PE20020139A1

PE20020139A1 - ORAL CLEANING COMPOSITION BASED ON SILICA AND PHYTIC ACID

Info

Publication number: PE20020139A1
Application number: PE2001000644A
Authority: PE
Inventors: Vincent Bercovici; Kieran John Michael Madigan; Robert Francis Date; Christopher David White
Original assignee: Procter & Gamble
Priority date: 2000-06-30
Filing date: 2001-06-28
Publication date: 2002-03-05
Also published as: WO2002002060A2; WO2002002060A3; GB0016067D0; AU2001270235A1

Abstract

QUE COMPRENDE: A) DE 1% A 95% DE SILICA PRECIPITADA DE BAJA ESTRUCTURA, DONDE MAS DE UN 2% SON AGLOMERADOS, QUE TIENE UN VALOR MEDIO (VM) DE TAMANO DE PARTICULA DE 8 µm A 14µm, UNA ABSORCION DE ACEITE DE 60 cm ³/100g A 120 cm ³/100g; Y, UN VOLUMEN VACIO DE INTRUSION DE MERCURIO (IHg) DE 1 cm³/g A 4 cm³/g; Y CUANDO ESTA FORMULADA EN EL DENTRIFICO, POSEE UNA RELACION DE LIMPIEZA DE LA PELICULA (RLP), DE 70 A 140 Y UN VALOR DE ABRASION RADIACTIVA DE LA DENTINA (ARD) DE 60 A 130, DONDE LA RELACION DE RLP AL ARD ES DE AL MENOS 1:1; ASIMISMO, POSEE UN AREA SUPERFICIAL BET DE 50 m²/g A 250 m²/g; UN pH DE UNA MEZCLA ACUOSA AL 5% DE 4 A 8,5; ESTANDO, SUS PARTICULAS MAS PEQUENAS ADHERIDAS COHESIVAMENTE ENTRE SI POR UNION FISICA, PARA QUE ESTEN DENTRO DEL VM DEL TAMANO DE PARTICULA; B) DE 0,1% A 20% DE UN COMPUESTO DE ACIDO FITICO; C) DE 0,1% A 99% DE UN VEHICULO ORALMENTE ACEPTABLE; D) UNA FUENTE DE IONES FLUORURO, SELECCIONADO DE FLUORURO DE SODIO, FLUORURO DE POTASIO, ENTRE OTROS; E) DE 0,1% A 2,5% DE UN AGENTE QUELANTE SELECCIONADO DE ACIDO TARTARICO Y SALES DEL MISMO; ACIDO CITRICO Y CITRATOS DE LOS METALES ALCALINOS Y MEZCLAS DE ELLOS; F) UN AGENTE ANTICALCULO SELECCIONADO DE POLIFOSFATOS, POLIFOSFONATOS, PIROFOSFATOS Y MEZCLAS DE ELLOS; G) UN ACEITE DE SILICONA TAL COMO UN COPOLIOL DE DIMETICONA; Y, H)UN AGENTE ANTIMICROBIANO NO CATIONICO TAL COMO TRICLOSANWHICH INCLUDES: A) FROM 1% TO 95% OF LOW STRUCTURE PRECIPITATED SILICA, WHERE MORE THAN 2% ARE AGGLOMERATED, WHICH HAS AN AVERAGE VALUE (VM) OF PARTICLE SIZE OF 8 µm TO 14 µm, AN OIL ABSORPTION OF 60 cm³ / 100g to 120 cm³ / 100g; AND, AN EMPTY VOLUME OF MERCURY INTRUSION (IHg) OF 1 cm³ / g TO 4 cm³ / g; AND WHEN IT IS FORMULATED IN THE TOOTH, IT HAS A FILM CLEANING RATIO (RLP), OF 70 TO 140 AND A RADIOACTIVE DENTINE ABRASION VALUE (ARD) OF 60 TO 130, WHERE THE RLP TO ARD IS OF AT LEAST 1: 1; ALSO, IT HAS A BET SURFACE AREA FROM 50 m² / g TO 250 m² / g; A pH OF A 5% AQUEOUS MIXTURE OF 4 TO 8.5; BEING, ITS SMALLER PARTICLES COHESIVELY ADHERED TO EACH OTHER BY PHYSICAL UNION, SO THAT THEY ARE WITHIN THE VM OF THE PARTICLE SIZE; B) FROM 0.1% TO 20% OF A COMPOUND OF PHYTIC ACID; C) FROM 0.1% TO 99% OF AN ORALLY ACCEPTABLE VEHICLE; D) A SOURCE OF FLUORIDE IONS, SELECTED FROM SODIUM FLUORIDE, POTASSIUM FLUORIDE, AMONG OTHERS; E) FROM 0.1% TO 2.5% OF A SELECTED CHELATING AGENT OF TARTARIC ACID AND SALTS OF THE SAME; CITRIC ACID AND CITRATES OF THE ALKALINE METALS AND MIXTURES OF THEM; F) A SELECTED ANTI-CALCULATION AGENT OF POLYPHOSPHATES, POLYPHOSPHONATES, PYROPHOSPHATES AND MIXTURES OF THEM; G) A SILICONE OIL SUCH AS A DIMETICONE COPOLIOL; AND, H) A NON-CATIONIC ANTIMICROBIAL AGENT SUCH AS TRICLOSAN