Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Process for purifying removal of acrylic acid, methacrylic acid N-vinylpyrrolidone or P-xylene crystals from their suspension in mother liquor

Process for purifying removal of acrylic acid, methacrylic acid N-vinylpyrrolidone or P-xylene crystals from their suspension in mother liquor

US Patent 7947845 · Granted May 24, 2011

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Column for thermal treatment of a mixture of compounds having a tendency to poly2025
Process for making a mixed metal oxide2022
Method for inhibiting unwanted radical polymerisation of acrylic acid present in2022
Multimetal oxide compositions comprising Mo, Bi, Fe and Cu2020
Multimetal oxide compositions comprising Mo, Bi, Fe and Cu2020
Column for thermal treatment of fluid mixtures2019
Chimney tray for a column for thermal treatment of fluid mixtures2019
Fluid filter with replaceable filter insert2019
Column for thermal treatment of fluid mixtures2019
Process and plant for recovering acrylic acid2019
Reactor system and use thereof2019
Crossflow tray for a mass transfer column, mass transfer column and use of the m2019