HK1007493A1 - Viscoelastic dentifrice composition - Google Patents

Viscoelastic dentifrice composition

Info

Publication number
HK1007493A1
HK1007493A1 HK98106725A HK98106725A HK1007493A1 HK 1007493 A1 HK1007493 A1 HK 1007493A1 HK 98106725 A HK98106725 A HK 98106725A HK 98106725 A HK98106725 A HK 98106725A HK 1007493 A1 HK1007493 A1 HK 1007493A1
Authority
HK
Hong Kong
Prior art keywords
composition
viscoelastic
dentifrice composition
cross
effective
Prior art date
Application number
HK98106725A
Other languages
English (en)
Inventor
Michael Prencipe
Gary A Durga
Original Assignee
Colgate Palmolive Co
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 Colgate Palmolive Co filed Critical Colgate Palmolive Co
Publication of HK1007493A1 publication Critical patent/HK1007493A1/xx

Links

Classifications

    • 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
    • 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
    • A61K8/04—Dispersions; Emulsions
    • A61K8/042—Gels
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/73—Polysaccharides
    • A61K8/731—Cellulose; Quaternized cellulose derivatives
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • A61K8/8135—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid or of a haloformic acid; Compositions of derivatives of such polymers, e.g. vinyl esters (polyvinylacetate)
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • A61K8/8164—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical, and containing at least one other carboxyl radical in the molecule, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers, e.g. poly (methyl vinyl ether-co-maleic anhydride)
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • A61K8/817—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen; Compositions or derivatives of such polymers, e.g. vinylimidazol, vinylcaprolactame, allylamines (Polyquaternium 6)
    • A61K8/8182—Copolymers of vinyl-pyrrolidones. Compositions of derivatives of such polymers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
    • A61K2800/48—Thickener, Thickening system
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
    • A61K2800/52—Stabilizers
HK98106725A 1991-08-01 1998-06-25 Viscoelastic dentifrice composition HK1007493A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/738,766 US5202112A (en) 1991-08-01 1991-08-01 Viscoelastic dentifrice composition

Publications (1)

Publication Number Publication Date
HK1007493A1 true HK1007493A1 (en) 1999-04-16

Family

ID=24969381

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98106725A HK1007493A1 (en) 1991-08-01 1998-06-25 Viscoelastic dentifrice composition

Country Status (29)

Country Link
US (2) US5202112A (no)
EP (1) EP0525913B1 (no)
JP (1) JPH05194166A (no)
KR (1) KR100239315B1 (no)
CN (1) CN1036895C (no)
AT (1) ATE138557T1 (no)
AU (1) AU652463B2 (no)
BR (1) BR9202951A (no)
CA (1) CA2075095C (no)
CZ (1) CZ283212B6 (no)
DE (1) DE69211066T2 (no)
DK (1) DK0525913T3 (no)
ES (1) ES2090485T3 (no)
FI (1) FI923466A (no)
GR (1) GR1001863B (no)
HK (1) HK1007493A1 (no)
HU (1) HU212964B (no)
IE (1) IE922541A1 (no)
MX (1) MX9204292A (no)
MY (1) MY110516A (no)
NO (1) NO301214B1 (no)
NZ (1) NZ243659A (no)
PL (1) PL169998B1 (no)
PT (1) PT100739B (no)
RO (1) RO110299B1 (no)
RU (1) RU2089176C1 (no)
SK (1) SK279419B6 (no)
TR (1) TR27500A (no)
ZA (1) ZA925661B (no)

Families Citing this family (71)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5202112A (en) * 1991-08-01 1993-04-13 Colgate-Palmolive Company Viscoelastic dentifrice composition
US5334375A (en) * 1988-12-29 1994-08-02 Colgate Palmolive Company Antibacterial antiplaque oral composition
US5385729A (en) * 1991-08-01 1995-01-31 Colgate Palmolive Company Viscoelastic personal care composition
US20030036980A1 (en) * 2001-08-14 2003-02-20 Wren Stephen C. System for marketing goods and services utilizing computerized central and remote facilities
US5674474A (en) * 1994-04-25 1997-10-07 Colgate Palmolive Company SNF 2 gel of improved stand-up and stability
FR2729967A1 (fr) * 1995-01-30 1996-08-02 Oreal Compositions a base d'un systeme abrasif et d'un systeme tensio-actif
US6126922A (en) * 1995-11-17 2000-10-03 3M Innovative Properties Company Fluorid-releasing compositions and compositions with improved rheology
US5661221A (en) * 1996-12-18 1997-08-26 Colgate-Palmolive Company Process for the preparation of cross-linked maleic anhydride copolymers
US6258859B1 (en) 1997-06-10 2001-07-10 Rhodia, Inc. Viscoelastic surfactant fluids and related methods of use
US6241972B1 (en) * 1999-02-19 2001-06-05 Block Drug Company, Inc. Oral care formulation for the treatment of sensitivity teeth
US7041277B2 (en) * 2000-03-10 2006-05-09 Cadbury Adams Usa Llc Chewing gum and confectionery compositions with encapsulated stain removing agent compositions, and methods of making and using the same
KR20030005232A (ko) * 2000-03-23 2003-01-17 덴츠플라이 인터내셔널 인코포레이티드 치아 미백재료와 미백방법
US6692725B2 (en) 2001-02-19 2004-02-17 Daicel Chemical Industries, Ltd. Composition for oral care
WO2003035019A1 (fr) * 2001-10-25 2003-05-01 Kao Corporation Agent dentaire
US20030219487A1 (en) * 2002-02-28 2003-11-27 Liu Xiang Yang Process for the preparation of a small molecule gel via the addition of a branching additive
DE10245212B4 (de) * 2002-09-27 2008-01-03 Ivoclar Vivadent Ag Verwendung säurehaltiger Mittel zur Desensibilisierung von Zähnen
US7445769B2 (en) * 2002-10-31 2008-11-04 Cadbury Adams Usa Llc Compositions for removing stains from dental surfaces and methods of making and using the same
CN101683312B (zh) 2003-02-05 2013-01-16 Fmc有限公司 磨损性降低的牙膏组合物
US7390518B2 (en) * 2003-07-11 2008-06-24 Cadbury Adams Usa, Llc Stain removing chewing gum composition
US20080317681A1 (en) * 2003-07-11 2008-12-25 Petros Gebreselassie Compositions containing a stain removing complex, and methods of making and using the same
JP3847736B2 (ja) * 2003-08-04 2006-11-22 株式会社ジーシー ジェル状の歯牙用漂白材組成物
US20060263473A1 (en) * 2005-05-23 2006-11-23 Cadbury Adams Usa Llc Compressed delivery system for active components as part of an edible composition
US20060263474A1 (en) * 2005-05-23 2006-11-23 Cadbury Adams Usa Llc. Enhanced flavor-release comestible compositions and methods for same
US8389031B2 (en) * 2005-05-23 2013-03-05 Kraft Foods Global Brands Llc Coated delivery system for active components as part of an edible composition
US8389032B2 (en) * 2005-05-23 2013-03-05 Kraft Foods Global Brands Llc Delivery system for active components as part of an edible composition having selected particle size
US8591972B2 (en) * 2005-05-23 2013-11-26 Kraft Foods Global Brands Llc Delivery system for coated active components as part of an edible composition
US9271904B2 (en) * 2003-11-21 2016-03-01 Intercontinental Great Brands Llc Controlled release oral delivery systems
US8591973B2 (en) * 2005-05-23 2013-11-26 Kraft Foods Global Brands Llc Delivery system for active components and a material having preselected hydrophobicity as part of an edible composition
US8591968B2 (en) * 2005-05-23 2013-11-26 Kraft Foods Global Brands Llc Edible composition including a delivery system for active components
US8591974B2 (en) 2003-11-21 2013-11-26 Kraft Foods Global Brands Llc Delivery system for two or more active components as part of an edible composition
US20050112236A1 (en) * 2003-11-21 2005-05-26 Navroz Boghani Delivery system for active components as part of an edible composition having preselected tensile strength
US8597703B2 (en) * 2005-05-23 2013-12-03 Kraft Foods Global Brands Llc Delivery system for active components as part of an edible composition including a ratio of encapsulating material and active component
US20060019836A1 (en) * 2004-06-02 2006-01-26 Fang Li Multicomponent viscoelastic surfactant fluid and method of using as a fracturing fluid
US7772164B2 (en) * 2004-06-02 2010-08-10 Rhodia, Inc. Multicomponent viscoelastic surfactant fluid and method of using as a fracturing fluid
JP4548582B2 (ja) * 2004-06-22 2010-09-22 ライオン株式会社 歯牙美白用セット
US7641892B2 (en) * 2004-07-29 2010-01-05 Cadburry Adams USA, LLC Tooth whitening compositions and delivery systems therefor
US7727565B2 (en) 2004-08-25 2010-06-01 Cadbury Adams Usa Llc Liquid-filled chewing gum composition
US20060068059A1 (en) * 2004-09-30 2006-03-30 Cadbury Adams Usa Llc Encapsulated compositions and methods of preparation
US7955630B2 (en) * 2004-09-30 2011-06-07 Kraft Foods Global Brands Llc Thermally stable, high tensile strength encapsulated actives
US20060068058A1 (en) * 2004-09-30 2006-03-30 Cadbury Adams Usa Llc Thermally stable, high tensile strength encapsulation compositions for actives
US20060141039A1 (en) 2004-12-23 2006-06-29 Colgate-Palmolive Company Oral compositions containing oxidized camellia
US9198448B2 (en) 2005-02-07 2015-12-01 Intercontinental Great Brands Llc Stable tooth whitening gum with reactive ingredients
US7851005B2 (en) * 2005-05-23 2010-12-14 Cadbury Adams Usa Llc Taste potentiator compositions and beverages containing same
MX2007014636A (es) 2005-05-23 2008-01-22 Cadbury Adams Usa Llc Composiciones potenciadoras del sabor y bebidas que contienen las mismas.
US7851006B2 (en) * 2005-05-23 2010-12-14 Cadbury Adams Usa Llc Taste potentiator compositions and beverages containing same
US20070053972A1 (en) * 2005-09-08 2007-03-08 Cadbury Adams Usa Llc. Gelatin capsules containing actives
US20070178188A1 (en) * 2006-01-27 2007-08-02 Cadbury Adams Usa Llc Chewing gum compositions including free neotame sweetener compositions
US20070178187A1 (en) * 2006-01-27 2007-08-02 Cadbury Adams Usa Llc Chewing gum compositions including free neotame sweetener compositions
US20070218018A1 (en) * 2006-03-15 2007-09-20 Discus Dental Impressions, Inc. Sensitivity relief gel
US20090004360A1 (en) * 2007-05-14 2009-01-01 Cadbury Adams Usa Llc Taste Potentiator Compositions in Oral Delivery Systems
US8568697B2 (en) * 2008-03-21 2013-10-29 Colgate-Palmolive Company High fluoride ion recovery compositions
TWI396554B (zh) * 2009-05-26 2013-05-21 Colgate Palmolive Co 增進可溶性鋅的量之口腔保健調配物
CN102120167B (zh) 2009-09-18 2014-10-29 国际香料和香精公司 胶囊封装的活性材料
WO2012071577A2 (en) * 2010-11-25 2012-05-31 Zzakey Technologies Ltd. Biodegradable fire-fighting formulation
RU2559589C2 (ru) * 2010-12-23 2015-08-10 Колгейт-Палмолив Компани Водная композиция для ухода за полостью рта, включающая ксантановую камедь, целлюлозную камедь и карбомер
ES2656944T3 (es) 2011-04-29 2018-03-01 Intercontinental Great Brands Llc Ácido encapsulado, método de preparación del mismo, y goma de mascar que lo comprende
CN103702652A (zh) 2011-07-12 2014-04-02 荷兰联合利华有限公司 含有钙基磨料的牙膏
CN107648070A (zh) * 2011-12-15 2018-02-02 高露洁-棕榄公司 水性口腔护理组合物
MX352309B (es) * 2012-12-21 2017-11-17 Colgate Palmolive Co Pasta dental que no mancha.
JP6249642B2 (ja) * 2013-06-10 2017-12-20 花王株式会社 練歯磨組成物及び練歯磨組成物の製造方法
US10751260B2 (en) 2013-10-22 2020-08-25 Jag Mayer Pty Ltd Dispenser
BR112016026338B1 (pt) 2014-05-15 2020-07-14 The Procter & Gamble Company Composições para tratamento bucal tendo refrescância aprimorada
WO2018064284A1 (en) 2016-09-30 2018-04-05 Novaflux, Inc. Compositions for cleaning and decontamination
KR102206158B1 (ko) * 2017-10-31 2021-01-21 주식회사 엘지생활건강 늘어나는 성질 및 굳음성을 개선한 펌프형 치약 조성물
KR102232713B1 (ko) * 2017-10-30 2021-03-25 주식회사 엘지생활건강 펌프형 치약 조성물
EP3705112A4 (en) * 2017-10-30 2021-08-25 LG Household & Health Care Ltd. PUMP-LIKE TOOTHPASTE COMPOSITION
KR102315453B1 (ko) * 2017-10-31 2021-10-19 주식회사 엘지생활건강 늘어나는 성질 및 굳음성을 개선한 펌프형 치약 조성물
WO2019195403A1 (en) 2018-04-03 2019-10-10 Novaflux, Inc. Cleaning composition with superabsorbent polymer
GB201811065D0 (en) * 2018-07-05 2018-08-22 GlaxoSmithKline Consumer Healthcare UK IP Ltd Novel composition
CA3156824A1 (en) * 2019-10-03 2021-04-08 Novaflux Inc. Oral cavity cleaning composition, method, and apparatus
EP4065065A1 (en) 2019-11-28 2022-10-05 Unilever IP Holdings B.V. Antimicrobial compositions comprising modified clay and copolymers

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3963832A (en) * 1973-01-24 1976-06-15 Teijin Limited Liquid or pasty dentifrice and process for its preparation
US3956244A (en) * 1973-10-26 1976-05-11 N L Industries, Inc. Crosslinked vinyl acetate-maleic anhydride heteropolymers and derivatives prepared from them
US3940351A (en) * 1974-07-02 1976-02-24 The B. F. Goodrich Company Polymerization of carboxylic acid monomers and alkyl acrylate esters in chlorofluoroethane
US4208009A (en) * 1976-01-08 1980-06-17 Sweda International, Inc. Document reading system
DE2806098C2 (de) * 1978-02-14 1984-08-30 Hoechst Ag, 6230 Frankfurt Verwendung von vernetzten Polymeren zur Erhöhung der Viskosität bei kosmetischen, pharmazeutischen und technischen Präparaten
US5064553A (en) * 1989-05-18 1991-11-12 Colgate-Palmolive Co. Linear-viscoelastic aqueous liquid automatic dishwasher detergent composition
US4889712A (en) * 1986-03-20 1989-12-26 Colgate-Palmolive Company Anticalculus oral composition
US5192531A (en) * 1988-12-29 1993-03-09 Colgate-Palmolive Company Antibacterial antiplaque oral composition
US5032386A (en) * 1988-12-29 1991-07-16 Colgate-Palmolive Company Antiplaque antibacterial oral composition
US5188821A (en) * 1987-01-30 1993-02-23 Colgate-Palmolive Company Antibacterial antiplaque oral composition mouthwash or liquid dentifrice
US5180578A (en) * 1987-01-30 1993-01-19 Colgate-Palmolive Company Antibacterial antiplaque anticalculus oral composition
US5192530A (en) * 1987-01-30 1993-03-09 Colgate-Palmolive Company Antibacterial antiplaque oral composition
US5232621A (en) * 1987-09-29 1993-08-03 Colgate-Palmolive Company Linear viscoelastic gel compositions
CA1321115C (en) * 1987-12-30 1993-08-10 Robert Corring Gel detergent compositions
US5202112A (en) * 1991-08-01 1993-04-13 Colgate-Palmolive Company Viscoelastic dentifrice composition
US5034488A (en) * 1990-01-11 1991-07-23 Gaf Chemicals Corporation Slurry polymerization of crosslinked maleic anhydride-alkyl vinyl ether copolymers in a solvent system comprising a carboxylic acid ester and a saturated hydrocarbon
US5252313A (en) * 1991-12-20 1993-10-12 Colgate-Palmolive Company Visually clear gel dentifrice

Also Published As

Publication number Publication date
EP0525913A1 (en) 1993-02-03
CZ283212B6 (cs) 1998-02-18
SK279419B6 (sk) 1998-11-04
PL295484A1 (en) 1993-08-23
EP0525913B1 (en) 1996-05-29
PT100739A (pt) 1993-10-29
CA2075095C (en) 2002-07-23
MY110516A (en) 1998-07-31
RU2089176C1 (ru) 1997-09-10
SK233192A3 (en) 1995-05-10
IE922541A1 (en) 1993-02-10
CN1077113A (zh) 1993-10-13
NZ243659A (en) 1994-10-26
TR27500A (tr) 1995-06-07
DE69211066T2 (de) 1997-01-30
DE69211066D1 (de) 1996-07-04
MX9204292A (es) 1993-04-01
ES2090485T3 (es) 1996-10-16
NO923048L (no) 1993-02-02
NO923048D0 (no) 1992-07-31
CN1036895C (zh) 1998-01-07
KR930003899A (ko) 1993-03-22
GR920100345A (el) 1993-06-07
BR9202951A (pt) 1993-03-30
ATE138557T1 (de) 1996-06-15
FI923466A (fi) 1993-02-02
KR100239315B1 (ko) 2000-02-01
PL169998B1 (pl) 1996-09-30
US5300283A (en) 1994-04-05
GR1001863B (en) 1995-04-11
DK0525913T3 (da) 1996-10-14
AU652463B2 (en) 1994-08-25
HUT61892A (en) 1993-03-29
US5202112A (en) 1993-04-13
ZA925661B (en) 1994-01-28
NO301214B1 (no) 1997-09-29
HU212964B (en) 1996-12-30
FI923466A0 (fi) 1992-07-31
AU2076192A (en) 1993-02-04
JPH05194166A (ja) 1993-08-03
CZ233192A3 (en) 1993-02-17
CA2075095A1 (en) 1993-02-02
PT100739B (pt) 2000-04-28
RO110299B1 (ro) 1995-12-29

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Legal Events

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PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20050731