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:
Feb. 14, 2017
Filed:
Jan. 30, 2012
Kozo Nogi, Hyogo, JP;
Masatoshi Nakamura, Hyogo, JP;
Hirofumi Shibata, Hyogo, JP;
Koji Honda, Hyogo, JP;
Yusuke Watanabe, Hyogo, JP;
Satoshi Matsumoto, Hyogo, JP;
Reiko Nakatsuru, Hyogo, JP;
Kunihiko Ishizaki, Hyogo, JP;
Kazuki Kimura, Hyogo, JP;
Sayaka Machida, Hyogo, JP;
Kozo Nogi, Hyogo, JP;
Masatoshi Nakamura, Hyogo, JP;
Hirofumi Shibata, Hyogo, JP;
Koji Honda, Hyogo, JP;
Yusuke Watanabe, Hyogo, JP;
Satoshi Matsumoto, Hyogo, JP;
Reiko Nakatsuru, Hyogo, JP;
Kunihiko Ishizaki, Hyogo, JP;
Kazuki Kimura, Hyogo, JP;
Sayaka Machida, Hyogo, JP;
Nippon Shokubai Co., Ltd., Osaka, JP;
Abstract
From a view point of reduction in an out of spec product after surface crosslinking, particularly, when an alkylene carbonate compound is used as a surface crosslinking agent, influence by an air temperature is great, and it is necessary to reduce ethylene glycol which is produced as a byproduct, and there is provided a process for producing a polyacrylic acid (salt)-based water absorbent resin powder, comprising