Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Process and catalyst for the hydrogenation of coal

Process and catalyst for the hydrogenation of coal

US Patent 4515678 · Granted May 7, 1985

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Stereomicroscope or additional element for a stereomicroscope2009
Process and apparatus for the preparation of ether1989
Drying of gases with multi-layer adsorption beds1987
Welding plastic tube lining1982
Special conditions for the hydrogenation of heavy hydrocarbons1982
Thermal cracking of heavy fraction of hydrocarbon hydrogenate1982
Thermal cracking with post hydrogenation and recycle of heavy fractions1981
Thermal cracking of heavy fraction of hydrocarbon hydrogenate1981
Use of vacuum residue in thermal cracking1981
Method of processing a high-boiling fraction obtained in the cracking of hydroca1981
Unsupported catalysts in the production of olefins1980
Two-stage production of olefins utilizing a faujasite structure zeolite in hydro1980