A process for the rapid post curing of polyether polyurethane foam in the form of porous blocks in which the foam is subjected to a mixture of water vapor and gaseous ammonia, primary or secondary amines at a temperature of about 50 DEG to 150 DEG F. for a period of 1 or more minutes. The cured foam recovers its original dimensions when distorted or compressed after the distortion or compression...

An inductance element for use in a microwave integrated circuit for processing high-frequency signals ranging from hundreds of MHz to tens of GHz. A conductor wiring in the form of a thin film is formed by sputtering or the like on a semi-insulating compound semiconductor substrate of GaAs for instance. This conductor wiring is about 2 - 20 .mu.m wide. The intersection between a lead wire from the...

PCT No. PCT/NL86/00019 Sec. 371 Date Apr. 17, 1987 Sec. 102(e) Date Apr. 17, 1987 PCT Filed Jul. 10, 1986 PCT Pub. No. WO87/00563 PCT Pub. Date Jan. 29, 1987.The present invention is directed towards a method and apparatus for treating materials consisting of a plurality of monofiliments with a treating agent. The treating agent is suspended in streams which are directed to the material from vario...

A compound of formula: wherein one of R1 and R2 represents a group of formula: W(CF2)m- where W represents an atom of hydrogen, fluorine or chlorine and m has the value one or two, and the other of R1 and R2 represents an atom of fluorine, chlorine or bromine or a group of formula: where each of X, Y and Z independently represents an atom of hydrogen, fluorine or chlorine, a...

This invention related to a new water resistant combination used for soil or aggregate stabilization. More precisely, this invention relates to a new water resistant stabilizing agent usefull in a variety of applications, chiefly for the stabilization of the base or sub-base of roads.

A data processing system includes a central processing unit (CPU), a main memory unit, and input/output (I/O) sockets, each adapted to receive a selected one of a plurality of different and/or similar option cards. Each card contains (or is connected to) and controls a respective peripheral device, and each card is pre-wired with an ID value corresponding to its card type. Programmable option regi...

Deuterated aromatic aldehydes of the formula: where Ar is substituted phenyl, and derivatives thereof represented by the formula: where Ar is substituted or unsubstituted phenyl, and X1 and X2 are substituted hetero atoms or together with the carbon to which they are attached form a heterocycle. These compounds are useful as anticancer agents.

A process for preparing a sucrose fatty acid ester having a low degree of substitution, comprising heat-melting a sucrose fatty acid ester (A) having an average degree of substitution of from 3 to 8 and sucrose or a sucrose fatty acid ester (B) having a lower degree of substitution than that of said sucrose fatty acid ester (A) in the presence of an alkali catalyst and a soap; and a process for pr...

Ivermectin, an antiparasitic agent which is insoluble and unstable in water, and other avermectin and milbemycin compounds, are formulated in glycerol formal and propylene glycol or in water and propylene glycol. These liquid formulations are suitable for parenteral administration for the treatment of parasitic infections and demonstrate improved efficacy and a broadened spectrum over previous for...

The invention relates to a combination of a wire reel (8), on which a wire can be wound, and an attachment (1) to be provided on said reel. The attachment comprises an elongated carrying part, which, in mounted condition on the reel, extends transversely to the wire to be wound up. When being wound up the wire to be wound up will come to lie on the carrying part, said carrying part being provided ...

Vinyl monomer compositions having accelerated surface cure characteristics are described. These compositions are prepared from a vinyl monomer or monomer mixtures such as blend of isobornyl methacrylate and hydroxypropyl methacrylate, a bulk phase polymerization catalyst system, a polyvalent metal oxidative surface phase catalyst, and a diolefin rubber dispersed in the vinyl monomer as a surface c...

La presente invención se refiere a un método para producir un cuerpo autoportante, CARACTERIZADO porque comprende: seleccionar un metal madre; calentar dicho metal madre en una atmósfera sustancialmente inerte hasta una temperatura por sobre su punto de fusión para formar un cuerpo de metal madre en fusión; poner en contacto dicho cuerpo de metal madre fundido con una masa permeable que comprende ...

La presente invención se refiere a un método para producir un cuerpo compuesto autoportante, que comprende producir un primer cuerpo compuesto, CARACTERIZADO por los pasos de: selección de un metal madre; calentar dicho metal madre en una atmósfera sustancialmente inerte a una temperatura superior a su punto de fusión para formar un cuerpo de metal en fusión y poner en contacto dicho cuerpo de met...

La presente invención se refiere a un método para producir un cuerpo autosoportante caracterizado porque comprende; mezclar u metal madre en partículas, por lo menos en una porción de un material de carburo de boro y hacer reaccionar el metal madre en partículas con el material de carburo de boro, en un atmósfera sustancialmente inerte para formar por lo menos un compuesto que contiene boro y cont...

A process and an apparatus for monitoring or determining the mechanical and electrical synchronization tolerances in the angular drive chain of an element such as a weapon or a range finder, to be trained upon a target point by a periscope whose line of sight is directed to the target point by a reflector which is angulariy displaced. The periscope, which can be the command periscope of a military...

LAWN MOWER A braking system for a rotary mower comprises a brake element which is secured to an impeller and is urged by a spring into braking engagement with a fixed brake friction member. On start up of a motor of the mower, rotation of the impeller causes axial movement of the brake element against the spring out of braking engagement. Movement of the brake element may be assisted by mechanical...

The invention provides a releasable adhesive joint between two elements. The two elements are fixed to each other by means of an adhesive bead or by means of two or more adhesive beads. The adhesive joint comprises a heatable separating member closely fitting the adhesive bead or embedded in the adhesive bead, or closely fitting or embedded in one of the adhesive beads. The heatable separating mem...

Production of a polyurethane embedding material from an aromatic diisocyanate in stoichiometric excess with a polyol mixture consisting essentially of castor oil and trimethylolpropane to first form a prepolymer containing unreacted isocyanate groups and being sufficiently flowable to permit coating onto membrane surfaces in all types of coating methods, and subsequently hardening the prepolymer b...

The closure device has a closure membrane (4) which is fitted into a can body (2) and which is subdivided into a first membrane part (8) and a second membrane part (12). The first membrane part (8) engages over the can edge (6) and the second membrane part (12) covers the can opening. The membrane parts (8, 12) are glued into the can body (2) at a spacing (a). The separation of the closure membran...

1528284 Gain control SONY CORP 31 March 1976 [9 April 1975] 13038/76 Heading H3T In a radio receiver having an r.f. stage 1 and an i.f. mixer and amplifier stage 2, gain control is provided by an attenuator comprising a plurality of series resistors 84, 85 and a plurality of variable shunt impedances 81, 82, 83 controlled by the a.g. c. signal. A further resistor may be connected between the tunin...