1
Atsushi Sato, Keiji Endo, Shigenobu Kawakami, Eiichi Matsuzaka, Satoshi Narui: Electrical insulating oil and oil-filled electrical appliances. Nippon Petrochemicals Company, Scully Scott Murphy & Presser, February 10, 1987: US04642730 (24 worldwide citation)

An improved electrical insulating oil and oil-filled electrical appliances impregnated therewith. The electrical insulating oil can be produced inexpensively but has excellent electrical characteristics and it comprises a fraction having boiling points in the range of 350.degree. to 450.degree. C. t ...


2
Naoya Takahashi, Keiji Endo, Eiichi Matsuzaka, Satoshi Narui, Atsushi Sato: Pressure-sensitive recording material. Nippon Petrochemicals Company, Scully Scott Murphy & Presser, August 11, 1987: US04686548 (9 worldwide citation)

A pressure-sensitive recording material of the type which is prepared by using an electron donating dye-precursor that produces a color when the dye-precursor is brought into contact with an electron accepting color developer. The pressure-sensitive recording material is characterized in that the so ...


3
Naoya Takahashi, Satoshi Narui, Eiichi Matsuzaka: Pressure sensitive copy material. Nippon Petrochemicals, Ostrolenk Faber Gerb & Soffen, November 7, 1989: US04879269 (2 worldwide citation)

The present invention provides a pressure sensitive copy material using an electron accepting developer and an electron donating coupler which develops a color by contacting with the developer, the pressure sensitive copy material being characterized by employing phenyl-sec-butylphenyl-methane as a ...


4
Naoya Takahashi, Satoshi Narui, Yasuo Togami, Ryoichi Miura: Pressure sensitive copy article. Nippon Petrochemicals, Scully Scott Murphy & Presser, May 25, 1993: US05214021 (1 worldwide citation)

The present invention is connected with a pressure sensitive copy material using a color former solution in which an electron accepting developer and an electron donating color former capable of developing a color when brought into contact with the developer are dissolved in a solvent, and as the so ...


5
Naoya Takahashi, Satoshi Narui, Yasuo Togami: Pressure-sensitive copying material. Nippon Petrochemicals Company, Scully Scott Murphy & Presser, November 23, 1993: US05264409

An excellent pressure-sensitive copying material which has an excellent color developing rate, little odor, and neither offset nor bleeding, said copying material comprising an electron-accepting developer and a solution of an electron-donating color former which produces colors upon contacting with ...


6
Atsushi Sato, Keiji Endo, Shigenobu Kawakami, Eiichi Matsuzaka, Satoshi Narui: Polymer composition. Nippon Petrochemicals Company, Scully Scott Murphy & Presser, February 7, 1989: US04803238

A compounding oil for polymers which can be used as a plasticizer, process oil, thinner, softening agent, extender or the like. The compounding oil of the invention comprises a fraction mainly containing triaryldialkanes and having boiling points in the range of 350.degree. to 450.degree. C., which ...


7
Shigenobu Kawakami, Eiichi Matsuzaka, Satoshi Narui, Naoya Takahashi: Solvent for the dye of pressure-sensitive recording paper. Nippon Petrochemicals Company, Scully Scott Murphy & Presser, April 28, 1987: US04661165

A solvent for the dye of pressure-sensitive recording paper which solvent has no offensive odor and both the color developing rate and the density of developed color are excellent. The solvent is characterized in that it comprises a fraction having boiling points in the range of 270.degree. to 350.d ...