The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 22, 2008
Filed:
Jun. 02, 2004
Naoki Serata, Himeji, JP;
Kouji Ueno, Himeji, JP;
Harunori Hirao, Himeji, JP;
Takeshi Yokogoshiya, Himeji, JP;
Naoki Serata, Himeji, JP;
Kouji Ueno, Himeji, JP;
Harunori Hirao, Himeji, JP;
Takeshi Yokogoshiya, Himeji, JP;
Nippon Shokubai Co., Ltd., Osaka, JP;
Abstract
A method for the production of acrylic acid of high concentration by absorbing acrylic acid with high absorption ratio of acrylic acid is provided. In a method for producing acrylic acid by a procedure comprising a step of catalytic gas phase oxidation reaction and a step of absorbing the acrylic acid-containing gas, while a low boiling substance-containing solution is introduced into the absorption column via a portion different from the top of the column.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile