WO1993005080A1 - Superabsorbent polymers and process for producing - Google Patents
Superabsorbent polymers and process for producing Download PDFInfo
- Publication number
- WO1993005080A1 WO1993005080A1 PCT/US1992/007611 US9207611W WO9305080A1 WO 1993005080 A1 WO1993005080 A1 WO 1993005080A1 US 9207611 W US9207611 W US 9207611W WO 9305080 A1 WO9305080 A1 WO 9305080A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- polymer
- grams
- gram
- crosslinking agent
- heat
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/42—Use of materials characterised by their function or physical properties
- A61L15/60—Liquid-swellable gel-forming materials, e.g. super-absorbents
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F6/00—Post-polymerisation treatments
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- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Dispersion Chemistry (AREA)
- Hematology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5505477A JPH06510557A (en) | 1991-09-09 | 1992-09-09 | Superabsorbent polymers and methods of making them |
AU25905/92A AU663336B2 (en) | 1991-09-09 | 1992-09-09 | Superabsorbent polymers and process for producing |
EP92919743A EP0603292A1 (en) | 1991-09-09 | 1992-09-09 | Superabsorbent polymers and process for producing |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US75673191A | 1991-09-09 | 1991-09-09 | |
US07/756,731 | 1991-09-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1993005080A1 true WO1993005080A1 (en) | 1993-03-18 |
Family
ID=25044811
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1992/007611 WO1993005080A1 (en) | 1991-09-09 | 1992-09-09 | Superabsorbent polymers and process for producing |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0603292A1 (en) |
JP (1) | JPH06510557A (en) |
AU (1) | AU663336B2 (en) |
CA (1) | CA2116035A1 (en) |
WO (1) | WO1993005080A1 (en) |
Cited By (47)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1995005856A1 (en) * | 1993-08-27 | 1995-03-02 | The Dow Chemical Company | Aqueous fluid absorbent polymers having a superior balance of absorptive properties |
WO1995010553A1 (en) * | 1993-10-12 | 1995-04-20 | The Dow Chemical Company | Water-swellable polymers having improved color |
EP0837076A2 (en) * | 1996-10-15 | 1998-04-22 | Nippon Shokubai Co., Ltd. | Water-absorbing agent and production process therefor |
WO1998049221A1 (en) * | 1997-04-29 | 1998-11-05 | The Dow Chemical Company | Superabsorbent polymers having improved processability |
DE19752128A1 (en) * | 1997-11-25 | 1999-07-29 | Stockhausen Chem Fab Gmbh | Process for the preparation of water-soluble or water-swellable polymers with a very low residual monomer content, products produced thereafter and their use |
DE19752127A1 (en) * | 1997-11-25 | 1999-07-29 | Stockhausen Chem Fab Gmbh | Process for the production of synthetic polymers with a very low residual monomer content, products produced thereafter and their use |
WO2001025290A1 (en) * | 1999-10-04 | 2001-04-12 | Basf Aktiengesellschaft | Mechanically stable hydrogel-forming polymers |
US6239230B1 (en) | 1999-09-07 | 2001-05-29 | Bask Aktiengesellschaft | Surface-treated superabsorbent polymer particles |
US6376618B1 (en) | 1999-09-07 | 2002-04-23 | Basf Aktiengesellschaft | Surface-treated superabsorbent polymer particles |
WO2002036663A1 (en) * | 2000-10-30 | 2002-05-10 | Stockhausen Gmbh & Co. Kg | Absorbent material with improved blocking properties |
US6391451B1 (en) | 1999-09-07 | 2002-05-21 | Basf Aktiengesellschaft | Surface-treated superabsorbent polymer particles |
US6551295B1 (en) | 1998-03-13 | 2003-04-22 | The Procter & Gamble Company | Absorbent structures comprising fluid storage members with improved ability to dewater acquisition/distribution members |
US6579958B2 (en) | 1999-12-07 | 2003-06-17 | The Dow Chemical Company | Superabsorbent polymers having a slow rate of absorption |
EP0636149B2 (en) † | 1992-04-16 | 2003-11-05 | The Dow Chemical Company | Crosslinked hydrophilic resins and method of preparation |
US6710224B2 (en) | 1999-10-25 | 2004-03-23 | Paragon Trade Brands | Superabsorbent polymers providing long-term generation of free volume in partially hydrated absorbent cores |
US6713661B1 (en) | 1998-04-28 | 2004-03-30 | The Procter & Gamble Company | Absorbent articles providing improved fit when wet |
US6803107B2 (en) | 1999-09-07 | 2004-10-12 | Basf Aktiengesellschaft | Surface-treated superabsorbent polymer particles |
EP1466928A1 (en) * | 2002-01-16 | 2004-10-13 | Sumitomo Seika Chemicals Co., Ltd. | Process for producing water-absorbing resin |
EP1493453A1 (en) | 2003-06-30 | 2005-01-05 | The Procter & Gamble Company | Absorbent comprising coated super-absorbent polymer particles |
US6987151B2 (en) | 2001-09-12 | 2006-01-17 | Dow Global Technologies Inc. | Continuous polymerization process for the manufacture of superabsorbent polymers |
EP1621561A1 (en) * | 2004-07-28 | 2006-02-01 | The Procter & Gamble Company | Superabsorbent polymers |
US7049000B2 (en) | 2003-08-06 | 2006-05-23 | The Procter & Gamble Company | Water-swellable material comprising coated water-swellable polymers |
US7175910B2 (en) | 2002-08-26 | 2007-02-13 | The Procter & Gamble Company | Absorbent cores for absorbent diapers having reduced thickness and improved liquid handling and retention performance and comprising a super absorbent polymer |
US7270881B2 (en) | 2003-08-06 | 2007-09-18 | The Procter & Gamble Company | Coated water-swellable material |
US7311968B2 (en) | 2004-06-30 | 2007-12-25 | The Procter & Gamble Company | Absorbent structures comprising coated super-absorbent polymer particles |
EP1874863A1 (en) * | 2005-04-06 | 2008-01-09 | Nippon Shokubai Co., Ltd. | Particulate water absorbing agent, water-absorbent core and absorbing article |
US7396585B2 (en) | 2003-08-06 | 2008-07-08 | The Procter & Gamble Company | Absorbent article comprising coated water-swellable material |
US7405341B2 (en) | 2003-09-25 | 2008-07-29 | The Procter & Gamble Company | Absorbent articles comprising super absorbent polymer having a substantially non-convalently bonded surface coating |
US7427437B2 (en) | 2003-08-06 | 2008-09-23 | The Procter & Gamble Company | Absorbent article comprising coated water-swellable polymer |
US7429632B2 (en) | 2004-03-30 | 2008-09-30 | Basf Aktiengesellschaft | Method of manufacturing superabsorbent polymers |
US7750085B2 (en) | 2005-03-14 | 2010-07-06 | Nippon Shokubai Co., Ltd. | Water-absorbing agent and its production process |
US7847144B2 (en) | 2003-09-25 | 2010-12-07 | The Procter & Gamble Company | Absorbent articles comprising fluid acquisition zones with superabsorbent polymers |
EP2371869A1 (en) | 2010-03-30 | 2011-10-05 | Evonik Stockhausen GmbH | A process for the production of a superabsorbent polymer |
US8048942B2 (en) | 2008-10-08 | 2011-11-01 | Evonik Stockhausen Gmbh | Process for the production of a superabsorbent polymer |
US8063121B2 (en) | 2008-10-08 | 2011-11-22 | Evonik Stockhausen Gmbh | Process for the production of a superabsorbent polymer |
US8287999B2 (en) | 2005-02-04 | 2012-10-16 | The Procter & Gamble Company | Absorbent structure with improved water-absorbing material comprising polyurethane, coalescing aid and antioxidant |
US8357766B2 (en) | 2008-10-08 | 2013-01-22 | Evonik Stockhausen Gmbh | Continuous process for the production of a superabsorbent polymer |
US8846823B2 (en) | 2004-05-07 | 2014-09-30 | Nippon Shokubai Co., Ltd. | Water absorbing agent and production method thereof |
US8952116B2 (en) | 2009-09-29 | 2015-02-10 | Nippon Shokubai Co., Ltd. | Particulate water absorbent and process for production thereof |
US9062140B2 (en) | 2005-04-07 | 2015-06-23 | Nippon Shokubai Co., Ltd. | Polyacrylic acid (salt) water-absorbent resin, production process thereof, and acrylic acid used in polymerization for production of water-absorbent resin |
US9090718B2 (en) | 2006-03-24 | 2015-07-28 | Nippon Shokubai Co., Ltd. | Water-absorbing resin and method for manufacturing the same |
EP1949011B2 (en) † | 2005-11-16 | 2016-05-11 | Basf Se | Process for preparing water-absorbing polymer particles |
US9926449B2 (en) | 2005-12-22 | 2018-03-27 | Nippon Shokubai Co., Ltd. | Water-absorbent resin composition, method of manufacturing the same, and absorbent article |
US10166312B2 (en) | 2006-03-17 | 2019-01-01 | The Procter & Gamble Company | Absorbent article comprising a synthetic polymer derived from a renewable resource and methods of producing said article |
US10450425B2 (en) | 2014-11-24 | 2019-10-22 | Lg Chem, Ltd. | Super absorbent polymer and method for preparing the same |
KR20210058928A (en) | 2018-09-21 | 2021-05-24 | 가부시키가이샤 닛폰 쇼쿠바이 | Method for producing a water absorbent resin containing a chelating agent |
WO2022081451A1 (en) | 2020-10-16 | 2022-04-21 | The Procter & Gamble Company | Absorbent hygiene product comprising superabsorbent polymer partly derived from a recycled resource and methods of producing said product |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9322119D0 (en) * | 1993-10-27 | 1993-12-15 | Allied Colloids Ltd | Superabsorbent polymers and products containing them |
SA08290542B1 (en) | 2007-08-28 | 2012-11-14 | نيبون شوكوباي كو. ، ليمتد | Method for Producing Water Absorbent Resin |
SA08290556B1 (en) | 2007-09-07 | 2012-05-16 | نيبون شوكوباي كو. ، ليمتد | Binding Mehtod of Water Absorbent Resins |
EP2404954B1 (en) | 2009-03-04 | 2015-04-22 | Nippon Shokubai Co., Ltd. | Process for producing water-absorbing resin |
JP5629688B2 (en) | 2009-08-27 | 2014-11-26 | 株式会社日本触媒 | Polyacrylic acid (salt) water-absorbing resin and method for producing the same |
WO2011099586A1 (en) | 2010-02-10 | 2011-08-18 | 株式会社日本触媒 | Process for producing water-absorbing resin powder |
WO2011111857A1 (en) | 2010-03-12 | 2011-09-15 | 株式会社日本触媒 | Method for manufacturing a water-absorbing resin |
CN110041555A (en) * | 2019-04-03 | 2019-07-23 | 黎明职业大学 | Preparation has the method for superelevation rate of water absorption polymer in a kind of low temperature environment |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4286082A (en) * | 1979-04-06 | 1981-08-25 | Nippon Shokubai Kagaku Kogyo & Co., Ltd. | Absorbent resin composition and process for producing same |
DE3609545A1 (en) * | 1986-03-21 | 1987-09-24 | Basf Ag | METHOD FOR THE DISCONTINUOUS PRODUCTION OF CROSSLINKED, FINE-PARTICLE POLYMERISATS |
EP0289338A2 (en) * | 1987-04-30 | 1988-11-02 | Nippon Shokubai Co., Ltd. | Hydrophilic polymer and method for production |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04502929A (en) * | 1989-01-09 | 1992-05-28 | ユニオンカーバイドケミカルズ アンド プラスティックスカンパニーインコーポレイテッド | Propoxylated alkali soluble thickener |
DE3926169A1 (en) * | 1989-08-08 | 1991-02-14 | Basf Ag | METHOD FOR IMPROVING THE WATER CAPACITY OF CROSSLINKED, WATER-SWELLABLE POLYMERS |
-
1992
- 1992-09-09 CA CA 2116035 patent/CA2116035A1/en not_active Abandoned
- 1992-09-09 WO PCT/US1992/007611 patent/WO1993005080A1/en not_active Application Discontinuation
- 1992-09-09 AU AU25905/92A patent/AU663336B2/en not_active Ceased
- 1992-09-09 JP JP5505477A patent/JPH06510557A/en active Pending
- 1992-09-09 EP EP92919743A patent/EP0603292A1/en not_active Ceased
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4286082A (en) * | 1979-04-06 | 1981-08-25 | Nippon Shokubai Kagaku Kogyo & Co., Ltd. | Absorbent resin composition and process for producing same |
DE3609545A1 (en) * | 1986-03-21 | 1987-09-24 | Basf Ag | METHOD FOR THE DISCONTINUOUS PRODUCTION OF CROSSLINKED, FINE-PARTICLE POLYMERISATS |
EP0289338A2 (en) * | 1987-04-30 | 1988-11-02 | Nippon Shokubai Co., Ltd. | Hydrophilic polymer and method for production |
Cited By (81)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0636149B2 (en) † | 1992-04-16 | 2003-11-05 | The Dow Chemical Company | Crosslinked hydrophilic resins and method of preparation |
WO1995005856A1 (en) * | 1993-08-27 | 1995-03-02 | The Dow Chemical Company | Aqueous fluid absorbent polymers having a superior balance of absorptive properties |
WO1995010553A1 (en) * | 1993-10-12 | 1995-04-20 | The Dow Chemical Company | Water-swellable polymers having improved color |
EP0837076A2 (en) * | 1996-10-15 | 1998-04-22 | Nippon Shokubai Co., Ltd. | Water-absorbing agent and production process therefor |
EP0837076A3 (en) * | 1996-10-15 | 1998-07-08 | Nippon Shokubai Co., Ltd. | Water-absorbing agent and production process therefor |
US6110992A (en) * | 1996-10-15 | 2000-08-29 | Nippon Shokubai Co., Ltd. | Water-absorbing agent and production process therefor |
US6127454A (en) * | 1996-10-15 | 2000-10-03 | Nippon Shokubai Co., Ltd. | Water-absorbing agent and production process therefor |
WO1998049221A1 (en) * | 1997-04-29 | 1998-11-05 | The Dow Chemical Company | Superabsorbent polymers having improved processability |
US6323252B1 (en) | 1997-04-29 | 2001-11-27 | The Dow Chemical Company | Superabsorbent polymers having improved processability |
DE19752128A1 (en) * | 1997-11-25 | 1999-07-29 | Stockhausen Chem Fab Gmbh | Process for the preparation of water-soluble or water-swellable polymers with a very low residual monomer content, products produced thereafter and their use |
DE19752127A1 (en) * | 1997-11-25 | 1999-07-29 | Stockhausen Chem Fab Gmbh | Process for the production of synthetic polymers with a very low residual monomer content, products produced thereafter and their use |
US6660819B2 (en) | 1997-11-25 | 2003-12-09 | Stockhausen Gmbh & Co. Kg | Method for producing synthetic polymerizates with a very low residual monomer content, products produced according to this method and the use thereof |
US6551295B1 (en) | 1998-03-13 | 2003-04-22 | The Procter & Gamble Company | Absorbent structures comprising fluid storage members with improved ability to dewater acquisition/distribution members |
US6713661B1 (en) | 1998-04-28 | 2004-03-30 | The Procter & Gamble Company | Absorbent articles providing improved fit when wet |
US6376618B1 (en) | 1999-09-07 | 2002-04-23 | Basf Aktiengesellschaft | Surface-treated superabsorbent polymer particles |
US6391451B1 (en) | 1999-09-07 | 2002-05-21 | Basf Aktiengesellschaft | Surface-treated superabsorbent polymer particles |
US6803107B2 (en) | 1999-09-07 | 2004-10-12 | Basf Aktiengesellschaft | Surface-treated superabsorbent polymer particles |
US6239230B1 (en) | 1999-09-07 | 2001-05-29 | Bask Aktiengesellschaft | Surface-treated superabsorbent polymer particles |
WO2001025290A1 (en) * | 1999-10-04 | 2001-04-12 | Basf Aktiengesellschaft | Mechanically stable hydrogel-forming polymers |
US6710224B2 (en) | 1999-10-25 | 2004-03-23 | Paragon Trade Brands | Superabsorbent polymers providing long-term generation of free volume in partially hydrated absorbent cores |
US6579958B2 (en) | 1999-12-07 | 2003-06-17 | The Dow Chemical Company | Superabsorbent polymers having a slow rate of absorption |
US6716929B2 (en) | 1999-12-07 | 2004-04-06 | The Dow Chemical Company | Superabsorbent polymers having a slow rate of absorption |
US7427650B2 (en) | 2000-10-30 | 2008-09-23 | Stockhausen Gmbh | Absorbing structure having improved blocking properties |
WO2002036663A1 (en) * | 2000-10-30 | 2002-05-10 | Stockhausen Gmbh & Co. Kg | Absorbent material with improved blocking properties |
US7241820B2 (en) | 2000-10-30 | 2007-07-10 | Stockhausen Gmbh | Absorbing structure having improved blocking properties |
US6987151B2 (en) | 2001-09-12 | 2006-01-17 | Dow Global Technologies Inc. | Continuous polymerization process for the manufacture of superabsorbent polymers |
EP1466928B1 (en) * | 2002-01-16 | 2014-04-16 | Sumitomo Seika Chemicals Co., Ltd. | Process for producing water-absorbing resin |
EP1466928A1 (en) * | 2002-01-16 | 2004-10-13 | Sumitomo Seika Chemicals Co., Ltd. | Process for producing water-absorbing resin |
US7175910B2 (en) | 2002-08-26 | 2007-02-13 | The Procter & Gamble Company | Absorbent cores for absorbent diapers having reduced thickness and improved liquid handling and retention performance and comprising a super absorbent polymer |
US7488535B2 (en) | 2002-08-26 | 2009-02-10 | The Procter & Gamble Company | Absorbent cores for absorbent diapers having reduced thickness and improved liquid handling and retention performance and comprising a super absorbent polymer |
US8791320B2 (en) | 2003-06-30 | 2014-07-29 | The Procter & Gamble Company | Absorbent structures comprising coated super-absorbent polymer particles |
US7108916B2 (en) | 2003-06-30 | 2006-09-19 | The Procter & Gamble Company | Absorbent structures comprising coated super-absorbent polymer particles |
EP1493453A1 (en) | 2003-06-30 | 2005-01-05 | The Procter & Gamble Company | Absorbent comprising coated super-absorbent polymer particles |
EP2221068A2 (en) | 2003-06-30 | 2010-08-25 | The Procter & Gamble Company | Absorbent structures comprising coated super-absorbent polymer articles |
US7445812B2 (en) | 2003-08-06 | 2008-11-04 | The Procter & Gamble Company | Process for making water-swellable material comprising coated water-swellable polymers |
US7947865B2 (en) | 2003-08-06 | 2011-05-24 | The Procter & Gamble Company | Absorbent structure comprising water-swellable material |
US7049000B2 (en) | 2003-08-06 | 2006-05-23 | The Procter & Gamble Company | Water-swellable material comprising coated water-swellable polymers |
US7427437B2 (en) | 2003-08-06 | 2008-09-23 | The Procter & Gamble Company | Absorbent article comprising coated water-swellable polymer |
US7396585B2 (en) | 2003-08-06 | 2008-07-08 | The Procter & Gamble Company | Absorbent article comprising coated water-swellable material |
US8137746B2 (en) | 2003-08-06 | 2012-03-20 | The Procter & Gamble Company | Process for making water-swellable material comprising coated water-swellable polymers |
US7402339B2 (en) | 2003-08-06 | 2008-07-22 | The Procter & Gamble Company | Coated water-swellable material comprising hydrogel-forming polymeric core and polymeric coating agent |
US7270881B2 (en) | 2003-08-06 | 2007-09-18 | The Procter & Gamble Company | Coated water-swellable material |
US7517586B2 (en) | 2003-08-06 | 2009-04-14 | Procter & Gamble Company | Absorbent structures comprising coated water-swellable material |
US7524561B2 (en) | 2003-08-06 | 2009-04-28 | The Procter & Gamble Company | Coated water-swellable material |
US7700153B2 (en) | 2003-08-06 | 2010-04-20 | The Procter & Gamble Company | Process for making water-swellable material comprising coated water-swellable polymers |
US7847144B2 (en) | 2003-09-25 | 2010-12-07 | The Procter & Gamble Company | Absorbent articles comprising fluid acquisition zones with superabsorbent polymers |
US7405341B2 (en) | 2003-09-25 | 2008-07-29 | The Procter & Gamble Company | Absorbent articles comprising super absorbent polymer having a substantially non-convalently bonded surface coating |
US7429632B2 (en) | 2004-03-30 | 2008-09-30 | Basf Aktiengesellschaft | Method of manufacturing superabsorbent polymers |
US8846823B2 (en) | 2004-05-07 | 2014-09-30 | Nippon Shokubai Co., Ltd. | Water absorbing agent and production method thereof |
US7311968B2 (en) | 2004-06-30 | 2007-12-25 | The Procter & Gamble Company | Absorbent structures comprising coated super-absorbent polymer particles |
EP1621561A1 (en) * | 2004-07-28 | 2006-02-01 | The Procter & Gamble Company | Superabsorbent polymers |
US8287999B2 (en) | 2005-02-04 | 2012-10-16 | The Procter & Gamble Company | Absorbent structure with improved water-absorbing material comprising polyurethane, coalescing aid and antioxidant |
US7750085B2 (en) | 2005-03-14 | 2010-07-06 | Nippon Shokubai Co., Ltd. | Water-absorbing agent and its production process |
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US9062140B2 (en) | 2005-04-07 | 2015-06-23 | Nippon Shokubai Co., Ltd. | Polyacrylic acid (salt) water-absorbent resin, production process thereof, and acrylic acid used in polymerization for production of water-absorbent resin |
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US10822783B2 (en) | 2006-03-17 | 2020-11-03 | The Proctor & Gamble Company | Absorbent article comprising a synthetic polymer derived from a renewable resource and methods of producing said article |
US9090718B2 (en) | 2006-03-24 | 2015-07-28 | Nippon Shokubai Co., Ltd. | Water-absorbing resin and method for manufacturing the same |
US8063121B2 (en) | 2008-10-08 | 2011-11-22 | Evonik Stockhausen Gmbh | Process for the production of a superabsorbent polymer |
US9085648B2 (en) | 2008-10-08 | 2015-07-21 | Evonik Degussa Gmbh | Superabsorbent polymer process |
US8048942B2 (en) | 2008-10-08 | 2011-11-01 | Evonik Stockhausen Gmbh | Process for the production of a superabsorbent polymer |
US8653210B2 (en) | 2008-10-08 | 2014-02-18 | Evonik Degussa Gmbh | Continuous process for the production of a superabsorbent polymer |
US8357766B2 (en) | 2008-10-08 | 2013-01-22 | Evonik Stockhausen Gmbh | Continuous process for the production of a superabsorbent polymer |
US9775927B2 (en) | 2009-09-29 | 2017-10-03 | Nippon Shokubai Co., Ltd. | Particulate water absorbent and process for production thereof |
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US8252873B1 (en) | 2010-03-30 | 2012-08-28 | Evonik Stockhausen Gmbh | Process for the production of a superabsorbent polymer |
WO2011120746A1 (en) | 2010-03-30 | 2011-10-06 | Evonik Stockhausen Gmbh | A process for the production of a superabsorbent polymer |
US8198385B2 (en) | 2010-03-30 | 2012-06-12 | Evonik Stockhausen Gmbh | Process for the production of a superabsorbent polymer |
US10450425B2 (en) | 2014-11-24 | 2019-10-22 | Lg Chem, Ltd. | Super absorbent polymer and method for preparing the same |
KR20210058928A (en) | 2018-09-21 | 2021-05-24 | 가부시키가이샤 닛폰 쇼쿠바이 | Method for producing a water absorbent resin containing a chelating agent |
WO2022081451A1 (en) | 2020-10-16 | 2022-04-21 | The Procter & Gamble Company | Absorbent hygiene product comprising superabsorbent polymer partly derived from a recycled resource and methods of producing said product |
Also Published As
Publication number | Publication date |
---|---|
AU663336B2 (en) | 1995-10-05 |
EP0603292A1 (en) | 1994-06-29 |
AU2590592A (en) | 1993-04-05 |
CA2116035A1 (en) | 1993-03-18 |
JPH06510557A (en) | 1994-11-24 |
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