This invention relates to a solar system for fluid heating (liquids and gases), comprising a series of solar heaters which may be connected to thermotanks depending on the energetic application. An efficient, economic and easy to manufacture environmental friendly solar system is provided, which heats fluids for both domestic and industrial energetic applications, such as water heating, heating sy...

The invention relates to new pyrazolylpyrazoles of general formula I in which R<1>, R<2>, R<3>, R<4> and R<5> have the meanings given in the description, processes for their preparation as well as intermediates, and their use as herbicides.

PCT No. PCT/EP94/04126 Sec. 371 Date Sep. 25, 1996 Sec. 102(e) Date Sep. 25, 1996 PCT Filed Dec. 13, 1994 PCT Pub. No. WO95/17255 PCT Pub. Date Jun. 29, 1995The set-up times can be optimized as well as the costs for the production of the individual parts can be decreased with a comminution machine, where the rotor (2) includes active and inactive wear parts (7, 8), of which at least the inactive w...

A copolymer reaction product of a salt of a quaternary acrylate and a polyalkylene glycol acrylate. The copolymer is useful as an anti-static agent in anti-static varnish compositions for packaging gravure printing.

There is now provided a solvent cement having a total of less than 80 weight percent of solvents and a thermoplastic polyurethane elastomer as at least one of the resins dissolved in the solvent. The solvent mixture contains at least a 5- or 6-membered water miscible lactone of lactam such as N-methyl-2-pyrrolidone (NPM) in an amount of 21 weight percent or less based on the weight of all the ingr...

The invention is a system (100) and method (500) for managing a resource shared by a plurality of autonomous vehicles (103). Each vehicle (103) includes a navigator (120) for causing the vehicle (103) to travel a specified route to the resource and for generating a queue position request upon approach to the resource. A queue or fle manager (102) establishes a queue to control access to the resour...

The present invention relates to benzimidazole derivatives and their use in medical therapy particularly for the treatment or prophylaxis of virus infections such as those caused by herpes viruses. The invention also relates to the preparation of the benzimidazole derivatives and pharmaceutical formulations containing them.

Apparatus for the detection of defects in a moving band, characterised in that it comprises optical means (25, 27) for inspection of the lower face and optical means (29, 31) for inspection of the upper face of the band, separate optical means (33, 34) for detection of the edges of the band, electronic means (35, 36) for indication of defects associated respectively with the optical means (25, 27,...

A fluid dispensing system for delivering sterile preservative free solution is disclosed. The system uses double self-sealing valves mounted in series inside a tip compartment which fits on the outlet of a multiple dosage squeeze container to prevent undesirable retrograde flow of the dispensed liquid back into the bottle during the decompression cycle. The valves used are positive acting, normall...

Glass fibres are sized with a compsn. contg.: (A) an alkane-polyglycidyl ether; (B) a coupling agent; and (C) a tacky film-forming agent.

PCT No. PCT/GB95/01150 Sec. 371 Date Feb. 24, 1997 Sec. 102(e) Date Feb. 24, 1997 PCT Filed May 22, 1995 PCT Pub. No. WO96/00835 PCT Pub. Date Jan. 11, 1996Apparatus and method of isolating a well to allow intervention equipment to be installed in the upper section of tubing and surface equipment to be tested prior to running in the well is described which enables a surface test tree to be leak-of...

The present invention discloses a process for forming minimum density moulded bodies from high density pre-foamed polyolefin particles. This is achieved by a process wherein polyolefin particles that have been shrunk down to 30 to 95 percent of their original volume are used, which are treated with an inert gas for a predetermined period of time, at a temperature which is at least 20 degree C bell...

Process for the batchwise preparation of poly-p-phenylene terephthalamide polymer by means of reacting approximately equimolar amounts of p-phenylene diamine and terephthaloyl dichloride in a solution containing N-mhyl-2-pyrrolidone and calcium chloride, with the reaction being carried out in a cylindrical reaction vessel equipped with a single mixing gear used as stirrer and granulator, the conte...

The invention is concerned with a process for the production of a suspension of cellulose in a liquid, aqueous tertiary amine-oxide, wherein shredded cellulose is mixed with the liquid, aqueous tertiary amine-oxide, said process comprising: (A) contacting the shredded cellulose with the liquid, aqueous tertiary amine-oxide, a first mixture being prepared, and (B) spreading this first mixture mecha...

A process for making a polyethylene having long chain branching by providing ethylene and optionally an alpha olefin having 3 to 18 carbon atoms in a reaction zone containing a metallocene polymerization catalyst under polymerization conditions in the presence of a hydrocarbon interlinking compound in an amount sufficient to provide chain entanglement or long chain branching.

PCT No. PCT/EP95/02259 Sec. 371 Date Dec. 20, 1996 Sec. 102(e) Date Dec. 20, 1996 PCT Filed Jun. 12, 1995 PCT Pub. No. WO95/35345 PCT Pub. Date Dec. 28, 1995Plastisol compositions based on vinyl chloride/vinyl acetate copolymers produced by suspension polymerization have a low viscosity, even with low polymer-to-plasticizer ratios, so that they may be used for plastisol formulations suitable for a...

Floorings and flooring compositions containing a plasticised, preferably recovered, PVB resin are disclosed. In a more preferred aspect of the technology, the floorings and the corresponding compositions contain a major amount of a second compatible resin such as a non-plasticised PVB, and also a major amount of a composition inert filler. The floorings made in accordance with the technology herei...

The procedure, eg for applying a layer of safety glass (21) to one face (1) of a liquid crystal cell equipped with a polarising plastic layer (15), uses a supple, transparent and double-sided adhesive film which is rolled out so that the safety glass can be stuck progressively to it, with any air bubbles removed in front of the contact line. The assembled layers are compressed between two rollers ...

Each pump (e.g. D1) is equipped with a TV monitor (E1). A video message (Mo) composed at an editing station (10) is stored in analogue memory (11) e.g. on video tape, digitised (121) and compressed (122) for filing (M1). The file is transmitted e.g. on diskette or CD-ROM to the various filling stations where a computer (21) stores (210) the received messages and relays them through a demultiplexer...

The flat screen is made up of micro-point cathode (1) and rear anode (2) separated by a vacuum gap (4). The rear screen is shorter than the front, and has a longitudinally side mounted tubular section (7). One end of the tubular section is attached to a pump to form a vacuum between the screens, and after pumping is completed a larger getter section (5) can be inserted to maintain the vacuum. Ligh...