An additive composition for use in fuel to be combusted in an internal combustion engine, the composition comprising, in admixture form: a) between about 0.05 and 25% relative weight parts of an organic peroxide, and b) between about 0.1 and 25% relative weight parts of a detergent selected from the component group that consists of: i) fatty amines ii) ethoxylated and propoxylated derivati...

An ORI control additive is produced by reacting a polybutenyl succinic anhydride having a molecular weight of 500 to 10,000 with a polyoxyalkylene diamine. The anhydride and diamine are reacted at a temperature from 163 to 191 DEG C, the infra red absorbancy of the reaction mixture is monitored, (preferably at 1705 cm<-><1>), and the reaction is stopped when the absorbancies are equivalent at two ...

In the production of plaster articles, for example, dental dies and moulds, powdered gypsum (calcium sulphate) is mixed with an aqueous solution of boric acid and/or silicic acid. By incorporating boric acid and/or silicic acid in the mix, the hardness and setting characteristics of the mix are improved. In a typical application the concentration of boric acid in the aqueous solution is from 0.3 t...

A dental preparation is disclosed which comprises a (meth-)acrylate ester of the general formula wherein R1 is the same or different and represents a hydrogen or fluorine group R2 is the same or different and represents a hydrogen or methyl group, a has a value of 0, 1, 2, 3 or 4, b has an average value of 2 to 30, n has an average value of 4 to 12 and m has an average value of 3 to 14...

In an electronic article surveillance system, a low-power supply is used to power the system during ordinary search-and-detect operation, and the increased power needed to transmit high-power signals for deactivating the tag circuit is produced by charging up a rechargable storage device, such as a capacitor or rechargable battery, in the intervals between deactivations and using the charged-up st...

A small-sized thin frequency sensor developed for prevention of theft of an article. The frequency sensor comprises a receiving antenna portion to receive high frequency waves, and a transmitting antenna portion which is shaped into a closed loop with a diode incorporated therein and is disposed linearly to the receiving antenna portion to form an oblong rectangular contour as a whole.

A packaged substrate inspecting apparatus comprises an imaging device for picking up images of substrates. Land images are extracted from the image of a non-packaged substrate and that of a packaged substrate. On the basis of the shapes of the land extracted from the non-packaged substrate and those of the packaged substrate, positional relationship between a part mounted on the packaged substrate...

A method of controlling fungal or bacterial growth in a synthetic metalworkig fluid comprising the addition to said fluid of (a1) 5-chloro-2-methyl-4-isothiazolin-3-one and (a2) 2-methyl-4-isothiazolin-3-one and (b) an ionene polymer wherein the ratio by weight of the sum of components (a1) and (a2) to component (b) is form 1:99 to 99:1 and wherein the amounts of the components are synergisti...

PURPOSE:To prevent the occurrence of breakdown in reception decoding processing operation by defining difference between time during which the data of n-pieces of continuous encoded frames are written in a receiving buffer and time required for reading them. CONSTITUTION:When the equivalent buffer capacity of a receiving side is made B, the decoding frame rate of a decoding part 5 is P, the time f...

PROCESS AND COMPOSITION FOR MECHANICAL WORKING OF ALUMINUM AND ALUMINUM ALLOYS Process and composition for mechanical working of aluminum and aluminum alloys in the presence of an aqueous stable cooling lubricant solution consisting essentially of: (a) a carboxylic acid having a hydrophobic group of from about seven to about fourteen carbon atoms and (b) a tertiary alkylalkanolamine having a molec...

A process for separating and recovering dissolved, precipitatable metals, in particular heavy metals, from aqueous solutions, in particular wastewaters, is proposed, in which the solutions are altered in their pH and/or in their redox potential in order to form precipitation products of these metals, the precipitation products are concentrated and are separated off as an aqueous suspension, and th...

A method and composition are provided for creating smooth surfaces on building structures, particularly concrete structures. A first constituent is prepared by mixing together quantities of acrylic mortar admix, concrete plaster adhesive, joint compound, hydrated lime and water. The first constituent is mixed with Portland cement at the construction site. The resultant mixture is smoothed onto con...

Moldable shrunken foam beads comprising a foamable thermoplastic polymer, preferably a silane-crosslinked polyolefin foam, are produced by mixing a composition comprising a silane-modified polyolefin (such as a silane-grafted polyethylene) and a silanol condensation catalyst in an extruder to produce a melt, then projecting a blowing agent into the melt at a rate effective to produce a desired foa...

In a fast power semiconductor circuit with a gate turn-off component in the form of a large-area semiconductor substrate (9) and a drive circuit, which is connected to gate and cathode of the component and generates a current pulse suitable for turning off the component, a low-inductive connection is realized between component and drive circuit by a stripline (28) in the form of a metal-laminated ...

In a data processing system having a plurality of non-homogeneous central processing units, apparatus is disclosed that permits a central processing unit not having mechanisms for protection of the allocation of resources to be coupled to the data processing system while preserving a peer relationship among the central processing units. The protection apparatus is interposed between the coupled ce...

Improved methods and operating systems for use with a multi-mode microprocessor enable efficient operation in a multi-mode environment. Preferred embodiments for use with microprocessors which were not designed to switch from each mode to another mode enable multi-tasking of a mixture of programs written for different modes using the mode switching methods of the present invention. Frequently used...

An intraocular lens having a lens base and a coating layer disposed on or otherwise operably associated with a first surface of the lens base. The coating layer is formed by, for example, plasma polymerization of a monomer gas while simultaneously sublimating or evaporating an ultraviolet absorber, thereby forming an intraocular lens which absorbs ultraviolet rays and prevents any free monomer or ...

The present invention provides additives for hydraulic cement compositions, particularly masonry cements, which improve the water-repellancy, workability, and board life of said compositions. The additives of the invention comprise a water-insoluble, water-repelling acid, a set retarding composition, an emulsifier, and a polymer selected from the group consisting of polyvinyl alcohol, polyvinyl ac...

PURPOSE:To suppress the change in the positions of eyes and of head of a driver or a passenger due to the change in tilting angle of a seat back by providing a seat cushion height adjusting mechanism for changing a seated height of a seat cushion interlocking with the change in tilting angle of the seat back. CONSTITUTION:For a seat for automobile provided with a seat cushion 10 that can be freely...

PURPOSE:To easily and securely execute the input operation of various edition information and to easily confirm a designated area by providing a cursor part, display part and function key in a position indicator. CONSTITUTION:A position indicator 5 is connected to a digitizer 3 by a cord 7 and out of one end of a main body, a cursor part 8 is projected. Then, on the upper surface of the main body,...