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:
Nov. 08, 2016
Filed:
Mar. 06, 2012
Yoshikazu Kawai, Takasago, JP;
Yasuyuki Suzuki, Takasago, JP;
Kenichiro Morio, Takasago, JP;
Masaru Hirano, Takasago, JP;
Yoshikazu Kawai, Takasago, JP;
Yasuyuki Suzuki, Takasago, JP;
Kenichiro Morio, Takasago, JP;
Masaru Hirano, Takasago, JP;
KANEKA CORPORATION, Osaka, JP;
Abstract
The objective of the present invention is to provide a convenient method for producing porous cellulose beads having high mechanical strength without using an auxiliary material which is highly toxic and corrosive and without a cumbersome and industrially adverse step. The method for producing porous cellulose beads according to the present invention is characterized in comprising the steps of mixing a cold alkaline aqueous solution and cellulose to prepare a cellulose dispersion and bringing the cellulose dispersion into contact with a coagulating solvent.