Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Efficiency addition of ammonia to petroleum fractionation units

Efficiency addition of ammonia to petroleum fractionation units

US Patent 4457837 · Granted Jul 3, 1984

Estimated economic value: $14,289,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Process for generating superheated steam using retorted solids1985
Method and apparatus for restraining lifting of radial reactor centerpipes1984
Method and apparatus for level loading of vessels using catalyst oriented packin1984
Method and apparatus for supporting radial reactor centerpipes to accommodate th1983
Method and apparatus for uniform flow through radial reactor centerpipes1983
Fractionation apparatus providing improved heat recovery from bottom stream1981