摘要:
Solid preparations are obtainable by melt extrusion ofA) at least one active compound,B) a mixture ofB1) from 10 to 90% by weight of a water-soluble, thermoplastic polymer, andB2) from 10 to 90% by weight of a low-substituted hydroxypropylcellulose, andC) from 0 to 50% by weight, based on the total amount of the preparation, of customary pharmaceutical auxiliaries.
摘要:
A fluidized-bed process for preparing hydrogen peroxide, C.sub.1 -C.sub.4 -monopercarboxylic acids and C.sub.4 -C.sub.18 -dipercarboxylic acid complexes in which a solution of hydrogen peroxide, a C.sub.1 -C.sub.4 -monopercarboxylic acid, a C.sub.4 -C.sub.18 -dipercarboxylic acid or a mixture thereof in water or carboxylic acids is applied to a pulverulent or pregranulated matrix and fluidized-bed drying takes place.
摘要:
Transparent rapid release active substance compositions obtainable by extrusion of melts, containing non-steroidal analgesics, homopolymers of N-vinylpyrrolidone, saccharides or sugar alcohols and sodium or potassium salts.
摘要:
Iodophore containing a) 20-71% by weight of PVP or poly-N-vinylcaprolactam, b) 20-71% by weight of dextrin of DE 2-40, c) 6-25% by weight of elemental iodine, d) 3-12.5% by weight of iodide ions, and process for its preparation are disclosed.
摘要:
Pyrrolidonyl-containing polyesters and polyamides I to III ##STR1## where R, X, A and Z are defined herein, are suitable as film formers and conditioners in hair-cosmetic formulations, for stabilizing hydrogen-peroxide in aqueous solution, for complexing iodine, as tablet binders and as a constituent of film coatings in pharmaceutical preparations, for enzyme and bleach stabilization in detergent formulations, as an auxiliary in the production and finishing of textiles, as a solubilizer and protective colloid in the preparation and stabilization of polymer dispersions, and as an adhesive raw material.
摘要:
The use of sulfonate-bearing polyamides which are obtainable from A.sub.1) from 20 to 99 mol % of a monoaminocarboxylic acid having 2 to 12 C atoms or its lactam, A.sub.2) from 0.5 to 40 mol % of a diamine having 2 to 18 C atoms, A.sub.3) from 0.5 to 25 mol % of a sulfonate-bearing dicarboxylic acid having 4 to 12 C atoms, and A.sub.4) from 0 to 35 mol % of a further dicarboxylic acid having 2 to 16 C atoms, as film-forming agents in hairsetting compositions is described.
摘要:
The present invention relates to the use of polyamides in cosmetics which carry sulfonate groups and are obtainable fromA.sub.1) from 0 to 19.9 mol-% of at least one monoaminocarboxylic acid having 2 to 12 carbon atoms, its lactam, or monoaminocarboxylic acid/lactam mixtures,A.sub.2) from 40.05 to 50 mol-% of at least one diamine having 2 to 18 carbon atoms,A.sub.3) from 0.5 to 49.5 mol-% of at least one dicarboxylic acid having 4 to 12 carbon atoms which carries sulfonate groups, andA.sub.4) from 0.5 to 49.5 mol-% of at least one further dicarboxylic acid having 2 to 16 carbon atoms, and cosmetic compositions containing said polyamides.
摘要:
Solid drug forms obtainable by extrusion of a melt comprising, besides one or more active substances, a mixture of homo- and/or copolymers of N-vinylpyrrolidone and degraded starches.
摘要:
A process for preparing a free-flowing redispersible powder composed of a vinyl-pyrrolidone/vinyl acetate copolymer containing 15-40% by weight of vinylpyrrolidone units wherein the mixture of the monomers is copolymerized in organic solution, the resulting solution is, after addition of a surfactant, subjected to replacement of the solvent by water, and the resulting dispersion is spray- or freeze-dried, and the use of the redispersible powder for producing paints and coating compositions, glues and adhesives and, in particular, the matrix and/or coating of solid slow-release pharma-ceutical forms and of hair-spray formulations are described.