Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Recovering vanadium oxides from petroleum coke by melting

Recovering vanadium oxides from petroleum coke by melting

US Patent 6235253 · Granted May 22, 2001

Estimated economic value: $10,762,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Ultra purified pitch process2023
Pitch process2022
Seeded mesophase pitch process2021
Pitch process2020
Pitch process2020
Turbulent mesophase pitch process and products2016
Single stage pitch process and product2015
Fischer-tropsch reactions using heat transfer tubes with a catalyst layer on the2012
Continuous oxidation and distillation process of heavier hydrocarbon materials2008
Pitch fractionation and high softening point pitch2008
Noah's pitch process2008
Salt bath refining2007