August 12, 2013

CAS databases provide millions of journal article references from more than 10,000 major scientific journals worldwide, patent and patent family references from 63 patent authorities around the world, and other reputable web sources.

The following patent record is from the CAplusSM database.


Patent Number: US 8461380
Title: Method for producing acrylic acid
Inventor(s): Aoki, Takanori; Arai, Norihide
Patent Assignee(s): Showa Denko K.K., Japan
Source: PCT Int. Appl., 29pp. CODEN: PIXXD2
Language: Japanese

Disclosed is a method for producing an acrylic acid, by which an acrylic acid can be produced, with low energy consumption, from a glycerin mixt. which contains glycerin and one or more compds. selected from the group consisting of fatty acids, fatty acid salts, glycerides, fatty acid esters, alkali compds., and alkali compd. salts. Specifically disclosed is a method for producing an acrylic acid, which comprises a step of obtaining an acrolein mixt. by dehydrating a glycerin mixt., a step of obtaining an acrylic acid mixt. by oxidizing the acrolein mixt., and a step of collecting an acrylic acid from the acrylic acid mixt.

Please note:  Abstracts and Titles for patent records in CAplus are routinely enhanced to better describe the claimed invention.

 View the full-text here.

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