Abstract:
The utilization of copolymers obtained by means of radically initiated copolymerization of a) 80 to 99,5% vinyl acetate by weight and b) 0,5 to 20% by weight of a sulfonate group-carrying, mono-olefinically unsaturated monomer, as solubilizers for substances with low solubility in water.
Abstract:
The invention relates to a method for producing preparations of substances poorly soluble in water, wherein the poorly soluble substances are present amorphously embedded in a copolymer, and the copolymer is obtained by radically initiated polymerization of a mixture of i) 30 to 80 wt% N-vinyl lactam, ii) 10 to 50 wt% vinyl acetate, and iii) 10 to 50 wt% of a polyether, with the stipulation that the sum of the components i), ii), and iii) is equal to 100 wt%, wherein the embedding of the poorly soluble substance into the copolymer occurs at temperatures above the melting point of the poorly soluble substances.
Abstract:
The present invention relates to a powdery vitamin preparation, in which the vitamin has substantially a particle size of less than 0.7 µm and which contains an effective amount of propyl gallate. The invention also relates to methods for the production of said preparation, to preparations that can be obtained according to said methods and to their use as animal feed, food, food supplements, body care products or pharmaceutical agents. The preparations according to the invention have a stability that is improved compared to the prior art.
Abstract:
Sales poliméricas solubles en agua de fármacos difícilmente solubles en agua, compuestas por un polímerosoluble en agua con carácter aniónico, presentando el polímero con carácter aniónico un porcentaje demonómeros que portan grupos carboxilo de al menos el 40% en peso y en una disolución acuosa al 1% enpeso un valor de K según Fikentscher inferior a 90 y ascendiendo la solubilidad en agua en el intervalo depH de desde 3 hasta 11 a más del 10% (m/m), y un fármaco difícilmente soluble en agua con caráctercatiónico, presentando el fármaco en su forma no cargada o como hidrocloruro una solubilidad inferior al 0,1% (m/m) en agua, jugo gástrico o jugo intestinal artificial.
Abstract:
Use of water-soluble or water-dispersible copolymers obtained through radically-initiated polymerization of a mixture of i) 30 to 80 wt.-% of N-vinyl lactam, ii) 10 to 50 wt.-% of vinyl acetate and iii) 10 to 50 wt.-% of a polyether as a binder for the manufacture of dosing forms comprising solid active ingredients, said copolymers being conditioned in that the total of i), ii) and iii) is equal to 100 wt.-%.
Abstract:
The invention relates to a pharmaceutical formulation in the form of compacts containing a) 60 - 97 % by weight of sugar or sugar alcohols, b) 1 - 25 % by weight of a disintegration agent selected from the group consisting of croscarmellose, sodium carboxymethyl starch and L-hydroxypropyl cellulose, c) 1 - 15 % by weight of water insoluble film-forming polymers, d) 0 - 15 % by weight of water-soluble polymers, and e) 0 - 15 % by weight of additional conventional pharmaceutical adjuvants, the sum of the components a) to e) totalling 100 % by weight.
Abstract:
The invention relates to a pharmaceutical formulation in the form of agglomerates containing A) an adjuvant consisting of a) 60 - 97 % by weight of sugar or sugar alcohols, b) 1 - 25 % by weight of a disintegration agent c)1 - 15 % by weight of water insoluble, film-forming polymers d) 0 -15 % by weight of water soluble polymers, and e) 0 - 15 % by weight of additional conventional pharmaceutical adjuvants, the sum of the components a) to e) totalling 100 % by weight, and B) at least one active ingredient.
Abstract:
Vinyllactam copolymers modified with polyalkylene oxide side-chains, and use thereof as solubilizers for substances which are sparingly soluble in water, and preparations comprising such copolymers.
Abstract:
La invención se refiere a una formulación farmacéutica en forma de aglomerados, que contiene A) un adyuvante que consiste de a) 60-97% en peso de azúcar o alcoholes de azúcar, b) 1-25% en peso de un agente de desintegración, c) 1-15% en peso de polímeros formadores de película, insolubles en agua, d) 0-15% en peso de polímeros solubles en agua, y e) 0-15% en peso de adyuvantes farmacéuticos convencionales adicionales, la suma de los componentes a) hasta e) forman un total de 100% en peso, y B) por lo menos un ingrediente activo.
Abstract:
FORMULACIÓN PULVERULENTA DE VITAMINA DONDE LA VITAMINA ESENCIALMENTE TIENE TAMAÑO DE PARTÍCULA MENOR A 0,7 µM, QUE COMPRENDE UNA CANTIDAD EFICAZ DE GALATO DE PROPILO, PROCESOS PARA PRODUCIRLA, FORMULACIONES QUE PUEDEN OBTENERSE MEDIANTE ESTOS PROCESOS Y SU UTILIZACIÓN COMO ALIMENTO PARA ANIMALES, ALIMENTOS, SUPLEMENTOS ALIMENTICIOS, PRODUCTOS PARA CUIDADO PERSONAL O COMPOSICIONES FARMACÉUTICAS. LAS FORMULACIONES DE LA INVENCIÓN TIENEN ESTABILIDAD MEJORADA EN COMPARACIÓN CON LA TÉCNICA ANTERIOR.