A flame retardant composition that is composed of red phosphorus and melamine or a derivative thereof in amounts satisfying a specified ratio for use in the production of polyurethanes. The polyurethanes produced with this flame retardant composition are particularly useful in the production of rail vehicles.

The present invention provides a polyarylate film comprising 9,9-bis(alkyl-4-hydroxyphenyl)fluorene residue and bisphenol residue with a molar ratio of the former of in the range of 0.05 to 1 in which the carboxylic acid component is composed of terephthalic acid residue and isophthalic acid residue, wherein the polyarylate film having good abrasion resistance and heat resistance, being highly tra...

This invention relates to a polyester composition containing particles of a cross-linked polymer having an ester bond in the principal chain. These particles have excellent affinity for polyester. Accordingly, in a film molded from polyester containing these particles, the particles hardly come off during a high-speed travelling of the film, and flaws ascribed to the particles also hardly occur on...

A thermoplastic polyurethane pellet comprising a thermoplastic body, thermally expandable micropsheres and a binding agent.

A glucose sensor system comprising the steps of using as a sample discriminating parameter a ratio (I/ DELTA I) of a measured current value I to the time-differential value of the current value DELTA I, defining a discrimination function that discriminates whether a sample is blood or control fluid and uses the discriminating parameter as an independent variable, quantitating as a discriminating...

computer engineering for catering enterprises. SUBSTANCE: signal including data on dishes and amount of each dish available at catering enterprise by the moment is proposed to be entered in terminal mounted on catering enterprise end, which is then conveyed to display terminal provided on fast-food point end that displays data received on display panel. Signal displaying data on ordered dishes and...

superconductor synchronous machines for cryogenic power engineering and aerospace engineering. SUBSTANCE: machine using three-dimensional high-temperature superconductors depending for their operation on frozen-in magnetic flux has stator with laminated core carrying multiphase and multipole winding; cylindrical rotor in the form of salient-pole ferromagnetic core with field coils on its poles. Co...

A charge assembly for use in a cutter for splitting couplings used in joining together lengths of buried pipe is provided that allows several explosive charge segments to be used instead of a single explosive charge. The smaller explosive charge segments utilize less explosive material which complies with applicable shipping regulations. The charge assembly has an elongate charge housing with an o...

A gear wheel 1 having at least one vibration damping mass 8 and coupling means 9,11,12 or 13 for coupling the vibration damping mass 8 to the gear wheel 1, such that the full face of the vibration damping mass 8 is in contact with the gear wheel 1 and the vibration damping mass 8 is forced against the gear wheel 1 with a selected contact pressure. As a result the known use of adhesive to make an a...

A sensor apparatus particularly for borehole or other remote location use can measure multiple parameters with no electronics in the apparatus and only a single conductor cable. Double-ended tuning forks 26, 28 and 38, 40 in the head are arranged to respond to different parameters such as temperature and pressure by adjusting their resonant frequencies. A drive signal on the conductor 50 is applie...

In an anonymous trading system orders are input into the system from trader terminals 33 each of which are connected to a bank node 32, and each of which receive a market view prepared by a market distributor 30. The market distributors are connected between an arbitrator 12, 14, 16, 18 and the bank node. A number of arbitrators are arranged as a clique and perform order matching and deal executio...

A method of using metadata to generate an e-mail alert on an internet includes the steps of establishing a user profile containing an interest preference from a predetermined list of interest preferences, receiving a document, filtering metadata embedded within the document and comparing the interest preference in the user profile with the filtered document metadata. The comparison step may be fol...

The invention provides a system and method for facilitating on-line shopping. A list of goods or services purchased during a particular customer visit is stored in electronic form and a receipt of that transaction is generated, in electronic or paper form, with the code thereon. For a subsequent purchase, such as on-line, the customer can provide the code, which re-generates the list of goods or s...

Apparatus for verifying the identity of an entity comprises a database storing, for each of a plurality of entities, identification information for identifying the entity, and verification information for verifying the identity of the entity. This information can be used for verifying the identities of both parties to a commercial transaction, e.g. an EPOS transaction or electronic commerce over t...

The invention relates to a method for controlling access to a telecommunicated data file and is suited to applications where the content provider requires payment for releasing the file to a recipient. An encrypted version of the data file is associated with a toll server software device, and both are uploaded to a network, e.g. the Internet. A recipient requiring access to the data file downloads...

A computer network is provided comprising a plurality of user stations (1-3), a plurality of mail servers (5-9) and a communications network (4) for transmitting messages (e.g. e-mail) between the servers and user stations. Some of the servers (8,9) have filter data stored therein for selecting messages to be forwarded to user stations in dependence on filter criteria specified by the users. When ...

A system for marking and filing documents comprises a number of document marking sites each having at least one means 59 for marking a document with a coded message (Figure 3), representative of the information on the page, affixed to each page of the document, a number of filing sites 83 each having at least one computer 85, and a data centre 51 having a number of computers 65 coupled to both the...

To acquire data such as the flow rate of various phases of a fluid flowing in a hydrocarbon well ( 12 ) in production, in particular in an inclined or horizontal portion of the well, both the local speed of the fluid and the proportions of the various phases are determined in each of at least two distinct regions of the well that are not in alignment with one another parallel to the axis of the we...

Apparatus for monitoring a reservoir comprises; an elongate substantially rigid electrically insulating support structure (3) for insertion into a well (2) ; a transmitter coil (4) and separate receiver coil (4) carried on said structure; and means for; energising the transmitter coil to induce a magnetic field in the reservoir; and processing (7) a signal received on the receiving coil to give a ...

A method for performing laser treatment of biological tissues is performed by cooling a selected portion of the biological tissue for a predetermined first time period to establish a predetermined nonequilibrium dynamic temperature gradient through the tissue so that substantially only the selected portion of the biological tissue is cooled by a predetermined minimum temperature drop. The temperat...