Preparation and recovery of methacrylic acid and its esters

Patent · Tue Jul 15 00:00:00 EDT 1986

OSTI ID:5398423

Frank, P J; Hite, J R

This patent describes a process for the vapor phase catalytic oxydehydrogenation of isobutyric acid or its esters to form methacrylic acid or its esters wherein the gaseous product is condensed and purified. The improvement described here consists of adding to the gaseous product at or about the point of its condensation from 1 to 6000 ppm of a surfactant material selected from the group consisting of an anionic a cationic and non-ionic surfactant.

• Assignee: Ashland Oil, Inc., Ashland, KY
• Patent Number(s): US 4600795
• OSTI ID: 5398423
• Resource Relation: Patent File Date: Filed date 19 Apr 1982
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
ISOBUTYRIC ACID
DEHYDROGENATION
METHACRYLIC ACID
CHEMICAL PREPARATION
METHACRYLIC ACID ESTERS
CATALYSIS
QUANTITY RATIO
SURFACTANTS
VAPOR CONDENSATION
CARBOXYLIC ACID ESTERS
CARBOXYLIC ACIDS
CHEMICAL REACTIONS
ESTERS
MONOCARBOXYLIC ACIDS
ORGANIC ACIDS
ORGANIC COMPOUNDS
SYNTHESIS
400301* - Organic Chemistry- Chemical & Physicochemical Properties- (-1987)