Inventor
KADONAGA KENJI
JP31 patents
⚠️ This page may combine multiple inventors who share the name “KADONAGA KENJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON CATALYTIC CHEM IND
23 patentsUS5026800AJun 25, 1991
Water-absorbent resin and production process
NIPPON CATALYTIC CHEM IND68 citations96
US6846439B2Jan 25, 2005
Process for producing porous polymer
NIPPON CATALYTIC CHEM IND18 citations92
US6649665B2Nov 18, 2003
Method for production of porous cross-linked polymer material
NIPPON CATALYTIC CHEM IND27 citations92
US6395793B1May 28, 2002
Method for production of porous material
NIPPON CATALYTIC CHEM IND22 citations92
US6395792B1May 28, 2002
Method for production of porous cross-linked poymer
NIPPON CATALYTIC CHEM IND28 citations92
US6362243B1Mar 26, 2002
Method for production of porous cross-linked polymer
NIPPON CATALYTIC CHEM IND27 citations92
US6335406B1Jan 1, 2002
Method for production of absorbent resin excelling in durability
NIPPON CATALYTIC CHEM IND40 citations92
US6323250B1Nov 27, 2001
Method for production of porous material
NIPPON CATALYTIC CHEM IND23 citations92
US6280120B1Aug 28, 2001
Adhesion preventing method and support body extracting method
NIPPON CATALYTIC CHEM IND23 citations92
US6087002AJul 11, 2000
Water absorbent resin
NIPPON CATALYTIC CHEM IND45 citations92
US7750085B2Jul 6, 2010
Water-absorbing agent and its production process
NIPPON CATALYTIC CHEM IND9 citations84
US7288601B2Oct 30, 2007
Method for production of water-absorbent resin and plow-shaped mixing device
NIPPON CATALYTIC CHEM IND12 citations84
US6822010B2Nov 23, 2004
Method for production of porous material
NIPPON CATALYTIC CHEM IND16 citations84
US6797735B2Sep 28, 2004
Process for producing porous polymer
NIPPON CATALYTIC CHEM IND17 citations84
US6630519B2Oct 7, 2003
Process for producing porous polymer
NIPPON CATALYTIC CHEM IND16 citations84
US7851550B2Dec 14, 2010
Method for surface crosslinking water-absorbing resin and method for manufacturing water-absorbing resin
NIPPON CATALYTIC CHEM IND16 citations83
US6730711B2May 4, 2004
Method for production of porous cross-linked polymer material
NIPPON CATALYTIC CHEM IND14 citations83
US9550843B2Jan 24, 2017
Method for producing polyacrylic acid (salt)-based water absorbent resin
NIPPON CATALYTIC CHEM IND5 citations73
US11970585B2Apr 30, 2024
Method for producing water-absorbent resin
NIPPON CATALYTIC CHEM IND0 citations62
US9796820B2Oct 24, 2017
Method for producing water absorbent resin
NIPPON CATALYTIC CHEM IND0 citations52
US10640591B2May 5, 2020
Method for producing water-absorbent resin
NIPPON CATALYTIC CHEM IND0 citations51
US10059817B2Aug 28, 2018
Method for producing polyacrylic acid (salt)-based water absorbing agent, and water absorbing agent
NIPPON CATALYTIC CHEM IND0 citations51
US9518180B2Dec 13, 2016
Method for producing polyacrylic acid (salt)-based water absorbing agent, and water absorbing agent
NIPPON CATALYTIC CHEM IND0 citations51