La presente invención se refiere a un cuero que cuando menos en la región de una de sus superficies, tiene un recubrimiento que tapa el cuero básico, caracterizado porque el recubrimiento está formado como una capa recubridora que nivela las desigualdades en la región de una superficie del cuero básico, situada cerca de la misma, que cuando menos en la región de su superficie de capa recubridora, ...

PCT No. PCT/GB92/02327 Sec. 371 Date Aug. 16, 1994 Sec. 102(e) Date Aug. 16, 1994 PCT Filed Dec. 16, 1992 PCT Pub. No. WO93/11832 PCT Pub. Date Jun. 24, 1993.An exercise platform mounted on a support structure with a curved base, so that the platform can rock between two end positions. The platform being adapted so that a person can exercise thereon. The curved base ensures that the person maintai...

PURPOSE:To simplify the installation work for a coping by fixing the coping made of artificial marble which is previously molded into a necessary shape onto the top edge of an erected wall through an adhesive in dumpling form. CONSTITUTION:The surface of the top edge B of an erected wall A to be execution-carried out is cleaned. Then, an adhesive agent is prepared by mixing an agitating the crushe...

Formulation comprises a particulate medicament (I) e.g. salmeterol, salbutamol, fluticasone propionate, becolomethasone dipropionate and a fluorocarbon or hydrogen-contg chlorofluorocarbon propellant. Also claimed are the prepn of the surface-modified medicament and a canister for delivering metered doses of the aerosol formulation. Pref., (I) is salmeterol xinafoate (Ia); salbutamol sulphate; flu...

Foamed cellular material from polyester resins obtained by extrusion foaming of polyester resins having melt strength higher than 8 centinewton, intrinsic viscosity greater than 0.8 dl/g and complex melt viscosity higher than 25000 poises.

Broadly, the present invention is directed to improving a chemical vapor phase deposition (CVD) method for synthesis of diamond wherein a hydrocarbon/hydrogen gaseous mixture is subjected to a combustion flame in the presence of oxygen to at least partially decompose the gaseous mixture to form CVD diamond. The improvement in process comprises subjecting said combustion flame to one or more of die...

Acryl rubber foaming compositions comprising (A) an acrylic polymer prepared by copolymerizing an acrylate or methacrylate with a monomer having at least two aliphatic unsaturated bonds per molecule, (B) a pyrolytic organic foaming agent, and (C) an organic peroxide can be molded, cured and foamed into acryl rubber foams having improved heat insulation, heat resistance, weatherability, crack resis...

An improved method and apparatus for automatically controlling the direction of advance of a rotary drill (30) to produce a borehole profile substantially as preplanned with minimal curvature while maintaining optimum drilling performance. The preferred embodiment of the system comprises a drill string: a drill bit (30); means (21) for rotating said drill bit; means (24) for storing a planned path...

An improved method and apparatus for automatically controlling the direction of advanced of a rotary drill (30) to produce a borehole profile substantially as preplanned with minimal curvature while maintaining optimum drilling performance. The preferred embodiment of the system comprises a drill string; a drill bit (30); means (21) for rotating said drill bit; means (24) for storing a planned pat...

Masks used in the preparation and/or correction of printing plates are produces in sheet or strip format, comprising a support of transparent plastic material, an interfacing layer of adhesive applied to one face of the support, and a layer of film applied over the adhesive in such a way that the film and adhesive can be peeled off together; the composition of the film comprises a base polymer of...

A cold compactible polymeric powder capable of being compressed into a shaped article includes a polybenzimidazole containing powder having an apparent density ranging from about 0.14 to about 0.300 gm/cm3, a compaction constant ranging from about 0.100 to about 0.500 MPa-1, and a plasticizer content ranging from about 1 to about 25 weight percent The highly porous polymeric powders are preferably...

A computerized trading system provides centralized storage of images of gemstones and enables remote capture, access, and display of these images. A central unit (10) maintains a database of the images of an inventory of gemstones, together with related information, such as weight, color, clarity, and price for each gemstone. One or more remote capture units (20) (located for example at facilities...

La presente invención se refiere a una aleación de acero inoxidable endurecida espontáneamente que comprende de alrededor de 11 1/2 por ciento a aproximadamente 12 1/2 por ciento de cromo en peso, entre alrededor de 6.3 por ciento y aproximadamente 9.5 por ciento de níquel en peso, y aproximadamente de 3 a 4 por ciento de molibdeno y la combinación de titanio y tántalo variando de alrededor de 1.5...

Alkylene glycols are produced by the reaction of alkylene oxide with water in the presence of a metalate-containing solid wherein the metalate is in association with electropositive complexing sites on a solid support such as an anion exchange resin.

PCT No. PCT/SE87/00139 Sec. 371 Date Oct. 26, 1988 Sec. 102(e) Date Oct. 26, 1988 PCT Filed Mar. 18, 1987 PCT Pub. No. WO88/07225 PCT Pub. Date Sep. 22, 1988.Toner particles for electrophotographic copying and electrostatic printing consist of pigmented thermoplastic base particles having the surface covered with a thermoplastic fine-grained polymerizate. The base particles are prepared by suspens...

Abnormally lowered reduction in the rate of phosphorus removal from influent wastewater in an activated sludge system, occurring particularly following periods of increase in flow rate of wastewater entering the system, is avoided by controlling the maximum F/M in that portion of the system in which oxidation is occurring so as not to exceed 0.9 and maintaining a defined relation between the maxim...

PCT No. PCT/EP92/02785 Sec. 371 Date Jun. 7, 1994 Sec. 102(e) Date Jun. 7, 1994 PCT Filed Dec. 2, 1992 PCT Pub. No. WO93/12066 PCT Pub. Date Jun. 24, 1993.Pure, substantially neutral, low-volatile organic compounds including reactive double bonds are advantageously isolated from a liquid feedstock which contains said compounds in combination with acidic reaction components or auxiliary materials b...

The invention is a method for entraining gas in a liquid solution and an apparatus for practicing the method. In the method of theinvention, gas is introduced into a liquid solution being pumped through a conduit at the point of lowest absolute pressure in the system upstream of the pumping means. The gas is introduced into the liquid as bubbles or gas pockets with as small a diameter as is mechan...

Apparatus and methods involving the use of a prosthetic low pressure reservoir for joint fluid and removal of particulate debris from arthritic joints or joints containing artificial, man-made prostheses. The apparatus filters the fluid and traps any particles therein, thus removing them from the periprosthetic space. A communication is created between a space continuous with the articular surface...

For the preparation of a building and/or construction material a polymer modified, aqueous dispersion, containing amorphous silicon dioxide and at least one polymer, is mixed and reacted with at least one inorganic binder, and occasionally with at least one aggregate, and hardens thereby. The polymer modified, aqueous dispersion contains amorphous silicon dioxide and at least one polymer. This pol...