PURPOSE:To form a thin resin plate and to prevent the infiltration of air by slightly shifting the end faces of two sheets of transparent substrates over the entire circumference and sealing the end faces across the transparent electrode surface of the substrate having the exposed transparent electrode surface and the outer surface of the other substrate. CONSTITUTION:The resin plate for optical m...

PURPOSE:To facilitate the implantation of electrons from an electrode to a luminous layer and reduce the voltage of driving voltage by interposing semiconductive layers between a transparent electrode and a first insulating layer and between a back plate and a second insulating layer. CONSTITUTION:First and second semiconductive layers 3, 7 are formed of a material semi-insulated by thermally trea...

PURPOSE:To form a thin film EL panel with a simple process, a low manufacturing cost and a good yield by collectively etching a metal laminated film in which a metal film mainly containing Ni is laminated on a metal film mainly containing Al by use of a solution consisting of phosphoric acid, ferric chloride and nitric acid. CONSTITUTION:An ITO transparent conductive film 2 is formed on a glass ba...

An actuator is described for a disc brake system of the type which includes a piston whose front end is pressed against a disc by pressured hydraulic fluid that is applied to the rear of the piston and that is prevented from leaking by an elastomeric seal extending around the middle of the piston, which minimizes heating of the seal and hydraulic fluid. The piston is hollow, and has internal walls...

A portable exercise device for strengthening abdominal muscles is provided which can be operated by an individual exercising on a mattress and box spring, or the like combinaton, without requiring additional assistance during the exercise routine. The device may be easily unfolded for use, and following use, it may be refolded and conveniently stored. The device at one end is folded for securement...

Water is separated from aqueous mixtures of organic oxygenates such as isopropanol by pervaporation through a non-porous separating membrane of a blend of polyvinyl alcohol and a polyacrylic acid mounted on a polysulfone porous support layer.

A process for the heavy-metal decontamination of contaminated substances such as natural and industrial sludges, thermal residues and soils. The contaminated starting substance is treated with an acid and the dissolved metal salts are precipitated as metal hydroxides in the pH range of about 3.5-11. The exact control of the pH value makes it possible to isolate individual metal fractions which can...

This invention relates to para-aramide particles. More particularly, the invention concerns a process for flash spinning such particles from a mixture of poly(paraphenylene terephthalamide), carbon dioxide and water.

PCT No. PCT/US88/00868 Sec. 371 Date May 11, 1988 Sec. 102(e) Date May 11, 1988 PCT Filed Mar. 7, 1988.A multitude of non-tacky coated pellets containing a pharmaceutical preparation is housed within a breakable packet which, when broken, enables ready removal of the pellets for the oral administration of the preparation to a patient. The packet includes a bendable backing sheet and a fracturable ...

A lightsafe masking film is disclosed which comprises a substrate, a pressure sensitive adhesive layer formed on the substrate, and a lightsafe, peelable layer formed on the adhesive layer and including a dialkyl phthalate, nitrocellulose, a lightsafe colorant and, optionally, a filler and a nitrile rubber. The peelable layer further suitably contains a dialkyl ester of an aliphatic dicarboxylic a...

A resin composition comprising a copolymer (A) having carbon-carbon unsaturated bonds in its side chains, particularly that obtained by reacting a copolymer of alkyl (meth)acrylate (0-50 mole %), hydroxy (meth)acrylate (10-50 mole %) and ethylenic unsaturated monomer (0 to 90 mole %) with an unsaturated carboxylic acid or an anhydride thereof, and a monomer (B) copolymerizable with (A) is suitable...

Strongly exothermally setting urea-formaldehyde resin obtained by condensation of urea with formaldehyde under alkaline conditions, obtained by (a) condensation in a first condensation stage I of 0.2 to 0.7, preferably 0.5, moles of urea with 1.2 to 3 moles preferably 1.7 to 2.2, of formaldehyde in the form of solid paraformaldehyde, under exclusively alkaline conditions, at a spontaneuously estab...

A combination of 10-80% by volume of reinforcing fibres and 20-90% by volume of thermoplastic fibres or films suitable to be formed into a composite structure, the thermoplastic fibres or films essentially consisting of an amorphous copolyamide built up of units derived from at least two different dicarboxylic acids and at least two different diamines, of which the divalent aromatic radicals are l...

A new stable liquid suspension of water soluble polymer, and a method of preparation are provided. Such compositions comprise of at least an iso-parrafinic oil medium, one styrene/isoprene copolymer, a water soluble polymer and preferably some hydrophobic fumed silica mixed together in the appropriate quantities and conditions.

An easily-slidable polyarylene thioether film for magnetic recording materials, capacitor films, insulator films, printer tapes and photographic films comprises as the base resin, a polyarylene thioether mainly composed of repeating units of formula: does not contain a substantial amount of powdery lubricant and has at least one surface with an arithmetic average roughness Ra of from 2 to 2...

Polyester fiberfill having spiral crimp that is randomly-arranged and entangled in the form of fiberballs with binder fibers, preferably with a minimum of hairs extending from the surface of the fiberballs, so as to be air-transportable on account of the low cohesion between the balls. A process for making such fiberballs by repeatedly air-tumbling small tufts of such fiberfill/binder/blend agains...

The use in conventional polyolefin extrusion foaming processes of a stability control agent (e.g., stearamide, EAA copolymer, etc.) in conjunction with certain mixed blowing agent systems, the mixed blowing agent system containing 60-95 weight percent of 1-chloro-1,1-difluoroethane or 60-95 weight percent of 1,1-difluoroethane. These compounds have a shorter atmospheric lifetime and lower stabilit...

PURPOSE:To continuously and stably grow a crystal for a long time by irradiating a raw material rod with a laser beam having specified intensity distribution to melt the rod, pulling up a crystal from a melt zone, growing the crystal and then forcedly cooling the crystal. CONSTITUTION:A lower shaft 3 capable of being rotated and vertically moved by a controller 11 is arranged in a growth chamber 1...

PURPOSE:To obtain an oxide superconducting material convertible into an n-type superconducting material using an electron as a carrier by forming a Tl-Nd-Ba-Cu-O type multiple oxide having a specified compsn. CONSTITUTION:A multiple oxide represented by a formula TlHNdJBaKCuLOM (where 0.5<=H<=3, 0.1<=J<=4, 1<=K<=3, 0.5<=L<=5 and 5<=M<=15) is incorporated to obtain an oxide superconducting material...

PURPOSE:To increase superconducting critical temp. and to reduce sintering temp. by substituting a specified alkali metal for part of Tl in a Tl-Ba-Ca-Cu oxide superconductor. CONSTITUTION:This oxide superconductor has a basic compsn. obtd. by partially substituting at least one kind of alkali metal (A) selected among K, Rb and Cs for Tl and represented by a formula (Tl1-yAy)mBa2-Can-1CunOx (where...