Abstract: A process for producing foamed concrete includes introducing air pores into aqueous concrete compositions by one or more air pore formers and/or by introducing air. The aqueous concrete compositions are based on one or more foam stabilizers, one or more protective colloid-stabilized polymers of ethylenically unsaturated monomers in the form of aqueous dispersions or water-redispersible powders, 30% to 95% by weight of cement, based on the dry weight of the components for production of the concrete compositions, optionally one or more fillers, and optionally one or more additives.

Abstract: An instrument for intraocular surgical procedure comprises a handle, a probe designed as a hollow body connected to the handle, and a core arranged in the probe, with an active element at the end for removing impurities from the eye, wherein either the probe is displaceable at least partially out of the handle and into it with respect to the core firmly connected to the handle, or the core is slidable at least partially out of the handle and into it with respect to the probe firmly connected to the handle, so that the core with the active element is completely within the probe or protrudes from the probe by a predetermined length, with an actuating device for actuating the probe or core being provided in the handle.

Abstract: The invention relates to a device for providing and inserting a transplant or implant into a human or animal body, more particularly for ophthalmological operations, preferably for performing a lamellar keratoplasty, such as a DMEK operation, comprising a cartridge (1) or sleeve, which has a holding region (2) for the transplant or implant and two opposite end openings (3, 4) each fluidically connected to the holding region (2), wherein the first opening (3) has a larger diameter than the second opening (4) and wherein, in order to produce a fluidic connection between the holding region (2) and a syringe (5), both openings (3, 4) can be coupled to the syringe (5) directly or by means of a connecting apparatus.

Abstract: A method of producing composites from inorganic materials by processing with thermoplastic forming techniques mixtures containing one or more inorganic, fine residual materials and one or more polymers based on ethylenically unsaturated monomers in the form of protective colloid-stabilized, water-redispersible polymer powders, wherein the inorganic, fine residual materials are based on inorganic materials selected from the group consisting of gypsum, lime, talc, silicas, kaolins, silicates and titanium dioxide, and wherein the composites are based on from 5 to 80% by weight of polymers based on ethylenically unsaturated monomers and from 20 to 95% by weight of inorganic, fine residual materials, based on the total weight of polymer based on ethylenically unsaturated monomers and inorganic, fine residual materials.

Abstract: The invention relates to shaped bodies having high thermooxidative stability, which can be produced by means of direct forming and hot compression molding processes, and to a novel polyimide powder for production thereof and to a process for production of this polyimide powder.

Abstract: The invention provides methods for producing sheetlike structures or shaped articles that comprise latent heat storage media, characterized in that mixtures comprising one or more microcapsules which contain one or more latent heat storage media, and one or more polymers based on one or more ethylenically unsaturated monomers selected from the group consisting of vinyl esters, (meth)acrylic esters, vinylaromatics, olefins, 1,3-dienes and vinyl halides, are processed by means of thermoplastic shaping techniques.

Abstract: The invention provides methods for producing sheetlike structures or shaped articles that comprise latent heat storage media, characterized in that mixtures comprising one or more microcapsules which contain one or more latent heat storage media, and one or more polymers based on one or more ethylenically unsaturated monomers selected from the group consisting of vinyl esters, (meth)acrylic esters, vinylaromatics, olefins, 1,3-dienes and vinyl halides, are processed by means of thermoplastic shaping techniques.

Abstract: The invention relates to shaped bodies having high thermooxidative stability, which can be produced by means of direct forming and hot compression moulding processes, and to a novel polyimide powder for production thereof and to a process for production of this polyimide powder.

Abstract: The invention relates to the use of inorganic materials for producing composites, characterized in that mixtures containing one or more inorganic, fine residual materials and one or more polymers based on ethylenically unsaturated monomers are processed by means of thermoplastic forming techniques.

Abstract: A method for producing helically wound filament elements, and filament elnts produced according to this method. The method is distinguished in that a thermal treatment of the incandescent wire at temperatures of over 1200.degree. C. takes place already before the winding of the incandescent wire, so that, after separation, the coil springs open and can easily be detached from the core wire.

Abstract: To eliminate the necessity of a separate base for a pinch-sealed lamp having a glass bulb, a sleeve (11) made of the same material as the bulb (1) of the lamp, is formed on an extension of the pinch seal (6), the sleeve retaining a contact element (13) secured in the sleeve, for example by molten glass. The contact element (13) extends essentially transverse to a longitudinal axis (A) of the lamp, is recessed within the interior of the sleeve (11) and preferably has a circumference, which is spaced from said axis (A) by circumferentially different distances, optionally in accordance with a mathematical function which, further optionally, is a periodic function, wherein the minimum spacing of the circumference of said contact element from the axis (A) is less than the inner radius of the sleeve (11).

Abstract: To positively locate a filament (5, 22) in position within a bulb (2) of a halogen incandescent lamp, the walls of the bulb are deformed at selected points along the length of the filament within the bulb to define at least three inwardly projecting dimples which just barely engage, or engage, the filament. Preferably, the filament is formed with a connecting portion (7) in the region of engagement, which connecting portion is either straight, coiled with a very steep pitch, or, if the filament is double-coiled, only single-coiled. The connecting portion (7) may be electrically short-circuited by a core pin (39). If the bulb is single-ended (FIG. 3), a return lead (29) along the wall of the bulb, can be pinched between adjacent walls (45) of adjacent dimples. The dimples, looked at from the outside of the lamp, are essentially funnel-shaped and, in cross section, may be circular, or if space between adjacent dimples is insufficient, may be elliptical.