Preparation of (METH) acrylic acid and (METH) acrylic esters

Details Preparation of (METH) acrylic acid and (METH) acrylic esters Preparation of (METH) acrylic acid and (METH) acrylic esters

2006-10-10

2006-10-10

Oh, Taylor Victor (Department: 1625)

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

C560S218000, C562S600000, C203S008000

Reexamination Certificate

active

07119224

ABSTRACT:
A process for preparing and/or working up mixtures by (meth)acrylic acid and/or (meth)acrylic ester in the presence of at least one polymerization inhibitor and at least one oxygenous gas, which comprises metering in at least part of the oxygenous gas at an exit rate of at least 50 mm/s.

REFERENCES:
patent: 4263448 (1981-04-01), Leacock
patent: 1 035 102 (2000-09-01), None

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