WO2012104727A1 - Tampon absorbant - Google Patents

Tampon absorbant Download PDF

Info

Publication number
WO2012104727A1
WO2012104727A1 PCT/IB2012/000335 IB2012000335W WO2012104727A1 WO 2012104727 A1 WO2012104727 A1 WO 2012104727A1 IB 2012000335 W IB2012000335 W IB 2012000335W WO 2012104727 A1 WO2012104727 A1 WO 2012104727A1
Authority
WO
WIPO (PCT)
Prior art keywords
absorbent pad
absorbent
layer
printed
pad according
Prior art date
Application number
PCT/IB2012/000335
Other languages
English (en)
Inventor
Susan Frances MATTHEWS
Original Assignee
Ghm Company Pty Ltd.
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 Ghm Company Pty Ltd. filed Critical Ghm Company Pty Ltd.
Publication of WO2012104727A1 publication Critical patent/WO2012104727A1/fr

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F23/00—Advertising on or in specific articles, e.g. ashtrays, letter-boxes
    • G09F23/10—Advertising on or in specific articles, e.g. ashtrays, letter-boxes on paper articles, e.g. booklets, newspapers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/10—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/308—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising acrylic (co)polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B32B27/365—Layered products comprising a layer of synthetic resin comprising polyesters comprising polycarbonates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0246—Acrylic resin fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0261—Polyamide fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/06—Vegetal fibres
    • B32B2262/062—Cellulose fibres, e.g. cotton
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/08—Animal fibres, e.g. hair, wool, silk
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2555/00—Personal care

Definitions

  • an absorbent pad comprising an absorbent layer and a liquid impermeable layer wherein optionally at least one surface of the pad is printed.
  • the absorbent and liquid permeable layers may be comprised within the same layer or they may be separate layers.
  • Some embodiments of the invention further comprise a non slip layer which may be separate or is optionally the same as one or more other layers. Some embodiments comprise a top layer which optionally comprises perforations or other means to readily accept liquid or semi-liquid material for absorption.
  • the pad is printed with information that is of commercial use.
  • it is printed with advertising or other marketing related material which is preferably relevant to the use at hand.
  • the printed information is useful for the application at hand (for example instructions on how to use a stereo system for a drinking vessel holder in a car).
  • the printed information is of general informative value and may for example form a collectible set.
  • the absorbent layer may comprise any suitable material.
  • a textile, paper-based product, polymer or other suitable materials Preferably one or more of a textile, paper-based product, polymer or other suitable materials.
  • the top layer may for example comprise Polyester;
  • absorption capacity is in the range 0.001 to 1,500 mis per cubic centimetre.
  • the liquid permeable layer may comprise any suitable material.
  • the middle (Absorbent) Layer may comprise one or more of Polymer such as super absorbent polymer; thermoplastic polymer;
  • hydrophilic palmer Sodium Polyacrylate
  • wood pulp wood pulp
  • fluff pulp including blended and/or folded
  • the polymer may be Granular Polymerisation; Solution Based Polymerisation; Suspension based
  • the non-slip (impermeable/non-porous/hydrophobic) layer may comprise any suitable material.
  • Preferably it may comprise polyethylene or any other composition containing any form of plastic.
  • Absorbent pads according to the invention may be made in any suitable size, shape or color suitable for the purpose for which they are made. For example, they may be used as with a drinking vessel holder or as a placemat, tablecloth, paint tins, other liquid fill tins/containers for transport, painting, painting tray, infant change table cover, etc.
  • Some embodiments of the present invention have particular characteristics, such as:
  • a protective moisture barrier that can be changed to suit the application (e.g. non slip surface or removable adhesive surface).
  • a process for producing an absorbent pad combining a plurality of layers in a sheet or web and cutting the sheet or web so as to produce one or more absorbent pads.
  • Cutting may comprise any suitable process, for example it may comprise stamping, dye cutting, heat, etc.
  • layers are sealed, for example using heat.
  • a molding process is used to make an absorbent pad according to the invention.
  • a pad according to the invention is provided with an odor.
  • the odor can be of any suitable type, and is typically chosen for the particular circumstances, such as vanilla for a cup holder, or a perfume for an animal mat.
  • the odor may be created by any suitable means, such as dry or liquid form, it may be printed in or supplied by an odor releasing device or embedded in one or more layers, etc.
  • a biodegradable absorbent pad comprising an absorbent layer and a liquid impermeable layer wherein optionally at least one surface of the pad is printed.
  • the biodegradable material of which the pad is comprised is non-toxic. Any suitable biodegradable material may be used, by way of example only, it might include, grain or vegetable products, starch, fibrous rice material, rice paper, etc.
  • the permeable layer is comprised of one or more of these biodegradable products.
  • the pad comprises a wax. The wax may function as the impermeable layer in some embodiments.
  • Some embodiments of the invention comprise an fixative on at least one of the permeable or impermeable layers to enable reversible engagement with a surface.
  • the surface may be that of a receptacle such as a cup or bowel, or it may be the surface on which the pad is placed, such as a tray table on an airplane.
  • the fixative may be of any suitable type, including an adhesive, Velcro, etc.
  • an adhesive is used to fix a pad according to the invention to the bottom of a travel cage for a pet.
  • the fixative comprises a means to attach an edge of the pad in association with a surface.
  • the pad comprises an elasticized band which is used to grip a surface which may for example be a non-planar surface.
  • a pad with an elasticized waist which enables it to be held on to a bicycle seat such as those used on exercise bicycles in health clubs.
  • a surface of the pad comprises a coating to facilitate grip with the surface which it is covering. This may include any suitable coating, such as a rubberized non- slip coating.
  • both the upper and lower layers of the pad comprise a non-slip surface to enable grip with the surface on which it is placed as well as grip with an article placed on it.
  • This embodiment is useful for example in transport where the motion of a vehicle, airplane or boat makes it difficult to keep an article such as a cup on a tray table or the like.
  • Figure 1 shows a plan view of an absorbent pad in accordance with one embodiment of the present invention.
  • Figure 2 shows a cross-sectional view of an absorbent pad in accordance with an embodiment of the present invention.
  • Figure 3 shows another cross-sectional view of an absorbent pad in accordance with an embodiment of the present invention.
  • Figure 4 shows another cross-sectional view of absorbent pad in accordance with an embodiment of the present invention.
  • the invention comprises an absorbent pad according to the invention for use with a drinking vessel holder in a vehicle.
  • the absorbent pad of this invention is thick enough to absorb most spills and condensations.
  • the absorbent pad should also have a plastic lining or membrane that did not allow liquid to flow through to the bottom of the cup holder.
  • An absorbent pad of the present invention is able to be disposed of in a rubbish bin.
  • Cup holders vary in different shapes, styles and so it was highly unlikely that one absorbent pad shape would fit all existing and future cup holders within the world. Provide varying shapes and sizes of absorbent pad to resolve the issue.
  • an absorbent pad in accordance with the present invention includes a top material that covers the whole region shown in figure 1 as "l.A”; a printable layer.
  • the printing may form a region that covers the entire top surface or it may only cover a small region of the top surface; alternatively there may be no printing on the top surface.
  • Figure 1 also includes a base material that covers the whole region shown in figure 1 as "l.B”; a non-slip layer.
  • the non-slip layer may form a region that covers the entire base surface or it may only cover a small region of the base surface; alternatively there may be no non-slip layer on the base surface.
  • the base material may also be printed, were the printing may form a region that covers the entire base surface or it may only cover a small region of the base surface;
  • Figure 2 shows a cross-sectional view of an absorbent pad in accordance with an embodiment of the present invention.
  • Figure 2 includes a top printable layer shown in the figure as "2. A”.
  • Figure 2 includes a middle absorbent layer shown in the figure as “2.B” and a base protective moisture barrier layer shown in the figure as "2.C”.
  • Figure 3 shows a cross-sectional view of absorbent pad in accordance with an embodiment of the present invention.
  • Figure 3 includes a top printable layer shown in the figure as "3. A”.
  • Figure 3 includes a middle absorbent layer shown in the figure as “3.B” and a base protective moisture barrier layer shown in the figure as “3.C”.
  • Figure 3 is very similar to Figure 2 however the base protective moisture barrier layer as shown in the figure as "3.C” encompasses the middle layer as shown in the figure as "3.B".
  • the base protective moisture barrier layer as shown in figure as “3.C” may also encompass the middle layer as shown in figure as “3.B” and the top layer as shown in figure as “3.C”.
  • the base protective moisture barrier layer as shown in “3.C” may only encompass a small region of the middle absorbent layer as shown in figure as “3.B”and top printable layer as shown in figure as "3.A”.
  • Figure 4 shows a cross-sectional view of absorbent pad in accordance with an embodiment of the present invention.
  • Figure 4 includes a top printable layer shown in the figure as "4. A”.
  • Figure 4 includes a middle absorbent layer shown in the figure as “4.B” and a base protective moisture barrier layer shown in the figure as “4.C”.
  • Figure 4 is very similar to Figure 2, however there is a tab that has been added to figure 4 as shown in figure as "4.D". However it will be appreciated that the tab as shown in the figure as "4.D” may alter in size and shape as well as the position on which it is currently shown in this figure.
  • a spill and/or condensation surface protector for protecting surfaces comprising a moisture barrier to prevent moisture reaching the surface being protected and an absorbent printable cover.
  • the base may be of any suitable type, and may for example comprise of a non-slip or any other suitable material.
  • the top may be of any suitable type, including various paper, membrane, textile materials or composites.
  • a method for making a protective absorbent barrier for a particular application comprising (a) determining a set of characteristics suitable for a particular application and (b) creating a protective absorbent barrier to suit the application.
  • the characteristics are dimensions which may for example be pre-cut to enable ready application of a absorbent pad to the particular cup/drink holder.
  • the characteristics may for example comprise of the type of base or type of top, and so on.
  • the absorbent pad may be undertaken by any suitable means.
  • it may for example comprise a non-slip material shape via a die cut or a punch which may for example be made to cover the base.
  • the top may be printed upon.
  • the printed top may be in the form of sheet or film.
  • the top can comprise of textile material.
  • the final material may in the form of sheet or film.
  • the top textile material may be printed.
  • the top can comprise of moisture absorbent material.
  • the final material may in the form of sheet or film.
  • the top moisture absorbent material may be printed.
  • the top can comprise of paper material.
  • the final material may in the form of sheet or film.
  • the top paper material may be printed.
  • the top can comprise of any material suitable currently available or future material that enables moisture/liquid to pass through it or to be collected by it.
  • the top material may be printed.
  • the top can comprise of a one way membrane, allowing
  • the one way membrane may be printed.
  • Printed material may comprise any suitable printing.
  • Printed material may comprise any suitable printing. For example:
  • wireframe and/or photos and/or vector and/or any other type of images ); text; patterns.
  • Cancer Research i.e. promotional including but not exclusive to non-profit cause; religion; governments; services such as but not exclusive
  • Printing may be applied in any suitable way and for example may comprise:
  • the top can comprise of holes that allow liquid to pass through the holes.
  • the holes may change in shape; size and or number of holes.
  • the middle can comprise of any material suitable currently available or future material that enables moisture/liquid to be absorbed.
  • the middle can comprise of any material suitable currently available or future material that enables moisture/liquid to be contained and/or trapped.
  • the base can comprise of a vinyl material.
  • the vinyl material may comprise of polyvinyl chloride (PVC).
  • PVC polyvinyl chloride
  • the final material may be in the form of sheet or film.
  • the base material may have a non-slip backing thereon.
  • the base can comprise of a waterproof and water resistant paper material.
  • the final material may be in the form of sheet or film.
  • the base waterproof and water resistant paper material may have a non-slip backing thereon.
  • the base can comprise of a laminated material.
  • the final material may be in the form of sheet or film.
  • the base laminated material may have a non-slip backing thereon.
  • the base can comprise of a polyester material.
  • the polyester material can be in the form of sheet or film.
  • the polyester material may have a non-slip backing thereon.
  • the base can comprise of a polypropylene (PP) material.
  • the polypropylene material may be in the form of sheet or film.
  • the polypropylene (PP) material may have a non-slip backing thereon.
  • the base can comprise of a polycarbonate (PC) material.
  • the polycarbonate (PC) material may be in the form of sheet or film.
  • the polycarbonate (PC) material may have a non-slip backing thereon.
  • the base can comprise of a polyethylene (PE) material.
  • the polyethylene (PE) material may be in the form of sheet or film.
  • the polyethylene (PE) material may have a non-slip backing thereon.
  • the base can comprise of a polyethylene terephthalate
  • the polyethylene terephthalate (PET/PETE) material may be in the form of sheet or film.
  • the polyethylene terephthalate (PET/PETE) material may have a non-slip backing thereon.
  • the base can comprise of a polyurethane (PU PUR) material.
  • the polyurethane (PU/PUR) material may be in the form of sheet or film.
  • the polyurethane (PU/PUR) material may have a non-slip backing thereon.
  • the base can comprise of a polyvinylidene Fluoride (PVDF) material.
  • PVDF polyvinylidene Fluoride
  • the polyvinylidene Fluoride (PVDF) material may be in the form of sheet or film.
  • PVDF polyvinylidene Fluoride
  • the polyvinylidene Fluoride (PVDF) material may have a non-slip backing thereon.
  • Embodiments which comprise of non-slip backing may use any suitable type of non-slip.
  • the non-slip may be applied to a percentage of the base. In other embodiments the non-slip may be applied to the fully cover the base. In other embodiments the non-slip may not be applied to the base.
  • the base may be printed upon.
  • the printed base may be in the form of sheet or film.
  • the printed base may have a non-slip backing thereon.
  • Another aspect of the invention concerns methods to make absorbent pad as part of the invention.
  • Another aspect of the invention concerns the ability to dispose of absorbent pad in a standard rubbish bin.
  • absorbent pad may be able to be recycled, thus reducing landfill waste.
  • absorbent pad has a tab feature that enables absorbent pad to be fit into existing inbuilt drink cup holders without the worry of not being able to remove absorbent pad from the existing inbuilt drink cup holder.
  • the tab feature may change in size and shape and/or position.
  • absorbent pad may change is shape; size; thickness of product and/or absorbency level of product.
  • Absorbent pads according to the invention may be made in any suitable size, shape or color suitable for the purpose for which they are made. For example, they may be used:
  • tray Mat - such as drinks trays; trays for meals such as soup, etc
  • Fridge Protector for example on a shelf or at the bottom of a fridge to soak up milk spills at one of the super markets or at home.
  • Clothing Protector - such as aprons, bibs, etc
  • Medical Mat - such as for use in operating theatres; bed mat/liner and other medically related uses.
  • Pet Mat - such as under the fish tank; in Pet Travel Cages; in Vet Surgery; in any pet cages such as in use in Vet Surgeries; boarding
  • Bag Liner - such as for sports shoes; makeup bag liners; swimming cloths & equipment, etc.
  • Bench Cover maybe partial cover or full cover

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Laminated Bodies (AREA)

Abstract

L'invention porte sur un tampon absorbant qui comporte une couche absorbante et une couche imperméable aux liquides, au moins une surface du tampon étant imprimée.
PCT/IB2012/000335 2011-02-02 2012-02-02 Tampon absorbant WO2012104727A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201161438955P 2011-02-02 2011-02-02
US61/438,955 2011-02-02

Publications (1)

Publication Number Publication Date
WO2012104727A1 true WO2012104727A1 (fr) 2012-08-09

Family

ID=46602121

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2012/000335 WO2012104727A1 (fr) 2011-02-02 2012-02-02 Tampon absorbant

Country Status (1)

Country Link
WO (1) WO2012104727A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109925533A (zh) * 2017-12-15 2019-06-25 码源科技(北京)有限公司 不透液材料及吸收物

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6619608B1 (en) * 2002-04-25 2003-09-16 Menasha Corporation Promotional coaster
US6770581B1 (en) * 2000-03-17 2004-08-03 Milliken & Company Absorbent fabrics, products, and methods
US20080272261A1 (en) * 2007-05-02 2008-11-06 Morlan Jeffrey K Multi-layer absorbing coaster
US7726260B1 (en) * 2000-12-20 2010-06-01 Pat Yananton Absorbent pad for entrapping small and coarse particles, retaining liquids and eliminating odors

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6770581B1 (en) * 2000-03-17 2004-08-03 Milliken & Company Absorbent fabrics, products, and methods
US7726260B1 (en) * 2000-12-20 2010-06-01 Pat Yananton Absorbent pad for entrapping small and coarse particles, retaining liquids and eliminating odors
US6619608B1 (en) * 2002-04-25 2003-09-16 Menasha Corporation Promotional coaster
US20080272261A1 (en) * 2007-05-02 2008-11-06 Morlan Jeffrey K Multi-layer absorbing coaster

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109925533A (zh) * 2017-12-15 2019-06-25 码源科技(北京)有限公司 不透液材料及吸收物

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