Gillis Herbert Russell, Postema Aaldrik Roelf, Stanssens Drik, Randall David, de Vos Rik: Method for preparing polymeric foams and chemical compositions used therefor.. Ici, August 12, 1992: EP0498628-A1 (18 worldwide citation)

A method for the preparation of rigid foams by reacting an organic polyisocyanate with an isocyanate-reactive material in the presence of a blowing promoter characterised in that the isocyanate-reactive material comprises at least one isocyanate-reactive cyclic carbonate or isocyanate-reactive cycli ...

Hindmarsh Eric, Parker David, Turner John Arthur: Process for the production of terephthalic acid.. Ici, August 12, 1992: EP0498591-A2 (18 worldwide citation)

Terephthalic acid is produced by oxidation of para xylene, purified in an aqueous phase and recovered by precipitating a purified product from the aqueous phase, the aqueous phase mother liquor is then cooled or evaporated to produce a further less pure precipitate and a second mother liquor and the ...

Tada Tetsuya: A pump dispenser and a primary valve thereof.. Tada Tetsuya, August 12, 1992: EP0498275-A1 (18 worldwide citation)

A primary valve (46) is made of elastic material and consists of a tubular valve body (48) and a flared body (50) integrally formed together with the valve body (48), and flaring outwardly thereof so as to cause elasticity. The flared body (50) is provided at an end thereof with a flange (50a) which ...

Blauvelt Henry A, Loboda Howard L, Frame John S: Predistorter for linearization of electronic and optical signals.. Ortel, August 12, 1992: EP0498456-A1 (17 worldwide citation)

An electronic circuit provides a linear output from an amplitude modulated transmission device such as a semiconductor laser which has inherent distortion. The distortion of the nonlinear device is compensated by applying a predistorted signal equal in magnitude and opposite in sign to the distortio ...

Custro Sergio Dr, Viola Gian Tommaso Dr: Hydrogenated block copolymers containing epoxy groups.. Enichem Elastomers, August 12, 1992: EP0498426-A1 (17 worldwide citation)

Described are epoxidized linear or branched block copolymers, which can be defined by the following formulae: [A-(E-B-EPOX)]nX (I> [(E1-B1-EPOX1)-HT-A-(E2-B2-EPOX2)]nX (II> A1-(E1-B1-EPOX1)A-HT-(E2-B2-EPOX2) (III> wherin A, A1 and A2 are polyvinylaromatic blocks, E-B-EPOX is a block composed of ethy ...

Clemence Francois, Fortin Michel, Haesslein Jean Luc: N-substituted quinoline derivatives, process for their preparation, intermediates obtained, their use as pharmaceuticals and pharmaceutical compositions containing them.. Roussel Uclaf, August 12, 1992: EP0498721-A1 (17 worldwide citation)

Product of formula (ID): in which: D1, D2, D3 and D4 nitrogen, methine or methylene, R1B hydrogen, alkyl, alkenyl, alkynyl, acyl, cyano or carboxy, RB, R2B and R3B: a) hydrogen, halogen, hydroxyl, mercapto, cyano, nitro, sulpho, formyl, benzoyl, acyl, carboxy or cycloalkyl, b) alkyl, alkenyl, alkyny ...

Sakakima Hiroshi, Satomi Mitsuo, Takada Toshio, Shinjo Teruya: Magnetoresistance effect element.. Matsushita Electric, Seisan Kaihatsu Kagaku Kenkyus, TDK, Nippon Mining Co, Nippon Electric Co, August 12, 1992: EP0498344-A1 (17 worldwide citation)

There is provided a magnetoresistance effect element which is a multilayer structure body wherein a first magnetic film layer made of Ni-rich Ni-Co-Fe having a thickness of 10 to 100 ANGSTROM and a second magnetic film layer made of Co-rich Co-Ni-Fe having a thickness of 10 to 100 ANGSTROM , which a ...

Weinmann Joseph: Fertility probe.. Yissum Res Dev Co, August 12, 1992: EP0498303-A1 (17 worldwide citation)

There is provided a method for the determination of the fertile and infertile periods in the monthly cycle of females, and a device for carrying out the measurements and evaluations of this method. The method is based on the measurement of changes of characteristics of the cervical mucus and of pola ...

Franken Dominicus Jacobus, Jacobs Franciscus Mathijs, Van Kimmenade Johannes Mathijs, Van Dijk Cornelis Dionysius, Van Eijk Jan: Lithographic device with a suspended object table.. Philips, Asm Lithography, August 12, 1992: EP0498496-A1 (17 worldwide citation)

A lithographic device with a lithographic irradiation system (1, 13) which is fastened near a lower side to a mounting member (5) of a frame (7). The device is provided with a unit (65) which is formed by a positioning device (37), with which an object table (21) arranged below the irradiation syste ...

Miyata Shigeo: Composite metal hydroxide and its use.. Kaisui Kagaku Kenkyujo, August 12, 1992: EP0498566-A1 (17 worldwide citation)

A composite metal hydroxide which is a solid solution of the formula (1), Mg1-xMx(OH)2 (1) wherein M is at least one divalent metal ion selected from the group consisting of Mn, Fe, Co, Ni, Cu and Zn, and x is in the range of 0.001