WO2004043505A1 - Freeze dried superabsorbent materials - Google Patents
Freeze dried superabsorbent materials Download PDFInfo
- Publication number
- WO2004043505A1 WO2004043505A1 PCT/US2003/028242 US0328242W WO2004043505A1 WO 2004043505 A1 WO2004043505 A1 WO 2004043505A1 US 0328242 W US0328242 W US 0328242W WO 2004043505 A1 WO2004043505 A1 WO 2004043505A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- absorbent polymer
- vortex time
- absorbent
- superabsorbent material
- polymer
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/12—Powdering or granulating
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
- A61F2013/530481—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials
- A61F2013/530569—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials characterized by the particle size
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
- A61F2013/530481—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials
- A61F2013/530708—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials characterized by the absorbency properties
- A61F2013/530715—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials characterized by the absorbency properties by the acquisition rate
- A61F2013/530729—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials characterized by the absorbency properties by the acquisition rate by the swelling rate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2300/00—Characterised by the use of unspecified polymers
- C08J2300/14—Water soluble or water swellable polymers, e.g. aqueous gels
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Epidemiology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Dispersion Chemistry (AREA)
- Materials Engineering (AREA)
- Hematology (AREA)
- Organic Chemistry (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MXPA05004173A MXPA05004173A (en) | 2002-11-08 | 2003-09-08 | Freeze dried superabsorbent materials. |
CA002503650A CA2503650A1 (en) | 2002-11-08 | 2003-09-08 | Freeze dried superabsorbent materials |
KR1020057006849A KR101107381B1 (en) | 2002-11-08 | 2003-09-08 | Freeze dried superabsorbent materials |
JP2004551460A JP2006505666A (en) | 2002-11-08 | 2003-09-08 | Lyophilized superabsorbent material |
EP03749542A EP1581266A1 (en) | 2002-11-08 | 2003-09-08 | Freeze dried superabsorbent materials |
AU2003268570A AU2003268570A1 (en) | 2002-11-08 | 2003-09-08 | Freeze dried superabsorbent materials |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/291,237 | 2002-11-08 | ||
US10/291,237 US6939914B2 (en) | 2002-11-08 | 2002-11-08 | High stiffness absorbent polymers having improved absorbency rates and method for making the same |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004043505A1 true WO2004043505A1 (en) | 2004-05-27 |
Family
ID=32229220
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2003/028242 WO2004043505A1 (en) | 2002-11-08 | 2003-09-08 | Freeze dried superabsorbent materials |
Country Status (9)
Country | Link |
---|---|
US (1) | US6939914B2 (en) |
EP (1) | EP1581266A1 (en) |
JP (1) | JP2006505666A (en) |
KR (2) | KR101107381B1 (en) |
AR (1) | AR041519A1 (en) |
AU (1) | AU2003268570A1 (en) |
CA (1) | CA2503650A1 (en) |
MX (1) | MXPA05004173A (en) |
WO (1) | WO2004043505A1 (en) |
Families Citing this family (69)
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US20090076472A1 (en) * | 2007-09-17 | 2009-03-19 | Tisteron, Ltd. | Absorbent layer, structure and article along with a method of forming the same |
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2002
- 2002-11-08 US US10/291,237 patent/US6939914B2/en not_active Expired - Fee Related
-
2003
- 2003-09-08 KR KR1020057006849A patent/KR101107381B1/en not_active IP Right Cessation
- 2003-09-08 JP JP2004551460A patent/JP2006505666A/en active Pending
- 2003-09-08 AU AU2003268570A patent/AU2003268570A1/en not_active Abandoned
- 2003-09-08 EP EP03749542A patent/EP1581266A1/en not_active Withdrawn
- 2003-09-08 MX MXPA05004173A patent/MXPA05004173A/en active IP Right Grant
- 2003-09-08 KR KR1020117025509A patent/KR20110132471A/en not_active Application Discontinuation
- 2003-09-08 WO PCT/US2003/028242 patent/WO2004043505A1/en active Application Filing
- 2003-09-08 CA CA002503650A patent/CA2503650A1/en not_active Abandoned
- 2003-10-03 AR ARP030103615A patent/AR041519A1/en not_active Application Discontinuation
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Also Published As
Publication number | Publication date |
---|---|
CA2503650A1 (en) | 2004-05-27 |
KR20110132471A (en) | 2011-12-07 |
KR101107381B1 (en) | 2012-01-19 |
MXPA05004173A (en) | 2005-06-08 |
US6939914B2 (en) | 2005-09-06 |
US20040092658A1 (en) | 2004-05-13 |
AR041519A1 (en) | 2005-05-18 |
EP1581266A1 (en) | 2005-10-05 |
JP2006505666A (en) | 2006-02-16 |
AU2003268570A1 (en) | 2004-06-03 |
KR20050072112A (en) | 2005-07-08 |
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