Abstract: The present invention relates to a process for the production of lenticular tablets by melt calendering in which molding rolls with depressions in the shape of segments of an ellipsoid are used. The process according to the invention affords tablets which are easily deflashed and in which the tablet residue to be abraded when there is a displacement between the upper and lower half of the tablet is small.

Abstract: The present invention relates to a process for producing multilayer, solid drug forms for oral or rectal administration, which comprises coextrusion of at least two compositions which in each case comprise a thermoplastic, pharmacologically acceptable polymeric binder which is soluble or swellable in a physiological environment, and at least one of which contains a pharmaceutical active ingredient, and shaping the coextruded multilayer material to the required drug form.

Abstract: Shaped articles which are suitable as biocidal depth-type filters and consist of fibrous materials and particles, embedded therein, of crosslinked crospovidone-iodine or crospovidone-hydrogen peroxide.

Abstract: 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.

Abstract: Solid drug forms are produced by mixing and melting at least one pharmacologically acceptable polymeric binder and at least one pharmaceutical active ingredient, with or without conventional pharmaceutical additives, in the absence of a solvent to give a plastic mixture and shaping the mixture to the required drug form by extrusion, where the shaping takes place in two steps, with the extrudate being broken into shaped articles in a first step, and these shaped articles being rounded off in a second step in the plastic state.

Abstract: 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.

Abstract: A process for the production of divisible tablets by melt calendering in which two molding rolls are combined together, at least one of which has depressions with at least one bar which extends up to the surface line of the molding roll and forms a score.

Abstract: A process for producing solid combination tablets which have at least two phases comprises molding a melt of a polymeric binder with or without at least one active ingredient, there being at least one solid product, which may contain an active ingredient incorporated into the still plastic composition during the molding step.

Abstract: A process for preparing salts of pharmaceutical active substances which have acidic groups by reacting the carboxylic acids with a base in the melt, wherein the acids are reacted with at least the stoichiometric amount of a base in an extruder.

Abstract: Polymer complexes which comprises hydrogen peroxide, a polymer suitable for complex formation with hydrogen peroxide, and at least one metal colloid and/or metal salt are prepared as described and used in bactericidal compositions, disinfectant systems, hair cosmetic compositions and as free-radical initiators for chemical reactions.

Abstract: 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.

Abstract: 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.

Abstract: A process for preparing polymers comprising peroxycarboxyl groups, wherein a suspension of a polymer comprising monoolefinically unsaturated dicarboxylic anhydride basic building blocks is mixed with hydrogen peroxide in an inert diluent.

Abstract: The present invention is a process for the production of covered tablets by melt calendering in which the melt containing active ingredient is introduced between two sheets of the covering material into the molding rolls.

Abstract: 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.

Abstract: The use of sulfonate-bearing polyamides which are obtainable fromA.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, andA.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.

Abstract: A process for preparing polymers comprising peroxycarboxyl groups, wherein a suspension of a polymer comprising monoolefinically unsaturated dicarboxylic anhydride basic building blocks is mixed with hydrogen peroxide in an inert diluent.

Abstract: 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.

Abstract: A process for producing active substance compositions in the form of a solid solution of the active substance in a polymer matrix, which comprises melt extrusion of the active substance in nonionic form together with a polymer and a salt.

Abstract: Iodophore containinga) 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.