packer fluids
MI LLC1 citations59