EP0447434A1 - Pate dentifrice - Google Patents

Pate dentifrice

Info

Publication number
EP0447434A1
EP0447434A1 EP90900130A EP90900130A EP0447434A1 EP 0447434 A1 EP0447434 A1 EP 0447434A1 EP 90900130 A EP90900130 A EP 90900130A EP 90900130 A EP90900130 A EP 90900130A EP 0447434 A1 EP0447434 A1 EP 0447434A1
Authority
EP
European Patent Office
Prior art keywords
mass
toothpaste
strand
neck
strip
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
EP90900130A
Other languages
German (de)
English (en)
Inventor
Norbert Kornettka
Franz Förg
Albert Stöffler
Jürgen Fiedler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henkel AG and Co KGaA
Original Assignee
Henkel AG and Co KGaA
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6368968&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0447434(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Henkel AG and Co KGaA filed Critical Henkel AG and Co KGaA
Publication of EP0447434A1 publication Critical patent/EP0447434A1/fr
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D35/00—Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor
    • B65D35/24—Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor with auxiliary devices
    • B65D35/242—Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor with auxiliary devices for mixing or discharging of two or more components
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
    • A61K8/0216—Solid or semisolid forms
    • A61K8/0233—Distinct layers, e.g. core/shell sticks
    • A61K8/0237—Striped compositions
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q11/00—Preparations for care of the teeth, of the oral cavity or of dentures; Dentifrices, e.g. toothpastes; Mouth rinses

Definitions

  • the invention relates to toothpastes in the form of a multi-colored, striped strand and a device for dispensing the strand from a container.
  • Toothpastes with embedded cores or strips are known.
  • German Offenlegungsschrift 19 37 001 describes toothpastes in which strips or cores of a further paste-like mass with a high cleaning effect are embedded in a gel-like carrier strand.
  • the reverse case, in which one opaque toothpaste carrier strand with a high cleaning effect, see-through strips are stored, can be found in European patent application 76 563.
  • the carrier strand mass and the strip mass should have the same rheological properties as possible.
  • Further examples of striped toothpastes can be found in German Offenlegungsschriften 16 17907 and 2454 136.
  • Striped toothpaste strands are usually produced by simultaneously releasing carrier strand mass and strip mass when pressure is exerted on the storage container.
  • the desired appearance of the toothpaste strand is determined by a corresponding construction of the outlet opening of the storage container.
  • Information for filling corresponding toothpaste tubes and for designing the outlet opening of these tubes can be found, for example, in German patent specification 1185981 and British patent specification 813514.-
  • the known strip tooth pastes have an approximately circular, usually not very stable strand cross section.
  • a diffuse transition region is also often formed between the carrier strand and the strips.
  • This transition area should be eliminated to increase the aesthetic appearance of the strand.
  • toothpaste strands with a polygonal cross section which have an improved hold on toothbrushes. This is of particular interest if the toothbrushes are operated by children.
  • the differently colored strips can now be located in the edges of such a toothpaste strand.
  • the carrier strand mass and the strip mass should be coordinated with one another in such a way that they are to be brought out of a container synchronously and uniformly, the strip mass in particular forming the corner edges of a polygonal toothpaste strand.
  • a device is to be created which enables the synchronized and uniform application of the two coordinated toothpaste phases.
  • the invention thus relates to a toothpaste for dispensing from a container in the form of a multi-colored, striped strand, consisting of a carrier strand mass and at least one strip mass different in color from the carrier strand mass, characterized in that the ratio of the flow limits of Carrier strand mass and strip mass is about 1.10: 1 to 1.20: 1.
  • Toothpastes usually show the rheological behavior of non-Newtonian liquids.
  • the substance behaves like a solid.
  • a flow of the substance is only observed when shear stresses are applied that are greater than this limit.
  • the functional relationship between applied shear stress and observed shear rate above the yield point can be determined with the help of semi-empirical State equations such as the Bingham equation or the Casson equation are described. In most cases, the rheological behavior of toothpastes is pretty good through the Casson equation
  • the rheological properties of the toothpastes can be determined with the commercially available viscometers, for example the rotary viscosifiers from Haake.
  • the toothpaste shows a relationship in the form of a hysteresis curve, if the shear rate is changed cyclically between 0 and a certain value, then the numerical values for Yield point and viscosity in all cases on the so-called upward shear rate. This is the measuring section in which the shear rate is increased from 0 to the final value.
  • the measuring and evaluation method used is shown in detail in the example part.
  • the absolute values of the flow limits for the toothpastes according to the invention are in the range of approximately 65-280 Pa.
  • carrier strand mass and the strip mass differ only in the content of water and / or other additives used to adjust the flow limits, as well as dyes and / or pigments.
  • Carrier strand mass and strip mass can be formulated on the basis of a basic mixture. The above-mentioned components are then mixed into this basic mixture.
  • the toothpastes according to the invention can be produced in the form of gel-like or pasty preparations from the known components. Common components are abrasives and cleaning agents, Water, humectants, thickeners, surfactants, aroma substances, sweeteners, antiseptics and undos etisch acting substances and dyes.
  • Suitable abrasives and cleaning agents are, for example, special silicas such as precipitated silicas and gel silicas, aluminum oxide trihydrate, finely divided o-aluminum oxide, calcium carbonate, calcium phosphate, magnesium phosphate, water-insoluble sodium metaphosphate, magnesium carbonate and magnesium hydroxide as well as mixtures of these compounds.
  • the abrasives and cleaning agents are usually used in amounts of approximately 15-45% by weight, based on the total mass of the toothpaste.
  • Substances serving as humectants are, for example, polyalcohols, such as Glycerin, sorbitol and xylitol.
  • aerosilicic acids be ⁇ tonite and hydrocolloids such as carboxymethylcellulose, hydroxyethylcellulose, hydroxypropylguar, hydroxyethylstarch, polyvinylpyrrolidone, polyethylene glycols, vegetable gums such as tragacanth, agar-agar, Carraghee ⁇ ane, gum arabic as well as carboxypropylene and carbohydrates Types are used.
  • hydrocolloids such as carboxymethylcellulose, hydroxyethylcellulose, hydroxypropylguar, hydroxyethylstarch, polyvinylpyrrolidone, polyethylene glycols, vegetable gums such as tragacanth, agar-agar, Carraghee ⁇ ane, gum arabic as well as carboxypropylene and carbohydrates Types are used.
  • anionic high-foaming surfactants such as, for example, linear sodium alkyl sulfates with 12-18 C atoms in the alkyl group, sodium salts of alkyl polyglycol ether sulfates with 12-16 C atoms in the linear alkyl group and 2-6 glycol ether groups in the molecule, of linear alkane ( ⁇ 12-18) sulfonates, sulfosuccinic acid monoalkyl (C ⁇ 2_ ⁇ s) esters, sulfated fatty acid onoglycerides, sulfated Fatty acid alkanolamides, sulfoacetic acid * alkyl (C * 2-i8) esters, acyl sarcosides, acyl taurides and acyl isethionates each containing 8-18 C atoms in the acyl group.
  • Nonionic surfactants are also suitable, for example oxyethylates of fatty acid
  • suitable aroma substances are pepper oil, spearmint oil, eucalyptus oil, anise oil, fennel oil, caraway oil, menthyl acetate, cinnamaldehyde, anethole, vanillin and thymol, and mixtures of these and other natural and synthetic flavors. It may be preferred to use flavorings which give the toothpaste a taste which corresponds to that of fruits such as strawberry, raspberry, pineapple, apple or orange.
  • the toothpastes can contain substances such as saccharin, sodium cyclamate, aspartyl-phenylalanine methyl ester and asulfur ( R ) ⁇ and sucrose, lactose, maltose and fructose.
  • Antiseptics and oral cosmetic substances are to be understood as preservatives and antimicrobial substances, anti-tartar substances, caries-inhibiting, plaque-inhibiting substances and anti-inflammatory substances.
  • Suitable preservatives and antimicrobial substances include p-Hydroxybenzoic acid methyl, ethyl and propyl ester, sodium sorbate, sodium benzoate, bromochlorophene, phenylsalicylic acid ester and thymol.
  • Azacycloheptane-2,2-diphosphonic acid, 1-hydroxyethane-1,1-diphosphonic acid, 1-phosphonopropane can be used as anti-tartar active ingredients.
  • 1,2,3-tricarboxylic acid and its sodium salts and the compounds known from US Pat. No. 3,488,419, DE-OS 22 24 430 and DE-OS 23 43 196 are used.
  • Caries-inhibiting substances are, for example, sodium fluoride, sodium monofluorophosphate and tin fluoride.
  • Suitable keratogenic or anti-inflammatory substances are e.g. Allantoin, urea, azulene, chamomile active ingredients and acetylsalicylic acid derivatives.
  • the toothpastes according to the invention can also contain dyes and / or pigments such as e.g. Contain titanium dioxide and buffer substances such as primary, secondary or tertiary alkali phosphates or citric acid / sodium citrate.
  • dyes and / or pigments such as e.g. Contain titanium dioxide and buffer substances such as primary, secondary or tertiary alkali phosphates or citric acid / sodium citrate.
  • the additives which are preferably used to set the flow limits are polyalcohols, in particular sorbitol and / or glycerol, and / or silica.
  • Toothpastes according to the invention show a particularly advantageous aesthetic appearance if they contain carrier strand mass and strip mass in a volume ratio of approximately 92: 8 to approximately 97: 3, in particular approximately 95: 5.
  • both carrier strand mass and strip mass can be formulated independently of one another in such a way that they appear transparent or non-transparent.
  • the corresponding measures for example the addition of pigments for non-transparent formulations, are known to the person skilled in the art.
  • the toothpaste is dispensed from the storage container as a strand with a cross section in the form of an n-corner, where n is an integer from 3 to 7, and the strip mass is deposited in the ken of the n-corner. Delivery in the form of a strand with a cross section in the form of a rectangle, in particular in the form of a square, is very particularly preferred.
  • the partial task with regard to the device is achieved in a device of the generic type in that the outlet opening in the area of the neck has a polygonal, in particular square, cross-sectional area and that the openings are arranged in the corners of the cross-sectional area.
  • a device for use in dispensing the toothpaste according to the invention is explained in more detail below, for example. This shows in
  • Figure 2 is a supervision.
  • the device consists of a discharge nipple, generally designated (1), which has a riser pipe (2) which merges into a neck (4) which surrounds the discharge opening (3).
  • a shoulder (5) is integrally formed on the neck (4), which then merges into a container wall (6). For example, that is - 10th
  • Container wall (6) the wall of a laminate tube.
  • the upper region of a tube is shown in FIG. 1, as is known from conventional toothpaste tubes for dispensing strip toothpaste.
  • the nipple now points
  • the carrier mass B transmits this pressure to the strip mass A and the carrier strand mass B passes through the riser pipe (2) and through the openings (7) the strip mass A into the container opening (3). Due to the design of the neck (4), a square toothpaste strand is formed in the area thereof, the corner edges of which are formed by the strip mass A. With different color designs of carrier strand mass B and stripe mass A, a toothpaste strand is then obtained with stripes of contrasting color on the corner edges.
  • a thread (10) is formed on the outer surface of the neck (4), onto which a customary closure for closing the outlet opening (3) can be screwed.
  • the viscosity measurements were carried out with the Rotovisco RV 12 measuring system from Haake using the SV II St measuring device and the measuring head 150.
  • the Haak Rh ⁇ ocontroll ⁇ r serves to control the drive of the measuring head.
  • the measuring process was carried out at a temperature of 20 ° C.
  • the output signal 'e of Rotovisco RV 12 have been transferred via an interface to a computer, the evaluation was carried out with the aid of.
  • the numerical values for the flow limits and the viscosities in the above tables each relate to the upward shear rate.
  • the numerical values given are values which the toothpaste masses reach after storage of approximately one week and which do not change much further within the scope of the measurement accuracy when stored further.
  • significantly lower values for the flow limits and significantly higher values for the viscosity are measured. .These values initially change strongly in the first hours and days and reach the specified end values asymptotically after about a week.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Birds (AREA)
  • Epidemiology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Cosmetics (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Abstract

On peut obtenir des boudins de pâte dentifrice à raies multicolores, ayant notamment une section transversale à n angles, où n représente un nombre entier compris entre 3 et 7, qui sortent d'un réservoir sans former des zones de transition diffuses, lorsque le rapport entre les limites apparentes d'élasticité de la masse principale et de la masse des raies est compris entre 1,10 : 1 et 1,20 : 1. Un dispositif distributeur approprié est illustré dans la figure 1.
EP90900130A 1988-12-12 1989-12-04 Pate dentifrice Pending EP0447434A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3841775A DE3841775A1 (de) 1988-12-12 1988-12-12 Zahnpaste
DE3841775 1988-12-12

Publications (1)

Publication Number Publication Date
EP0447434A1 true EP0447434A1 (fr) 1991-09-25

Family

ID=6368968

Family Applications (2)

Application Number Title Priority Date Filing Date
EP90900130A Pending EP0447434A1 (fr) 1988-12-12 1989-12-04 Pate dentifrice
EP89122341A Expired - Lifetime EP0373469B1 (fr) 1988-12-12 1989-12-04 Pâte dentifrice

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP89122341A Expired - Lifetime EP0373469B1 (fr) 1988-12-12 1989-12-04 Pâte dentifrice

Country Status (11)

Country Link
US (1) US5324505A (fr)
EP (2) EP0447434A1 (fr)
JP (1) JPH04502310A (fr)
AT (1) ATE94053T1 (fr)
CA (1) CA2005239A1 (fr)
DE (2) DE3841775A1 (fr)
DK (1) DK94291D0 (fr)
ES (1) ES2042946T3 (fr)
FI (1) FI912643A7 (fr)
NO (1) NO178816C (fr)
WO (1) WO1990006744A2 (fr)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0661041B1 (fr) * 1993-11-05 2000-05-10 Unilever N.V. Distributeur pour un dentifrice à rayures
CH688349A5 (de) * 1994-02-28 1997-08-15 Maegerle Karl Lizenz Mischkopf fuer Verpackungsbehaelter.
US5843409A (en) * 1994-08-08 1998-12-01 Colgate Palmolive Company Two component dentifrice for the treatment of dentinal hypersensitivity
US5599525A (en) * 1994-11-14 1997-02-04 Colgate Palmolive Company Stabilized dentifrice compositions containing reactive ingredients
US5614174A (en) * 1994-11-14 1997-03-25 Colgate Palmolive Company Stabilized dentifrice compositions containing reactive ingredients
US5565190A (en) * 1994-11-14 1996-10-15 Colgate Palmolive Company Dentifrice compositions containing reactive ingredients stabilized with alkali metal compounds
JPH10512522A (ja) * 1994-12-07 1998-12-02 スミスクライン・ビーチャム・コーポレイション ノズル
US5553747A (en) * 1994-12-07 1996-09-10 Smithkline Beecham Corporation Container for multisegmental toothpaste
US6419902B1 (en) * 1995-12-11 2002-07-16 Howard W. Wright Color changing toothpaste
DE19650952A1 (de) * 1996-12-07 1998-06-10 Henkel Kgaa Zweiphasen-Hautpflegemittel
DE19740453A1 (de) * 1997-09-15 1999-03-18 Henkel Kgaa Zahnreinigungsmittel
USD420463S (en) * 1997-12-15 2000-02-08 Colgate-Palmolive Company Dentifrice
US6123925A (en) * 1998-07-27 2000-09-26 Healthshield Technologies L.L.C. Antibiotic toothpaste
US6026989A (en) * 1998-09-30 2000-02-22 Rxi Plastics, Inc. Multichamber squeeze tube integrally molded in one piece and container assembly incorporating same
US6126923A (en) * 1998-12-11 2000-10-03 Colgate-Palmolive Company Magically appearing striped dentifrice
US6257450B1 (en) 1999-04-21 2001-07-10 Pechiney Plastic Packaging, Inc. Dual dispense container having cloverleaf orifice
US6176395B1 (en) * 1999-04-21 2001-01-23 Pechiney Plastic Packaging, Inc. Dual dispense container
US6110888A (en) * 1999-05-10 2000-08-29 Takasago International Corporation Substituted phenols as fragrance, flavor and antimicrobial compounds
USD487398S1 (en) 2002-05-13 2004-03-09 Smithkline Beecham Corporation Nozzle for dispensing viscous material
US6722536B2 (en) 2002-05-13 2004-04-20 Smith Kline Beecham Corporation Nozzle for dispensing viscous material
DE10340348A1 (de) * 2003-09-02 2005-03-24 Beiersdorf Ag Mehrfarbige Kosmetika
US20050281758A1 (en) * 2004-06-18 2005-12-22 Dodd Kenneth T Oral care compositions
WO2006027001A1 (fr) * 2004-09-03 2006-03-16 Beiersdorf Ag Produits cosmetiques multicolores
US20080187497A1 (en) * 2005-02-04 2008-08-07 Rupesh Kumar Agarwal Toothpaste
CN101111217A (zh) * 2005-02-04 2008-01-23 荷兰联合利华有限公司 牙膏组合物
EP1843738B1 (fr) * 2005-02-04 2010-03-31 Unilever N.V. Composition de dentifrice multiphase
US20070009607A1 (en) * 2005-07-11 2007-01-11 George Jones Antibacterial/anti-infalmmatory composition and method
DE102009017675A1 (de) * 2009-04-16 2010-10-28 Heraeus Kulzer Gmbh Für die Mischkontrolle optimierte Mehrkomponentensysteme
WO2022261879A1 (fr) * 2021-06-17 2022-12-22 The Procter & Gamble Company Compositions de dentifrice à aspect strié

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DE3741087A1 (de) * 1987-12-04 1989-06-15 Henkel Kgaa Vorrichtung zur abgabe eines fliessfaehigen stoffes, insbesondere einer zahncreme
DE3904599A1 (de) * 1989-02-16 1990-08-23 Kaiser & Co Gmbh W F Blechtuelle fuer spritzbeutel und verfahren zu ihrer herstellung
WO1992012063A1 (fr) * 1991-01-11 1992-07-23 The Gillette Company Organe de commande pour reservoir sous pression

Non-Patent Citations (1)

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Title
See references of WO9006744A2 *

Also Published As

Publication number Publication date
ATE94053T1 (de) 1993-09-15
NO911790L (no) 1991-05-07
ES2042946T3 (es) 1993-12-16
EP0373469B1 (fr) 1993-09-08
JPH04502310A (ja) 1992-04-23
NO178816B (no) 1996-03-04
WO1990006744A3 (fr) 1990-09-07
CA2005239A1 (fr) 1990-06-12
NO178816C (no) 1996-06-12
DE58905540D1 (de) 1993-10-14
DE3841775A1 (de) 1990-06-13
DK94291A (da) 1991-05-17
FI912643A0 (fi) 1991-05-31
FI912643A7 (fi) 1991-05-31
DK94291D0 (da) 1991-05-17
EP0373469A3 (en) 1990-09-19
US5324505A (en) 1994-06-28
WO1990006744A2 (fr) 1990-06-28
EP0373469A2 (fr) 1990-06-20
NO911790D0 (no) 1991-05-07

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Designated state(s): AT BE CH DE ES FR GB IT LI NL SE

XX Miscellaneous (additional remarks)

Free format text: VERFAHREN ABGESCHLOSSEN INFOLGE VERBINDUNG MIT 89122341.4/0373469 (EUROPAEISCHE ANMELDENUMMER/VEROEFFENTLICHUNGSNUMMER) VOM 16.12.91.