Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Modified etherified phenol/aldehyde condensation products and their use for breaking petroleum emulsions

Modified etherified phenol/aldehyde condensation products and their use for breaking petroleum emulsions

US Patent 4465817 · Granted Aug 14, 1984

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method for operating a driving dynamics system facility of a motor vehicle while2025
Method for calibrating a THz measuring apparatus, THz measuring method and corre2025
Suction conveying apparatus and method for suction conveying of bulk material2024
THz measuring device and THz measuring method for determining a layer thickness 2024
Vibration feeder device and method for vibration feeding of bulk matertal2023
Lightweight construciton of a diesel piston2018
Piston having oil supply channel for hub bore holes2014
Environmentally friendly diesel fuel2000
Use of acetal-containing mixtures1998
Use of acetals1998
Use of a water-soluble copolymers based on acrylamidoalkylenesulfonic acid as a 1997
Water-soluble copolymers useful in drilling fluids1996