Patent | Date |
---|
Absorbent structure, absorbent article, water-absorbent resin, and its production process and evaluation method Grant 8,426,670 - Nagasuna , et al. April 23, 2 | 2013-04-23 |
Water-absorbing agent production process with surface crosslinking and ion blocking Grant 7,420,018 - Wada , et al. September 2, 2 | 2008-09-02 |
Absorbent resin composition Grant 7,250,459 - Dairoku , et al. July 31, 2 | 2007-07-31 |
Absorbent resin composition App 20060025536 - Dairoku; Yorimichi ;   et al. | 2006-02-02 |
Water-absorbent agent, method for production thereof, and water-absorbent composition Grant 6,992,144 - Dairoku , et al. January 31, 2 | 2006-01-31 |
Water-absorbing agent and its production process and use App 20050272600 - Wada, Katsuyuki ;   et al. | 2005-12-08 |
Water-absorbing agent and its production process and use Grant 6,964,998 - Wada , et al. November 15, 2 | 2005-11-15 |
Method for production of porous material Grant 6,822,010 - Fujimaru , et al. November 23, 2 | 2004-11-23 |
Process for producing porous polymer Grant 6,797,735 - Nagasuna , et al. September 28, 2 | 2004-09-28 |
Method for production of porous material App 20040121081 - Fujimaru, Hirotama ;   et al. | 2004-06-24 |
Absorbing agent, process of manufacturing same, and absorbent product containing same Grant RE38,444 - Wada , et al. February 24, 2 | 2004-02-24 |
Absorbent structure, absorbent article, water-absorbent resin, and its production process and evaluation method App 20040019342 - Nagasuna, Kinya ;   et al. | 2004-01-29 |
Process for producing porous polymer App 20040002555 - Nagasuna, Kinya ;   et al. | 2004-01-01 |
Process for producing porous polymer Grant 6,630,519 - Fujimaru , et al. October 7, 2 | 2003-10-07 |
Absorbent structure, its production process, and absorbent article comprising said absorbent structure App 20030181115 - Nagasuna, Kinya ;   et al. | 2003-09-25 |
Water-absorbing agent and its production process and use App 20030176589 - Wada, Katsuyuki ;   et al. | 2003-09-18 |
Water-absorbent agents containing polycarboxylic amine chelating agents Grant 6,599,989 - Wada , et al. July 29, 2 | 2003-07-29 |
Water-absorbent agent, method for production thereof, and water-absorbent composition App 20030092849 - Dairoku, Yorimichi ;   et al. | 2003-05-15 |
Process for producing porous polymer App 20030069319 - Fujimaru, Hirotama ;   et al. | 2003-04-10 |
Water-absorbing Agent And Its Production Process And Use App 20020120074 - WADA, KATSUYUKI ;   et al. | 2002-08-29 |
Method for production of porous cross-linked poymer Grant 6,395,792 - Nagasuna , et al. May 28, 2 | 2002-05-28 |
Water-absorbent Agent, Method For Production Thereof, And Water- Absorbent Composition App 20020013394 - DAIROKU, YORIMICHI ;   et al. | 2002-01-31 |
Method for production of absorbent resin excelling in durability Grant 6,335,406 - Nagasuna , et al. January 1, 2 | 2002-01-01 |
Water-absorbing agent and production process therefor Grant 6,297,319 - Nagasuna , et al. October 2, 2 | 2001-10-02 |
Method for production of porous cross-linked polymer material Grant 6,274,638 - Yonemura , et al. August 14, 2 | 2001-08-14 |
Production process for water-absorbing agent Grant 6,265,488 - Fujino , et al. July 24, 2 | 2001-07-24 |
Process for manufacturing an absorbing agent and absorbent material Grant 6,180,724 - Wada , et al. January 30, 2 | 2001-01-30 |
Absorbent article and production process therefor Grant 6,150,582 - Wada , et al. November 21, 2 | 2000-11-21 |
Water absorbent resin Grant 6,087,002 - Kimura , et al. July 11, 2 | 2000-07-11 |
Water absorbing agent, manufacturing method thereof, and manufacturing machine thereof Grant 6,071,976 - Dairoku , et al. June 6, 2 | 2000-06-06 |
Process of manufacturing precursor of an absorbing agent Grant 6,054,541 - Wada , et al. April 25, 2 | 2000-04-25 |
Water-absorbent agent powders and manufacturing method of the same Grant 5,981,070 - Ishizaki , et al. November 9, 1 | 1999-11-09 |
Absorbing agent composition, absorbent material, and absorbent product containing absorbent material Grant 5,797,893 - Wada , et al. August 25, 1 | 1998-08-25 |
Absorbing agent, process of manufacturing same, and absorbent product containing same Grant 5,760,080 - Wada , et al. June 2, 1 | 1998-06-02 |
Water-absorbent agent, method for production thereof, and water-absorbent composition Grant 5,610,208 - Dairoku , et al. March 11, 1 | 1997-03-11 |
Process for preparing an absorbent resin crosslinked with a mixture of trimethylolpropane diacrylate and triacrylate Grant 5,574,121 - Irie , et al. November 12, 1 | 1996-11-12 |
Method for production of absorbent resin Grant 5,532,323 - Yano , et al. July 2, 1 | 1996-07-02 |
Method for production of absorbent resin Grant 5,422,405 - Dairoku , et al. June 6, 1 | 1995-06-06 |
Water-absorbent resin and production process Grant 5,244,735 - Kimura , et al. September 14, 1 | 1993-09-14 |
Method for manufacture of an absorbent resin Grant 5,229,488 - Nagasuna , et al. July 20, 1 | 1993-07-20 |
Method for treating the surface of an absorbent resin Grant 5,164,459 - Kimura , et al. November 17, 1 | 1992-11-17 |
Method of treating the surface of an absorbent resin Grant 5,140,076 - Hatsuda , et al. August 18, 1 | 1992-08-18 |