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:
Aug. 04, 2015
Filed:
Mar. 26, 2009
Kozo Nogi, Himeji, JP;
Masatoshi Nakamura, Himeji, JP;
Koji Matsumoto, Himeji, JP;
Kazuma Awai, Himeji, JP;
Kozo Nogi, Himeji, JP;
Masatoshi Nakamura, Himeji, JP;
Koji Matsumoto, Himeji, JP;
Kazuma Awai, Himeji, JP;
Nippon Shokubai Co., Ltd., Osaka, JP;
Abstract
[Problem] To provide a pneumatic conveyance method for a water-absorbing resin powder substance, which is capable of suppressing property decrease of the water-absorbing resin powder substance, while suppressing obstruction phenomenon. [Solution] A conveyance method for a water-absorbing resin powder substance by pneumatic conveyance of the water-absorbing resin powder substance during a production step via a transportation pipeline, wherein a variation of a solid-gas ratio (R/R) exceeds 1 and is equal to or smaller than 7, provided that R(kg-resin/kg-air) stands for an initial solid-gas ratio at a start point of the transportation pipeline, and R(kg-resin/kg-air) stands for a terminal solid-gas ratio at a terminal point of the transportation pipeline is provided.