WO1999039675A1 - Matiere absorbant les odeurs constituee d'une zeolite liee dans une matrice polymere - Google Patents

Matiere absorbant les odeurs constituee d'une zeolite liee dans une matrice polymere Download PDF

Info

Publication number
WO1999039675A1
WO1999039675A1 PCT/US1999/002760 US9902760W WO9939675A1 WO 1999039675 A1 WO1999039675 A1 WO 1999039675A1 US 9902760 W US9902760 W US 9902760W WO 9939675 A1 WO9939675 A1 WO 9939675A1
Authority
WO
WIPO (PCT)
Prior art keywords
article
absorbing material
odor
polymer
zeolite
Prior art date
Application number
PCT/US1999/002760
Other languages
English (en)
Inventor
Ihab M. Hekal
Original Assignee
Capitol Vial, Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Capitol Vial, Inc. filed Critical Capitol Vial, Inc.
Priority to AU28673/99A priority Critical patent/AU2867399A/en
Publication of WO1999039675A1 publication Critical patent/WO1999039675A1/fr

Links

Classifications

    • 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
    • A61F13/84—Accessories, not otherwise provided for, for absorbent pads
    • A61F13/8405—Additives, e.g. for odour, disinfectant or pH control
    • 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
    • A61L15/18—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing inorganic materials
    • 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
    • A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
    • A61L15/24—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives thereof
    • 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
    • A61L15/46—Deodorants or malodour counteractants, e.g. to inhibit the formation of ammonia or bacteria

Definitions

  • the present invention relates to odor absorbent materials comprised of a zeolite bound in
  • the present invention also relates to odor absorbent articles employing such
  • odor absorbent material include diapers, sanitary napkins, etc.
  • odor absorbent articles include diapers, sanitary napkins, etc.
  • Absorbent pads designed to be worn by humans to absorb bodily fluids such as
  • urine, menstrual fluid, perspiration, etc. include such articles as disposable diapers, sanitary
  • Tampons can have a
  • the menstrual fluid contains amines, and in particular trimethylamine which
  • odor-causing amines contained in such a discharge may be of great value and may be
  • liquid transfer properties and absorbing properties for bodily fluids can also exhibit excellent
  • Yet another object of the present invention is to provide an odor absorbing material which can effectively absorb odor causing amines compounds.
  • Another object of the present invention is to provide an odor absorbing material which can effectively absorb odor causing amine compounds generated from the decompositions of the biological waste.
  • Still another object of the present invention is to provide an article containing the odor absorbing material of the present invention which is useful in absorbing the odor causing amine compounds contained in a bodily discharge.
  • a further object of the present invention is to provide an article having a zeolite contained in a polymer matrix that, in the presence of an aqueous solutions, the polymer matrix acts a barrier to the water and thus, prevents the odor causing amine compounds from being displaced by water in the zeolite.
  • Another object of the present invention is to provide such an odor absorbing material which can also be useful in application such as shoe liners, masks and air filters .
  • an absorbing material comprised of a zeolite bound in a polymer matrix.
  • a class of zeolites which can be used in this present invention are odor absorbing zeolites.
  • the polymer matrix helps contain the fine particles of the zeolite while also aiding in the handling and incorporation of the odor absorbing material into an odor absorbing article, such as - 3 -
  • the odor absorbing material of the present invention is useful in absorbing odor-causing compounds such as amines. Particular applicability is thereby found in absorbent articles such as tampons, feminine pads, diapers, sanitary napkins, panty liners, incontinent garments, as well as any other type of article which can be placed in an appropriate location to absorb amine based odors .
  • the odor absorbing material of the present invention provides one with an efficient and effective means of absorbing amine-based, as well as other types of odors .
  • the odor absorbing materials of the present invention contain a zeolite.
  • the zeolite is a potassium or sodium aluminum.
  • Natural zeolites that can also be used in the present invention including analcite, chabazite, heulandite, natrolite, stilbite and thomsonite.
  • a preferred class of zeolites for use in the present invention are molecular sieves.
  • the molecular sieves are selected from the group of crystalline aluminosilicate materials.
  • the crystalline structures of the molecular sieves are interlaced with regularly spaced channels and molecular dimensions forming a network of uniform pores.
  • the network of uniform pores may comprise almost 50% of the total volume of crystals.
  • Other types of molecular sieves that may be used in the present invention are listed in the Handbook of Molecular Sieves compiled by Rosemarie Szostak, VanNordstrom Reinhold, 1984, which is hereby incorporated by reference.
  • the zeolite chosen for use in accordance with the present invention should have a sufficient pore size to absorb the amine compound. And, for other odor compounds, the molecular sieve should have sufficient pore size to absorb the pertinent odor compound. It has been found that, in dealing with amine odor compounds, the zeolite employed should contain acidic groups. In another embodiment, zeolites, which are commercially available, which contain silanol groups and which are very weak acids, react with amine compounds and thus, are effective in removing the amine compounds as an odor problem.
  • the intermediate zeolites are characterized by SiO2/A102 molar ratios of less than about 10.
  • the intermediate zeolites have a high affinity for amine-type odors, they are weight efficient for odor absorption because they have a larger surface area, and they are moisture tolerant.
  • a wide variety of intermediate zeolites suitable for use herein are commercially available as Valfor Registered TM CP301- 68, Valfor Registered TM 300-63, Valfor Registered TM CP300-35, and Valfor Registered TM 300-56, available from PQ Corporation, and the BCV100 Registered TM series of zeolites from Conteka.
  • a further type of zeolites that may be used in the present invention include modified zeolites treated with an organic group in order to enhance the characteristics of the zeolite.
  • modified zeolites are marketed under the trade name Abscents Registered TM and Smellrite Registered TM, available from UOP . These materials are typically available as a white powder in the 3-5 micron particle size range. Such materials may also be used for control of sulfur- containing odors, e.g., thiols, mercaptans .
  • the range of use with different polymer matrices of the present invention may be increased.
  • a more hydrophobic zeolite may be more easily added in mixture with polyethylene, polypropylene or polystyrene .
  • the zeolite is bound in a polymer matrix.
  • the zeolite is in a safe form (e.g. contained in the matrix and thus, not a powder) that may then be used on or near the skin.
  • the polymer of the present invention is modified to contain a carboxylic acid or anhydride functional groups to react with and hence bind the zeolite to the polymer. It is through this reaction and binding effect that the zeolite is able to remain stably within the matrix.
  • the carboxylic acid groups or anhydride groups in the polymer matrix aids in the attraction and migration effect and its adsorption of the odor causing compounds.
  • Other polymers containing acid groups such as sulfunates, sulfates, phosphates, acrylates, phorphones or other groups which in solution can react with amines to form a salt, such as anhydride polymers, may also be used in the present invention.
  • the polymer matrix is comprised of a film- forming polymer.
  • film-forming polymers can comprise any suitable film- forming polymer which permits the migration of a compound such as an amine.
  • the film forming nature of the polymer aids in the extrusion of the odor absorbing material as a film or as fibers.
  • film forming polymers include the polyacrylate , polyethylene acrylic acid, polyethylene maleic anhydride, or polystyrene maleic anhydride polymers.
  • the mechanism believed to be involved in the odor absorption relates to the amine initially being absorbed and reacting with the acidic groups of the polymer matrix. As equilibrium is established, the amine compound moves to the zeolite where it is adsorbed. As a result, the amine keeps moving to the polymer matrix and then on to the zeolite adsorbent.
  • polymers containing ethylene are used as they are more porous to the amines and permit ready migration of the amines into the matrix and hence onto the zeolite adsorbent contained in the matrix. The polymer and zeolite may be blended and reacted in any conventional manner.
  • One example of forming the odor absorbing material of the present invention is by blending the polymer and the zeolite in a commercial mixer, such as a Henschel mixer.
  • the zeolite is often available in a dried and finely ground particulate form.
  • Polymers are often available in pellet or particulate form.
  • the blend is then fed through a conventional extruder to react the zeolite with the polymer and to form a film which is formed by the film- forming polymer.
  • the materials can be fed directly to the extruder and thus, both blended and reacted in the extruder.
  • the odor absorbing material of the present invention can be made for the intended end use.
  • the film for example, can be made in thin strips, or the odor absorbing material can be extruded in the form of fibers.
  • the material can also be extruded as granules, pellets, or can be extruded to coat a screen mesh which can subsequently be used in a urinal, a mask or an air filter.
  • plasticizers or additional resins can also be added to the blend of the present invention in order to modify the characteristics of the final product.
  • a styrene-butadine elastomer and an oil can be added to the blend of zeolite and polymer prior to or during extrusion.
  • Other suitable modifiers can also be added for a desired purpose .
  • the odor absorbing material of the present invention can be used in many different articles.
  • the application of the material will involve absorption of fluid discharges containing malodorous chemical compounds including acyclic and cyclic amines, aldehydes, fatty acids, and sulfur-containing compounds such as sulfides.
  • Vaginal secretions and used menstrual pads may contain malodorous chemical compounds; for example, trimethylamine, pyridine, furaldehyde, isovaleric acid and methyl mercaptan.
  • applications of the odor absorbing material of the present invention include pads, diapers and sanitary napkins.
  • a tampon employing the odor absorbing material of the present invention can comprise a multilayer structure.
  • the odor absorbing material of the present invention would be in the form of a film which is placed in between two absorbent layers. This multilayer structure is then formed into a tampon. During use, the absorbent layers would absorb the menstrual fluid, while the matrix film layer in between the absorbent layers would absorb the odor causing amine compounds, generally trimethylamine, and hence remove the odor.
  • the odor absorbing material of the present invention could similarly be used in a feminine pad, diaper or panty liner.
  • this liner, diaper or pad would also be comprised of a multilayer structure.
  • the top layer would be absorbent, fluid-permeable fabric.
  • An absorbent pad behind the non- woven fabric would serve as a fluid absorbing holder.
  • Such pads can comprise an elastic sheet full of cavities or pores and can comprise an accumulation of ground wood pulp or other absorbent material such as material comprised of the sodium or potassium salt of polyacrylic acid.
  • the material of the present invention can be situated within the pad or on either side or both sides of the pad to effectively eliminate the amine odor- causing contained in any bodily discharge.
  • the final layer of the diaper would be a backside surface layer which is fluid impermeable and generally is a polyethylene film.
  • the odor absorbing material of the present invention can also be used in other applications.
  • an odor absorber in accordance with the present invention for amine-based odors can be applied conveniently in fish wrapping or in a covering for animal waste.
  • a film comprised of the odor absorbing material of the present invention would be suitable for such applications of the present invention.
  • bags containing fish or animal waste can be lined with the odor absorbing material of the present invention.
  • the material of the present invention can also be made into strips that can be used in garbage bags. Such strips can also be used in hospital dishes used for urine collection, or in portable toilets in which the bodily discharge is contained in a compartment .
  • the strips can be contained within such a compartment .
  • the odor absorbing material of the present invention can also be used to coat urine screens as used in public urinals.
  • the material of the present invention can also be used in masks for working conditions involving odorous environments, or in air filters or in air fresheners.
  • the odor absorbing material can also be used as a film in a shoe odor absorbing article.
  • the odor absorbing material can also be part of an article which has a velcro tab for attachment to clothing, bandages, gloves or the like.
  • the matrix polymer of the present invention can be modified or is chosen for characteristics to better effect the application.
  • An odor absorbing material in accordance with the present invention is made by mixing together 40 wt. % of polyethylene acrylic acid 2,200 available from du Pont Chemical Company and 60 wt. % of Abscent 2000 modified zeolite available from UOP . The blend was mixed in a Henschel blender and compounded at 350 °F in a single screw extruder. A film was extruded.
  • the film was tested for its capacity to absorb trimethylamine.
  • the method employed was to add 1 ml of trimethylamine [0.1N] to 100 ml of distilled water. A large 2x4 inch piece of the film was then added to the solution. After 4 hours, three drops of Methyl Orange indicator was added and the solution containing the film was titrated with sulfuric acid [0.1N] until a color change was achieved so as to determine how much of the amine was consumed by the film. The results demonstrated that the material was effective in absorbing all of the amine in solution. 10 -
  • Another odor absorbent material in accordance with the present invention was prepared by mixing together 40 wt . of a polyethylene maleic anhydride available from Union Carbide under the designation DEFA 1373, and 60 wt . % of Absent 2000 modified zeolite available from UOP . The blend was mixed in a Henschel blender and then compounded at 350°F through a single screw extruder to form a film. A 1 gram piece of the film was then tested for its availability to absorb trimethylamine in accordance with the procedures described in Example 1. The results demonstrated that the odor absorbance material was effective in removing the odor causing trimethylamine from the solution.
  • An odor absorbing material in accordance with the present invention was prepared by blending together 50 wt . % of Abscent 2000 modified zeolite available from UOP, 25 wt. % of a polyethylene maleic anhydride available from
  • the blend was compounded at 350 °F through a single screw extruder.
  • the resulting product was then placed into a platen and pressed at 350 ⁇ F into a 10 to 15 mil film.
  • the film was then tested for its ability to absorb trimethylamine in accordance with the procedure described in Example 1. The results demonstrated that the film worked very well in adsorbing trimethylamine. As well, it demonstrated very soft and very flexible characteristics.
  • the film was softer and more flexible than either of the films prepared in Examples 1 or 2.

Abstract

Cette invention concerne une matière absorbant les odeurs qui est constituée d'une zéolite fixée dans une matrice polymère, la matrice comprenant un polymère contenant des groupes fonctionnels qui réagissent avec la zéolite et se lient ainsi à cette dernière. La matière absorbant les odeurs peut être extrudée sous forme de films minces ou de fibres, ceci permettant de l'utiliser dans des dispositifs tels que des tampons, des couches et des serviettes hygiéniques. La matière absorbant les odeurs peut également être utilisée dans d'autres applications nécessitant l'absorption de composés produisant des odeurs.
PCT/US1999/002760 1998-02-04 1999-02-04 Matiere absorbant les odeurs constituee d'une zeolite liee dans une matrice polymere WO1999039675A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU28673/99A AU2867399A (en) 1998-02-04 1999-02-04 Odor absorbing material comprised of a zeolite bound in a polymer matrix

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US1852198A 1998-02-04 1998-02-04
US09/018,521 1998-02-04

Publications (1)

Publication Number Publication Date
WO1999039675A1 true WO1999039675A1 (fr) 1999-08-12

Family

ID=21788366

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1999/002760 WO1999039675A1 (fr) 1998-02-04 1999-02-04 Matiere absorbant les odeurs constituee d'une zeolite liee dans une matrice polymere

Country Status (2)

Country Link
AU (1) AU2867399A (fr)
WO (1) WO1999039675A1 (fr)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002016221A2 (fr) * 2000-08-18 2002-02-28 E.I. Dupont De Nemours And Company Film actif absorbant les amines pour emballage de poisson frais
WO2007144056A1 (fr) * 2006-06-16 2007-12-21 Gottlieb Binder Gmbh & Co. Kg Procédé permettant d'obtenir une délivrance de parfum avec des articles à fermeture adhésive
US8635838B2 (en) 2009-10-30 2014-01-28 Munchkin, Inc. System for disposing waste packages such as diapers
WO2014074038A1 (fr) * 2012-11-12 2014-05-15 Sca Hygiene Products Ab Matière pour lutter contre les odeurs préparée par extrusion comprenant des particules encapsulées dans une matrice polymère
US8739501B2 (en) 2009-10-30 2014-06-03 Munchkin, Inc. System for disposing waste packages such as diapers
US8833592B2 (en) 2009-10-30 2014-09-16 Munchkin, Inc. System and method for disposing waste packages such as diapers
US8945287B2 (en) 2006-05-09 2015-02-03 Cocona, Inc. Active particle-enhanced membrane and methods for making and using the same
WO2017106122A1 (fr) * 2015-12-18 2017-06-22 3M Innovative Properties Company Revêtement d'article adhésif possédant un matériau sorbant
US9714138B2 (en) 2009-10-30 2017-07-25 Munchkin Inc. Method for disposing waste packages such as diapers
US9925096B2 (en) 2013-12-20 2018-03-27 Sca Hygiene Products Ab Absorbent product comprising an odor control material
US9994393B2 (en) 2014-12-11 2018-06-12 Munchkin, Inc. Container for receiving multiple flexible bag assemblies
US10159612B2 (en) 2013-12-20 2018-12-25 Essity Hygiene And Health Ab Absorbent product comprising odor control material
US10343842B2 (en) 2009-10-30 2019-07-09 Munchkin, Inc. System and method for disposing waste packages such as diapers
US10844247B2 (en) 2015-12-18 2020-11-24 3M Innovative Properties Company Adhesive article backing with sorbent material

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5037412A (en) * 1989-10-27 1991-08-06 Kimberly-Clark Corporation Absorbent article containing an anhydrous deodorant
US5429628A (en) * 1993-03-31 1995-07-04 The Procter & Gamble Company Articles containing small particle size cyclodextrin for odor control

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5037412A (en) * 1989-10-27 1991-08-06 Kimberly-Clark Corporation Absorbent article containing an anhydrous deodorant
US5429628A (en) * 1993-03-31 1995-07-04 The Procter & Gamble Company Articles containing small particle size cyclodextrin for odor control

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002016221A2 (fr) * 2000-08-18 2002-02-28 E.I. Dupont De Nemours And Company Film actif absorbant les amines pour emballage de poisson frais
WO2002016221A3 (fr) * 2000-08-18 2002-09-12 Du Pont Film actif absorbant les amines pour emballage de poisson frais
US8945287B2 (en) 2006-05-09 2015-02-03 Cocona, Inc. Active particle-enhanced membrane and methods for making and using the same
WO2007144056A1 (fr) * 2006-06-16 2007-12-21 Gottlieb Binder Gmbh & Co. Kg Procédé permettant d'obtenir une délivrance de parfum avec des articles à fermeture adhésive
US8635838B2 (en) 2009-10-30 2014-01-28 Munchkin, Inc. System for disposing waste packages such as diapers
US10343842B2 (en) 2009-10-30 2019-07-09 Munchkin, Inc. System and method for disposing waste packages such as diapers
US8739501B2 (en) 2009-10-30 2014-06-03 Munchkin, Inc. System for disposing waste packages such as diapers
US8833592B2 (en) 2009-10-30 2014-09-16 Munchkin, Inc. System and method for disposing waste packages such as diapers
US9714138B2 (en) 2009-10-30 2017-07-25 Munchkin Inc. Method for disposing waste packages such as diapers
JP2016502461A (ja) * 2012-11-12 2016-01-28 エスセーアー・ハイジーン・プロダクツ・アーベー ポリマーマトリックス中に封入された粒子を含む、押出によって調製される悪臭防止材料
AU2012393997B2 (en) * 2012-11-12 2015-09-17 Essity Hygiene And Health Aktiebolag Odor control material prepared by extrusion comprising particles encapsulated in a polymeric matrix
CN104780950A (zh) * 2012-11-12 2015-07-15 Sca卫生用品公司 通过挤出制备的包含封装于聚合物基质中的颗粒的气味控制材料
US9801765B2 (en) 2012-11-12 2017-10-31 Sca Hygiene Products Ab Odour control material, method for preparation of an odour control material and an absorbent product comprising the odour control material
RU2651465C2 (ru) * 2012-11-12 2018-04-19 Ска Хайджин Продактс Аб Устраняющий неприятный запах материал, полученный методом экструзии, содержащий частицы, заключенные в полимерной матрице
WO2014074038A1 (fr) * 2012-11-12 2014-05-15 Sca Hygiene Products Ab Matière pour lutter contre les odeurs préparée par extrusion comprenant des particules encapsulées dans une matrice polymère
US9925096B2 (en) 2013-12-20 2018-03-27 Sca Hygiene Products Ab Absorbent product comprising an odor control material
US10159612B2 (en) 2013-12-20 2018-12-25 Essity Hygiene And Health Ab Absorbent product comprising odor control material
US9994393B2 (en) 2014-12-11 2018-06-12 Munchkin, Inc. Container for receiving multiple flexible bag assemblies
US10053284B2 (en) 2014-12-11 2018-08-21 Munchkin, Inc. Container for receiving multiple flexible bag assemblies
US10086996B2 (en) 2014-12-11 2018-10-02 Munchkin, Inc. Container for receiving multiple flexible bag assemblies
WO2017106122A1 (fr) * 2015-12-18 2017-06-22 3M Innovative Properties Company Revêtement d'article adhésif possédant un matériau sorbant
US10844247B2 (en) 2015-12-18 2020-11-24 3M Innovative Properties Company Adhesive article backing with sorbent material

Also Published As

Publication number Publication date
AU2867399A (en) 1999-08-23

Similar Documents

Publication Publication Date Title
KR100313640B1 (ko) 실리카및제올라이트냄새억제시스템을갖는활성탄비함유흡수제품
US3340875A (en) Deodorized sanitary napkin
KR100313639B1 (ko) 제올라이트와실리카가밀접해있는냄새억제시스템을갖는흡수제품
WO1999039675A1 (fr) Matiere absorbant les odeurs constituee d'une zeolite liee dans une matrice polymere
EP0510619A1 (fr) Article pour l'absorption des fluides corporels et pour la réduction des odeurs en résultant
FI104049B (fi) Suuren kapasiteetin omaavat hajua kontrolloivat koostumukset
KR0157404B1 (ko) 무수 탈취제를 함유하는 흡수용품
JP3753581B2 (ja) 吸収性物品
US5817300A (en) Odor reducing compositions
JPH0357A (ja) 臭い吸収性のウエブ材料およびその製法、およびこのウエブ材料含有生理用品と医療材料パッケージ
JP3748021B2 (ja) 吸収性物品
JP2000503881A (ja) キレート剤および悪臭吸収剤を含有する悪臭抑制システムを有する吸収製品
KR100344139B1 (ko) 실리카,제올라이트및흡수성겔화물질을포함하는냄새제어시스템을갖는흡수제품
KR20000016438A (ko) 제올라이트 및 실리카 냄새 억제 시스템을 갖는 여성용 위생 흡수제품
WO2004058316A2 (fr) Articles absorbants contenant un additif absorbant les odeurs et/ou reduisant les odeurs
EP1359876B1 (fr) Produit absorbant
WO2008026114A2 (fr) Amidon expansé pour la neutralisation des odeurs
KR100344140B1 (ko) 흡수성겔화물질및실리카를포함하는냄새억제시스템을갖는흡수제품
CA1300316C (fr) Article fibreux absorbant a proprietes desodorisantes ameliorees
CN1189219C (zh) 含有环糊精的吸收性物品
WO2008026122A2 (fr) Amidon expansé dérivé pour la neutralisation des odeurs
CN210355115U (zh) 一种吸收芯设置多孔吸附体的吸收用品
JP2003210520A (ja) 尿臭を低減する吸収性物品
JPH11512942A (ja) 臭気制御のための多官能的に置換された芳香族キレート化剤を含む吸収製品
JP2001104370A (ja) 吸収性物品

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AU BR CA CN NZ

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE

121 Ep: the epo has been informed by wipo that ep was designated in this application
122 Ep: pct application non-entry in european phase