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
Atsushi Sato, Isoo Shimizu, Eiichi Matsuzaka: Pressure-sensitive recording material. Nippon Petrochemicals Company, Scully Scott Murphy & Presser, September 15, 1981: US04289806 (11 worldwide citation)

A pressure-sensitive recording material which is excellent in several properties and prepared at a low cost. The pressure-sensitive recording material of the invention is applied with pressure-rupturable microcapsules containing a solution of dyestuff in a solvent fraction having a boiling range of ...


3
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 ...


4
Atsushi Sato, Isoo Shimizu, Eiichi Matsuzaka: Electric insulating oil compositions. Nippon Petrochemicals Company, Scully Scott Murphy & Presser, November 20, 1979: US04175278 (8 worldwide citation)

The present invention provides novel electric insulating oil compositions and a process for preparing the same. The electric insulating compositions of the invention comprise distillates within a boiling range in terms of normal pressure between 265.degree. C. and 360.degree. C. obtained by processi ...


5
Isoo Shimizu, Okitsugu Tsuji, Eiichi Matsuzaka, Atsushi Sato: Method for aralkylation. Nippon Petrochemicals, Fisher Christen and Sabol, September 1, 1981: US04287376 (4 worldwide citation)

A method for aralkylation of benzene or alkylbenzenes which is characterized in that an aromatic olefin having a double bond or double bonds which are conjugated with the benzene ring is added to the benzene or alkylbenzenes in the presence of at least one member of catalyst selected from the group ...


6
Atsushi Sato, Isoo Shimizu, Eiichi Matsuzaka: Aralkylation of alkylbenzenes. Nippon Petrochemicals Company, Scully Scott Murphy & Presser, March 13, 1979: US04144279 (4 worldwide citation)

The present invention provides a process for aralkylation of alkylbenzenes wherein an alkylbenzene or alkylbenzenes containing in the substituent alkyl group or groups from 1 to 4 carbon atoms in total is aralkylated with at least one styrene selected from the group consisting of styrene, vinyltolue ...


7
Atsushi Sato, Isoo Shimizu, Eiichi Matsuzaka: Method of processing thermal cracked by-product oil. Nippon Petrochemicals Company, Scully Scott Murphy & Presser, June 17, 1980: US04208268 (3 worldwide citation)

This invention provides a method of processing thermal cracked by-product oil which comprises reacting a distillate from a thermal cracked by-product oil principally containing components of a boiling range between 75.degree. C. and 198.degree. C. said distillate being one of the distillates from th ...


8
Isoo Shimizu, Okitsugu Tsuji, Eiichi Matsuzaka, Atsushi Sato: Method for preparing polycyclic aromatic hydrocarbons. Nippon Petrochemicals, Fisher Christen & Sabol, March 3, 1981: US04254292 (2 worldwide citation)

A method for preparing polycyclic aromatic hydrocarbons with excellent yield and selectivity but without the formation of cyclic dimers and other undesirable by-products. In the method of the present invention, styrene, .alpha.-methylstyrene, .beta.-methylstyrene and/or vinyltoluene is dimerized and ...


9
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 ...


10
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 ...