Bei einem Rundfunkempfänger mit einer Einrichtung zum vorübergehenden Umschalten von einer empfangenen Frequenz auf eine andere Frequenz, wobei in die während des vorübergehenden Umschaltens unterbrochenen Audiosignale Ersatzsignale eingesetzt werden und die Ersatzsignale durch Verzögern eines jeweils vor dem vorübergehenden Umschalten empfangenen Signalabschnitts der Audiosignale gebildet werden,...

PCT No. PCT/GB93/01519 Sec. 371 Date Apr. 5, 1995 Sec. 102(e) Date Apr. 5, 1995 PCT Filed Jul. 20, 1993 PCT Pub. No. WO94/02412 PCT Pub. Date Feb. 3, 1994The invention provides a synthetic bone precursor material comprising amorphous calcium phosphate and a constituent that inhibits the crystallisation of calcium hydroxyapatite to amorphous calcium phosphate. The synthetic bone precursor may compr...

Xanthines of formula (I) and their optical isomers and acid-addn. salts are new: R1 = 1-6C alkyl, 3-4C alkenyl or 3-4C alkynyl; R2 = 1-6C alkyl, 3-4C alkenyl, 3-4C alkynyl or opt. substd. benzyl; R3 = (a) C-bonded satd. or unsatd. 5- to 7-membered heterocyclyl contg. one or more O and/or S atoms, opt. substd. by 1-6C alkyl, oxo, CHO, CH2OR4, CH2OR7, COOR4 or CONR5R6; where furyl and thienyl gps. a...

Disclosed are x-ray contrast compositions for oral or retrograde examination of the gastrointestinal tract comprising a polymeric material capable of forming a coating on the gastrointestinal tract, said polymeric material having atoms containing polarizable electrons thereon, in combination with a divalent cation, and an x-ray producing agent of the formula or a pharmaceutically acceptabl...

PCT No. PCT/GB90/01966 Sec. 371 Date Jul. 29, 1991 Sec. 102(e) Date Jul. 29, 1991 PCT Filed Dec. 17, 1990 PCT Pub. No. WO91/08989 PCT Pub. Date Jun. 27, 1991.A building product comprises slate particles e.g. flakes, slivers, chips, fragments, and/or powdered dust particles bonded together by a fused glassy binder.

A hydraulic calcium phosphate cement composition contains as main ingredients powders of calcium tertiary phosphate and calcium secondary phosphate with a molar ratio of Ca/P of 1.400 to 1.498. The calcium tertiary phosphate contains alpha -type calcium tertiary phosphate and beta -type calcium tertiary phosphate. The cement composition may contain a hardening liquid including water.

An exhaust gas filter for internal combustion engine and of honeycomb structure comprising a ceramic fiber and inorganic binder, the ceramic fiber consists mainly of Al2O3 and SiO2, the inorganic binder including Al2O3 and SiO2 to bind the said ceramic fiber, and the inorganic binder is of single glass phase or of mixed phase of a glass phase and a crystal phase keeping the same crystal structure ...

A combined metals and carbonaceous component removal process for contaminated wastewater is disclosed in which an iron salt is added to the aeration basin (14) of an aerobic biophysical treatment process which contains biological solids and powdered adsorbent. The iron removes metals contaminants by coprecipitation and the metals precipitate remains with the solids in the system. The biological or...

- The present invention relates to a modified, cross-linkable collagen soluble in water and/or in aprotic polar organic solvents and containing free or substituted thiol functional groups carried by residues of cysteine or its derivatives, the said residues being attached to the collagen, at least partly, via spacer compounds. - It also relates to processes for producing the said collagen. - Appli...

This invention relates to a method for purification of non-stoichiometric crystalline compounds by cycling said compound through successive steps of sublimation and crystallization. Purification can be accomplished by providing a vacuum chamber containing a cavity at the entry end, the exit end of which is open to the ambient. The vacuum chamber is charged at the entry end with the compound to be ...

A printer includes an inkjet pen (11) to eject ink drops for printing on the surface of a sheet (15), a carriage (13) mounted to carry the pen (11) back and forth on the sheet (15), and a skid-like spacer (21,31) to ride upon the printed surface. The spacer (21,31) maintains a preselected spacing between the pen (11) and the printed surface and, also, maintains paper flatness at the localized area...

Power semiconductor modules having plastic housings filled with casting compound can be severely deformed on curing and cooling by shrinkage of a hard casting compound used, causing an undesirable convex curvature of the housing base. The invention claims to provide a remedy by a suitable design of the plastic housing (1) in which the housing wall (17) is folded in such a way that an inner housing...

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...

with the stringer members (10) along bottom side portions thereof.

A joint prosthesis, for use in surgery, comprises two elongate members (1, 2) adapted to be fixed respectively to associated bones, e.g. to the humerus and to the ulna, the elongate members comprising complementary means (4, 5) for a hinged attachment (3) at respective ends thereof.

A lightweight concrete product in the form of a concrete roof tile is made from a cementitious mixture comprising a porous lightweight aggregate, an hydraulic cement, water, an agent for enhancing flexural strength and an agent for enhancing the water retention capacity of the lightweight aggregate, the proportions being such that the product has satisfactory impact and flexural strengths.

The process for making hollow elastic bodies, particularly balls and similar objects, consists in introducing a suitable dose of vinyl plastisol (7) into a mould (2) formed of two joined shells (2a,2b); in subjecting the said mould (2) to a first biaxial rotational moulding stage inside a heated chamber (9) heated to a temperature able to effect the gelling of the material introduced therein, dist...

In accordance with the present invention, a resume processing driver for an advanced microprocessor, such as the Intel 80386 operating in enhanced mode, is provided which saves data indicative of the operating conditions of the advanced microprocessor into system memory and then calls a previously existing resume processing routine designed for a previously existing operating system, such as MS-DO...

A wheel is produced by forming a nylon moulding which comprises a rim portion (10), hub portion (11) and webs (17) extending between the hub portion and the rim portion and then moulding an elastomeric composition in the spaces between the webs. The rim portion and the hub portion are more rigid than is the intermediate portion of the wheel and the intermediate portion absorbs shocks and reduces t...

An apparatus for generating electrolytic water, in which source water inside an electrolytic bath is separated into alkaline water and acidic water by supplying power to electrodes disposed inside the electrolytic bath. This apparatus includes detection means for detecting the quantity or pressure of source water introduced into the electrolytic bath, power regulation means for regulation power su...