Disclosed is a method for stopping and starting a reactor equipped with a heat exchanger, a catalyst settler, a catalyst filter and the like, which method is suitable for use in a process for the preparation of acrylamide by reacting acrylonitrile with water in the presence of a metallic copper-based catalyst used as a suspended bed. According to this method, various undesired phenomena which may ...

2103790 9214784 PCTABS00015 Heat sealable compositions suitable for film and film structures comprise: (a) from 30 to 70 weight percent of a low melting polymer comprising an ethylene based copolymer having a density of from 0.88 g/cm3 to 0.915 g/cm3, a melt index of from 1.5 dg/min to 7.5 dg/min, a molecular weight distribution no greater than 3.5, and a composition distribution breath index grea...

A device is described for transferring liquids between flexible containers and vials, comprising a canule partially surrounded by a plastic piece and protruding laterally toward the inside of a thickening intended for engaging to a vial, sliding at the other end inside a piece which protects said protruding part of the needle and at its free end applied to a flexible container.

An insert member for use in a hose connection which is of asymmetric construction and is outwardly flared at one end and inwardly bent at the other to be able to be located precisely in relation to a collar or shoulder on a nipple onto which a hose is to be securely fastened. One or several circumferential inwardly pressed grooves are provided in the main surface portion of the insert member. The ...

COATED METAL FASTENER AND COATING COMPOSITION THEREFOR A coated metal fastener and a coating composition that has particular affinity for plaster materials and the like is disclosed. The composition that is applied to the fastener contains a copolymer of styrene and maleic anhydride and a thermoplastic resin, preferably polyvinyl acetate, in an inert organic solvent. The organic solvent can be an ...

A dispenser system for razor blade units, including a dispenser housing in which the razor blade units are successively and displaceably disposed. Via a handle that is provided with a latching mechanism that cooperates with the razor blade units, the razor blade units can be removed from the dispenser housing one at a time. To simplify securement of the handle to a razor blade unit that is to be r...

A system and method are described which provide for fast sequential access of stored data, as required, for example, in the performance of multiply/accumulate operations in neural network calculations and other sequential computations. The system includes a video dynamic random access memory (VRAM) (17) with a shift register (41), a digital signal processor (DSP) (13), and a data/address/control b...

2104391 9214423 PCTABS00015 Artificial disk implant and methods for implanting same, the implant having a member (32, 34, 36, 77, 92, 94) for adapting in size and shape to the anatomical space between vertebrae, and apparatus (25, 42, 60, 112) for expanding the implant in the middle portion thereof to conform to the space. In one embodiment, there is provided an artificial intervertebral disk impl...

Abdominal ultrasound imaging is carried out by oral or rectal administration of an aqeuous imaging composition containing micron size inorganic particles together with a sufficient amount of a solubilized hydrocolloid to maintain the particles in suspension. The walls of the stomach, duodenum and colon become coated with the particles and are thereby more clearly delineated by the ultrasonic imagi...

ABDOMINAL ULSTRASOUND IMAGING Abdominal ultrasound imaging is carried out by oral or rectal administration of an aqueous imaging composition containing micron size inorganic particles together with a sufficient amount of a solubilized hydrocolloid to maintain the particles in suspension. The walls of the stomach, duodenum and colon become coated with the particles and are thereby more clearly deli...

A window frame and sash combination having an exterior side and an interior side for providing pressure equilization between the window frame and sash on the exterior side thereof comprising a vent and drain channel extending along the inner perimeter of the window frame adjacent the exterior side of the sash, and sealing and latching means on each side of the sash adjacent the window frame for la...

Embossing a web between unmatched male and female embossing elements, wherein the sidewall slope of the female element is greater than the sidewall slope of the male element, provides an embossed web having markedly improved embossing pattern definition and, in the case of roll products, greater roll bulk at equivalent roll firmness. The unmatched male and female embossing elements are preferably ...