A PROCESS FOR THE THERMOPLASTIC PROCESSING OF POLYURETHANES The present invention relates to a process for the thermoplastic processing of polyurethanes via the melt phase wherein said polyurethanes have a melt viscosity which is substantially independent of the molar ratio of isocyanate groups to active hydrogen containing groups. These polyurethanes comprise the reaction product of A) one or mor...

A method of effecting automatic callback in a mobile telecommunication system. A calling subscriber is permanently connected to a public switched telephone network and a called subscriber is a mobile unit which moves in the public land mobile network. A centrally located home location register keeps an account of where all mobiles registered in the mobile telecommunication network are located, wit...

The novel stabilised-viscosity adhesive agent and mortar additive with improved shelf life contains 92.0 M% or more, related to the total composition, of water, amorphous, finely divided silicon dioxide and at least one organic polymer dispersions with silicon dioxide and polymer dispersion together making +/- 6.0 M% of the mass of water, and 4.0 M% or less, related to the total composition, of no...

Copolymers built up essentially from the structural units A) B) a) and/or b) and/or c) C) and optionally D) a) and/or b) The copolymers can be used as dispersants for inorganic and organic substances, in particular as flow promoters for hydraulic binders.

A lightweight wallboard having a density in the range of 10 pcf to 30 pcf and comprised of a faced layer of expanded siliceous inorganic particles, such as expanded perlite, bonded together by inorganic binder, such as sodium silicate. The board is made by depositing a mixture (12) of particles, binder and water onto a moving web (34) of facing material, contacting the mixture with an upper moving...

Prosthesis comprising two plates (1, 2) secured to the corresponding vertebrae (L4, L5), and a ball joint linking the plates to one another, its centre of rotation (C), in an anterior-posterior plane (OX, OY) being offset rearwards in the posterior part of the plates. The ball joint with reference to a transversal plane (OX, OZ) is located substantially in the middle of the plates, and with refere...

The direct fitting of prostheses, prostheses consisting of an outer weight-bearing shell and an inner core in a light foam material, and a casting substance for use in the method and the prosthesis are described.

A primer comprises a liquid epoxy resin, a hydrophobic polyamine compound, a thixotropic agent and a silane coupling agent. After coating the primer on a wet concrete surface of a structure, a reinforced fiber sheet or similar material could be attached to the surface with a high level of adhesive strength without being influenced by the water. Thereinforced fiber sheet is impregnated with a matri...

A compound of formula where R<1> is hydrogen or a protecting group Q; R<2> is hydrogen, a C1-C8 aliphatic radical, a C6-C15 aromatic radical, a C3-C8 cycloaliphatic radical, a C7-C13 araliphatic radical, an alkali metal ion or an ammonium ion; R<3> and R<4> are independently hydrogen, halogen or hydroxy; R<5> is C6-C10 aryloxythiocarbonyloxy, the C6-C10 aryl group being unsubstituted or ...

The invention relates to methods that permit the rapid construction of oligosaccharides and other glycoconjugates. Methods for forming multiple glycosidic linkages in solution in a single step are disclosed. The invention takes advantage of the discovery that the relative reactivity of glycoside residues containing anomeric sulfoxides and nucleophilic functional groups can be controlled. In anothe...

PCT No. PCT/US94/00095 Sec. 371 Date Sep. 11, 1995 Sec. 102(e) Date Sep. 11, 1995 PCT Filed Jan. 6, 1994 PCT Pub. No. WO94/21657 PCT Pub. Date Sep. 29, 1994The present invention relates to C-20 olefin derivatives of 16-membered macrolide antibiotics repromicin, rosaramicin, 5-mycaminosyltylonolide, desmycosin, lactenocin, O-demethyllactenocin, 4'-deoxymycaminosyltylonolide and 23-deoxymycaminosylt...

The present invention provides antitumor fluoro-substituted 4'-demethylepipodophyllotoxin glucosides (I). wherein R<2> is H and R<1> is selected from the group consisting of (C1-10)alkyl; (C2-10)alkenyl; (C5-6)cycloalkyl; 2-furyl; 2-thienyl; (C6-10)aryl; (C7-14)aralkyl; and (C8-14)aralkenyl wherein each of the aromatic rings may be unsubstituted or substituted with one or more groups selec...

NUCLEOSIDE DERIVATIVES AND ANTI-HERPES COMPOSITION Disclosed is a novel nucleoside derivative showing anti-virus activities such as an anti-herpes activity and an anti-HIV activity. The nucleoside derivative has the formula (1-1) or (1-2): (1-1) (1-2) wherein A is a nitrogen atom-containing heterocyclic ring which is linked through nitrogen atom thereof; B is a hydrogen atom, a halogen...

A method and apparatus for encoding/decoding of background sounds. The background sounds are encoded/decoded in a digital frame based speech encoder/decoder. First, it is determined whether the signal that is directed to the encoder/decoder represents primarily speech or background sounds. When the signal directed to the encoder/decoder represents primarily background sounds, the temporal variatio...

A textile for fabric covering and process for its manufacture. It comprises a knitted or woven textile support (1) and at least one nonwoven sheet (2a or 2b). According to the invention the nonwoven sheet(s) (2a or 2b) is (are) bonded to the knitted or woven textile support (1) by needling using a fluid jet.

Aluminium-salt-impregnated fibres, preferably in the form of fluff, for use in absorption articles, such as diapers, incontinence guards, etc., which exhibit high aluminium contents and increased absorption rates and improved dispersion of liquid in horizontal and vertical directions in a layer comprising the fibres. The fibres, in the form of an aqueous suspension, are impregnated with aluminium ...

PCT No. PCT/EP93/00646 Sec. 371 Date Oct. 13, 1994 Sec. 102(e) Date Oct. 13, 1994 PCT Filed Mar. 18, 1993 PCT Pub. No. WO93/19023 PCT Pub. Date Sep. 30, 1993The subject matter comprises shaped mixtures of valuable materials for the stimulation and cultivation of plant growth, said materials containing plant nutrients and/or plant-protective agents in admixture with a thermoplastic binder. Accordin...

PCT No. PCT/EP93/00646 Sec. 371 Date Oct. 13, 1994 Sec. 102(e) Date Oct. 13, 1994 PCT Filed Mar. 18, 1993 PCT Pub. No. WO93/19023 PCT Pub. Date Sep. 30, 1993The subject matter comprises shaped mixtures of valuable materials for the stimulation and cultivation of plant growth, said materials containing plant nutrients and/or plant-protective agents in admixture with a thermoplastic binder. Accordin...

An apparatus is described for separating components of rubber vehicle tires. This apparatus has two, substantially parallel platforms, one above the other, and a means for varying the separation between them. A rubber tire to be processed is positioned on the lower platform on a rotatable portion thereof . The upper platform has mounted thereon a plurality of rotary nozzles through which highpress...

The invention relates to a conveyor having a frame and an endless drivable conveying means (2), provided with carriers (7) which extend parallel to each other, transversely to the conveying direction (A) of the conveyor, said carriers (7) being coupled to at least one endless flexible coupling means (2). Said carriers (7) support pusher shoes (18), which at desired locations are movable along the ...