Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Separation of ethylene-containing hydrocarbon mixtures by low temperature rectification

Separation of ethylene-containing hydrocarbon mixtures by low temperature rectification

US Patent 4218229 · Granted Aug 19, 1980

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method for the non-destructive testing of workpiece surfaces2017
Apparatus and method for communication and translation for selected one of a var1999
Method of decoking a cracking plant1983
Manually operated metering valve for a fuel control1982
Fuel control for gas turbine engine1981