Patents/Inventors

Dennis Parrish

Sandston, VAUS3 patents

4 Patents

US124669852025
Organophilic Clays and Drilling Fluids Containing Them
Evonik Corporation
0 cites
US117463072023
Biodegradable Cleaning Composition
Evonik Operations GmbH
0 cites
US116346212023
Organophilic Clays and Drilling Fluids Containing Them
Evonik Corporation
0 cites
US115915472023
Biodegradable Cleaning Composition
Evonik Operations GmbH
0 cites