Nobuyuki Kuroda, Tatsuo Horie, Kazuo Matsuura, Kunimichi Kubo, Mituji Miyoshi: Continuous process for the preparation of polyolefins having widely distributed molecular weights. Nippon Oil Company, Jordan and Hamburg, November 8, 1983: US04414369 (45 worldwide citation)

Polyolefins having a wide distribution of molecular weights are prepared in a plural stage process, by initially polymerizing the olefins in the presence of a solvent, hydrogen and a highly active Ziegler type catalyst under pressure, and beneath a gas phase containing an inert gas, to form in the f ...

Yoshinori Nishikitani, Takaya Kubo, Nobuyuki Kuroda: Counterelectrode for smart window and smart window. Nippon Oil, Darby & Darby, March 3, 1998: US05724176 (42 worldwide citation)

A counterelectrode for a smart window contains a transparent substrate and a linear electrically conductive material formed on a surface of the transparent substrate. The electrically conductive material has a surface area of not less than 10 m.sup.2 /g and electrical conductivity of not less than 1 ...

Yoshinori Nishikitani, Naoki Kataoka, Nobuyuki Kuroda, Kazuo Matsuura: Organic thin film electroluminescent device. Nippon Oil, Darby & Darby, July 27, 1993: US05231329 (40 worldwide citation)

An organic thin film electroluminescent device is composed of an electron transport layer, a hole transport layer and a transparent electrode. The electron transport layer is constituted of an electron conducting polymer represented by the formula (I) ##STR1## wherein R.sup.1 is a hydrogen atom or a ...

Kazuo Matsuura, Nobuyuki Kuroda, Takeichi Shiraishi, Mitsuji Miyoshi: Polymerization of olefins and catalysts therefor. Nippon Oil Company, Hill Gross Simpson Van Santen Steadman Chiara & Simpson, February 1, 1977: US04006101 (34 worldwide citation)

A process for the production of polyolefins is disclosed, which is carried out in the presence of catalysts prepared according to the invention. The catalysts comprise a carrier resulting from the reaction of anhydrous magnesium halide, silicon tetrachloride and an alcohol represented by the general ...

Yoshio Tajima, Kazutosi Nomiyama, Yoshiyuki Shimo, Nobuyuki Kuroda, Kazuo Matsuura: Polyethylene composition. Nippon Oil, Oblon Fisher Spivak McClelland & Maier, May 30, 1989: US04835219 (26 worldwide citation)

Disclosed is polyethylene composition having excellent environmental stress cracking resistance (ESCR) and giving molded articles with good surface properties.


Kazuo Matsuura, Takeichi Shiraishi, Etsuo Kawamata, Mitsuo Okamoto, Nobuyuki Kuroda, Mituji Miyoshi: Olefin polymerizing catalyst. Nippon Oil Company, Stevens Davis Miller & Mosher, August 2, 1983: US04396534 (21 worldwide citation)

In an olefin polymerizing catalyst comprising a solid catalyst component and an organometallic compound, there is used, as the solid catalyst component, a substance obtained by contacting and reacting the following compounds with one another:

Nobuyuki Kuroda, Hiroshi Kobayashi, Kazuo Matsuura: Polymeric solid electrolytes and production process thereof. Nippon Oil Company, Oblon Spivak McClelland Maier & Neustadt, November 13, 1990: US04970012 (17 worldwide citation)

Polymeric solid electrolytes are formed by the present invention, namely, by incorporating a low molecular weight polyethylene glycol, a high molecular weight polyethylene oxide and an alkali metal or ammonium salt in a specific cinnamate ester compound, followed by a polymerization and crosslinking ...

Sumio Umemura, Nagaaki Takamitsu, Toshikazu Hamamoto, Nobuyuki Kuroda: Process for preparing dihydric phenol derivatives. UBE, Flynn & Frishauf, March 7, 1978: US04078006 (17 worldwide citation)

A process for preparing dihydric phenol derivatives by oxidizing monohydric phenol derivatives with hydrogen peroxide in the presence of a ketone. This reaction can be promoted in the presence of sulfuric acid or a salt thereof or a sulfonic acid or a salt thereof.

Masanobu Suga, Tsuyoshi Asano, Nobuyuki Kuroda: Ultraviolet absorber and coating material. Nippon Oil, Darby & Darby, May 6, 1997: US05627227 (15 worldwide citation)

An ultraviolet absorber contains as an effective component a compound represented by the formula: ##STR1## wherein R.sup.1 denotes a hydrogen atom, a halogen atom or an alkyl group having 1 to 10 carbon atoms, R.sup.2 denotes a hydrogen atom or an alkyl group having 1 to 10 carbon atoms, R.sup.3 and ...