Hydrophilic biopolymeric copolyelectrolytes are prepared from (a) a water-soluble linear anionic protein polyelectrolyte component derived from keratin, such as ammonium keratinate, and (b) a water-soluble linear cationic biopolymer polyelectrolyte component derived from a glucosaminoglycan and/or collagen, such as chitosan acetate and/or collagen acetate. Hydrogel membranes formed from the copoly...

Hydrophilic biopolymeric copolyelectrolytes are prepared from (a) a water-soluble linear anionic protein polyelectrolyte component derived from keratin, such as ammonium keratinate, and (b) a water-soluble linear cationic biopolymer polyelectrolyte component derived from a glucosaminoglycan and/or collagen, such as chitosan acetate and/or collagen acetate. Hydrogel membranes formed from the copoly...

A tube end piece for a separately manufactured tube mantle and method for assembly. The solutions presented in prior art for providing tube mantles with an end piece are generally satisfactory, except that the number of manufacturing steps is large compared with conventional manufacturing methods. With the aid of this invention, one step at least can be eliminated in the joining of the end piece a...

A tube end piece for a separately manufactured tube mantle and method for assembly. The solutions presented in prior art for providing tube mantles with an end piece are generally satisfactory, except that the number of manufacturing steps is large compared with conventional manufacturing methods. With the aid of this invention, one step at least can be eliminated in the joining of the end piece a...

A tube end piece for a separately manufactured tube mantle and method for assembly. The solutions presented in prior art for providing tube mantles with an end piece are generally satisfactory, except that the number of manufacturing steps is large compared with conventional manufacturing methods. With the aid of this invention, one step at least can be eliminated in the joining of the end piece a...

The present invention relates to new immunoenzymic conjugates resulting from a chemical coupling, by covalent bond, of an antibody or a fragment of antibody, which has retained the capacity of recognizing the selected antigen, with an enzyme capable of producing ammonium ions from natural substrates which are well tolerated in higher animal organisms. The invention also relates to a process for th...

The present invention relates to new immunoenzymic conjugates resulting from a chemical coupling, by covalent bond, of an antibody or a fragment of antibody, which has retained the capacity of recognizing the selected antigen, with an enzyme capable of producing ammonium ions from natural substrates which are well tolerated in higher animal organisms. The invention also relates to a process for th...

A back reflector for a photovoltaic device includes a layer of highly reflective material (114), such as a highly reflective and conductive metal of copper, gold, silver, or aluminum, or alloys thereof. Between the layer (114) of highly reflective material and the semiconductor regions (116, 118, 120) of the device is a layer (115) of a transparent conductor. The transparent conductor (115) can be...

Sources of error connected with fluid surface tension in regard to the indicator are eliminated through both probe and indicator (4,5) being entirely in the fluid, the indicator having so little lifting force in the liq. that the fluid surface (6) above the probe is not capable of being broken. The fluid used is silicon oil, and the indicator (6) is of plastic such as polyethene with a density nea...

A procedure and device for reproducible production of text and image compositions through compilation of text and image films (21) to a larger montage following a given layout (24) with the help of a mounting table (1) equipped with a first ruler, called the vertical ruler (2), and a second ruler, called the horizontal ruler (3), at a right angle to the vertical ruler and able to slide parallel to...

An appliance is envisioned with a remote-release mechanism fig. 1, deployed on a fork truck's (2) fork-frame (3), with which the truck driver, from his position in the truck, can release a tipping container placed on the fork truck's lifting arms via an impulse from a pressure regulator (9), so that an implement (4) working with a linear action on the remote-release mechanism influences, by way of...

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The method is for processing a plate-shaped material with a porous surface, such as cardboard or plastics with extruded or apertures surface. The material surface is firstly pre-prepared by application of a foil-print type colour which quickly dries. After this, the surface has a final preparation with the application of a two-component clear lacquer.

A method and device for thickening mass or suspension by means of one rotating disk filter immersed in the mass or suspension where overpressure is applied to the outside of the plates' filter surface. Overpressure air is also used during filtration to loosen filtered mass from the plates' filter surface by directing overpressure air to a sector for each plate to be loosened. From there the air pe...

The present invention relates to a method and a device for collecting the heat energy in the ground water from a drilled well hole 2, whereby two pressure zones 4, 5 are established in the well hole 2 by shielding a lower well hole section 5 from an upper well hole section 4. By pumping up water from the lower hole section, a lower pressure is generated in same, providing a forced inflow of hot gr...

The chain construction has several links (1) and drive wheels (10). Each link is furnished with a notch (2) whose position depends on the chain's direction of rotation about the drive wheel, since the notches engage with pins (13) on the wheel. The notches are positioned eccentrically towards the rear of each link, whilst the pins are placed between two concentric parallel plates, the distance bet...

The appts. is based on probing and indicating fluid level in a partially filled container (1). A probe (4) is used in conjunction with an indicator (5) working with a scale (8). Both probe (4) and indicator (5) are entirely within the container (1). The container (5) is rotatably fixed to a rear plate (9), and the indicator (5) is movably attached and orientated around a fixed position (7) in the ...