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:
May. 10, 2005
Filed:
Oct. 16, 2000
Takeshi Nishimura, Himeji, JP;
Yukihiro Matsumoto, Kobe, JP;
Sei Nakahara, Himeji, JP;
Osamu Dodo, Ibo-gun, JP;
Takeshi Nishimura, Himeji, JP;
Yukihiro Matsumoto, Kobe, JP;
Sei Nakahara, Himeji, JP;
Osamu Dodo, Ibo-gun, JP;
Nippon Shokubai Co. Ltd., Osaka, JP;
Abstract
Provided are a packed column arranged so as to be capable of effectively preventing polymerization of a polymerizable compound such as a (meth)acrylic acid in treating the compound, and a method for treating a polymerizable compound using the packed column. The packed column, which is provided with a packing support plate and is filled with a packing on the packing support plate, is arranged so as to include a packing layer (B) having a greater percentage of voids than that of a packing layer (A), between the packing support plate and the packing layer (A).
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile