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Winter Andreas Dr, Antberg Martin Dr, Spaleck Walter Dr, Rohrmann Juergen Dr, Dolle Volker Dr: 2-substituted bisindenyl-metallocenes, process for their preparation and their use as catalysts for the polymerization of olefins.. Hoechst, May 20, 1992: EP0485823-A1 (142 worldwide citation)

The metallocenes of the formula I according to the invention in which the substituents have the following preferred meanings: M is Zr or Hf, R and R are alkyl or halogen, R and R are hydrogen, R and R are alkyl or haloalkyl, -(CRR)m-R-(CRR)n- is a chain with one or more than one members in which R c ...


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Dieffenderfer James Warren, Kogge Peter Mivchael, Wilkinson Paul Amba, Schoonover Nicholas Jerome: Parallel associative processor system.. Ibm, May 20, 1992: EP0485690-A2 (93 worldwide citation)

Multiprocessor parallel computing systems and a byte serial SIMD processor parallel architecture is used for parallel array processing with a simplified architecture adaptable to chip implementation in an air cooled environment. The array provided is an N dimensional array of byte wide processing un ...


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Rogozinski Wallace J: Modifiable, semi permeable wound dressing.. Catalina Biomedical, May 20, 1992: EP0485657-A1 (87 worldwide citation)

A dressing for wounds or dermal ulcers. The dressing includes a semi-permeable, transparent polyurethane film (100) and a plurality of concentric polyethylene foam rings or disks (A-D). Application of foam rings to a semi-permeable thin film permits modification of the moisture/vapor transmission ch ...


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Winter Andreas Dr, Antberg Martin Dr, Spaleck Walter Dr, Rohrmann Juergen Dr, Dolle Volker Dr: Process for preparing high molecular weight polyolefines.. Hoechst, May 20, 1992: EP0485822-A2 (79 worldwide citation)

A very effective catalyst system for olefin polymerisation consists of an aluminoxane and of a metallocene of the formula I in which, preferably, M is Zr or Hf, R and R are alkyl or halogen, R and R are hydrogen, R and R are alkyl or haloalkyl, -(CRR)m-R-(CRR)n- is a chain with one or more members i ...


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Sasaki Takinori, Tayama Yukiharu: Multicontact connector for signal transmission.. Amp, Nippon Electric Co, May 20, 1992: EP0486298-A1 (76 worldwide citation)

A multiple contact electrical connector for transmission of electrical signals therethrough comprises first and second matable connectors (1,2) each including signal contacts (5,5 min ) and ground contacts (6,6 min ) secured in dielectric housings (3,3 min ) and arranged in a two-dimensional manner ...


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Shiraishi Naomasa: Projection exposure method and apparatus.. Nippon Kogaku, May 20, 1992: EP0486316-A2 (72 worldwide citation)

A projection exposure apparatus consists of: an illumination optical system, including a light source, for irradiating a mask; a projection optical system for projecting a hyperfine pattern image on a substrate; an optical integrator for illuminating the mask in a homogeneous illuminance distributio ...


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Ozasa Hitoshi: Catheter balloon, balloon catheter equipped with the balloon, and method of manufacturing the balloon.. Terumo, May 20, 1992: EP0485903-A2 (71 worldwide citation)

A catheter balloon made of a polymer and comprising a cylindrical portion (2) of a substantially uniform diameter, tapered portions (3a,3b) at the front and rear of the cylindrical portion and connecting portions (4a,4b) at the front and rear of the tapered portions, characterized in that the wall t ...


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Bidney Dennis: Plant transformation method using agrobacterium species.. Pioneer Hi Bred Int, May 20, 1992: EP0486233-A2 (53 worldwide citation)

Plant cells are transformed by bombarding them with microparticles in a typical particle gun and then treating the bombarded cells with bacteria of the genus Agrobacterium which have been transformed to incorporate the DNA sequence of interest into their T-DNA. High frequencies of stable transformat ...


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Tanaka Takashi, Yamanaka Mikio, Sadano Yutaka Hikari Works, Yotsuya Kouki, Ishikawa Yasushi Nagoya Works, Takada Toshihiro: Carrier for automobile exhaust gas purifying catalyst.. Nippon Steel, Toyota Motor, May 20, 1992: EP0486276-A1 (52 worldwide citation)

A semi-oval shaped metallic carrier having an excellent thermal stress resistance an thermal fatigue resistance and used for an automobile exhaust gas-purifying catalyst, in which the carrier is composed of a metallic honeycomb body (3) constituted by superimposing flat metal foils and corrugated me ...