Method of making acrylic acid from hydroxypropionic acid

Methods for making acrylic acid, acrylic acid derivatives, or mixtures thereof by contacting a stream containing hydroxypropionic acid, hydroxypropionic acid derivatives, or mixtures thereof with either an active catalyst containing an amorphous and partially-dehydrated phosphate salt or a precursor...

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Bibliographic Details
Main Authors Collias, Dimitris Ioannis, Velasquez, Juan Esteban, Godlewski, Jane Ellen
Format Patent
LanguageEnglish
Published 26.11.2019
Subjects
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
DIAGNOSIS
ELECTROTHERAPY
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MAGNETOTHERAPY
MEDICAL OR VETERINARY SCIENCE
METALLURGY
ORGANIC CHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
RADIATION THERAPY
SURGERY
THEIR RELEVANT APPARATUS
TRANSPORTING
ULTRASOUND THERAPY
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Summary:Methods for making acrylic acid, acrylic acid derivatives, or mixtures thereof by contacting a stream containing hydroxypropionic acid, hydroxypropionic acid derivatives, or mixtures thereof with either an active catalyst containing an amorphous and partially-dehydrated phosphate salt or a precursor catalyst containing a crystalline phosphate salt in a reactor with a low corrosion rate are provided.
Bibliography:Application Number: US201815861704