Patents by Inventor Fumio Moriwaki
Fumio Moriwaki has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Publication number: 20090206748Abstract: A process for producing an aromatic compound which can effectively decrease the contents of halogen elements in the aromatic compound and an aromatic compound which is produced in accordance with the process and useful as the material for obtaining an organic electroluminescence device having a long life are provided. The process for producing an aromatic compound comprises bringing an aromatic compound which is produced via an intermediate compound having halogen elements and has contents of halogen elements of 10 to 1,000 ppm by mass into reaction with a dehalogenating agent to decrease the contents of halogen elements to 10 ppm by mass or smaller, and an aromatic compound which is produced in accordance with the process.Type: ApplicationFiled: April 29, 2009Publication date: August 20, 2009Applicant: Idemitsu Kosan Co., Ltd.Inventors: Fumio MORIWAKI, Hidehiro Matsunami, Tetsuya Inoue
-
Patent number: 7547809Abstract: A process for producing an aromatic compound which can effectively decrease the contents of halogen elements in the aromatic compound and an aromatic compound which is produced in accordance with the process and useful as the material for obtaining an organic electroluminescence device having a long life are provided. The process for producing an aromatic compound comprises bringing an aromatic compound which is produced via an intermediate compound having halogen elements and has contents of halogen elements of 10 to 1,000 ppm by mass into reaction with a dehalogenating agent to decrease the contents of halogen elements to 10 ppm by mass or smaller, and an aromatic compound which is produced in accordance with the process.Type: GrantFiled: June 23, 2006Date of Patent: June 16, 2009Assignee: Idemitsu Kosan Co., Ltd.Inventors: Fumio Moriwaki, Hidehiro Matsunami, Tetsuya Inoue
-
Publication number: 20070249866Abstract: A method for producing aromatic amino compound (V): by synthesizing intermediate compound (IV): by the reaction of compound (I): H2N—R1 with a mixture of halogenated aryl compounds (II): Ar1-X and (III): Ar2-X in the presence of a noble metal catalyst, followed by eliminating the substituent R1 from the nitrogen atom in compound (IV) under an acidic condition or an alkaline condition or by addition of a reducing agent or an oxidizing agent. (R1: a substituent having 2 to 50 carbon atoms; Ar1 and Ar2: a substituted or unsubstituted hydrocarbon group or heterocyclic group having 6 to 50 carbon atoms and the same with or different from each other; and X: a halogen group). The aromatic amino compound useful as the charge transporting material can be produced efficiently at a great yield without using highly toxic raw materials.Type: ApplicationFiled: June 19, 2007Publication date: October 25, 2007Applicant: Idemitsu Kosan Co., Ltd.Inventors: Toshihiro IWAKUMA, Fumio Moriwaki
-
Publication number: 20070249861Abstract: A method for producing aromatic amino compound (V): by synthesizing intermediate compound (IV): by the reaction of compound (I): H2N—R1 with a mixture of halogenated aryl compounds (II): Ar1-X and (III): Ar2-X in the presence of a noble metal catalyst, followed by eliminating the substituent R1 from the nitrogen atom in compound (IV) under an acidic condition or an alkaline condition or by addition of a reducing agent or an oxidizing agent. (R1: a substituent having 2 to 50 carbon atoms; Ar1 and Ar2: a substituted or unsubstituted hydrocarbon group or heterocyclic group having 6 to 50 carbon atoms and the same with or different from each other; and X: a halogen group). The aromatic amino compound useful as the charge transporting material can be produced efficiently at a great yield without using highly toxic raw materials.Type: ApplicationFiled: June 19, 2007Publication date: October 25, 2007Applicant: Idemitsu Kosan Co., Ltd.Inventors: Toshihiro Iwakuma, Fumio Moriwaki
-
Patent number: 7250532Abstract: A method for producing aromatic amino compound (V): by synthesizing intermediate compound (IV): by the reaction of compound (I): H2N—R1 with a mixture of halogenated aryl compounds (II): Ar1—X and (III): Ar2—X in the presence of a noble metal catalyst, followed by eliminating the substituent R1 from the nitrogen atom in compound (IV) under an acidic condition or an alkaline condition or by addition of a reducing agent or an oxidizing agent. (R1: a substituent having 2 to 50 carbon atoms; Ar1 and Ar2: a substituted or unsubstituted hydrocarbon group or heterocyclic group having 6 to 50 carbon atoms and the same with or different from each other; and X: a halogen group). The aromatic amino compound useful as the charge transporting material can be produced efficiently at a great yield without using highly toxic raw materials.Type: GrantFiled: September 30, 2005Date of Patent: July 31, 2007Assignee: Idemitsu Kosan Co., Ltd.Inventors: Toshihiro Iwakuma, Fumio Moriwaki
-
Publication number: 20070167654Abstract: A novel aromatic amine derivative having a specific structure and an organic electroluminescence device comprising an organic thin film layer which comprises at least one layer comprising at least a light emitting layer and is disposed between a cathode and an anode, wherein at least one layer in the organic thin film layer comprises the aromatic amine derivative singly or as a component of a mixture. The device can be driven under a decreased voltage and has a long life. The device can be realized by using the derivative.Type: ApplicationFiled: March 9, 2006Publication date: July 19, 2007Applicant: Idemitsu Kosan Co., Ltd.Inventors: Nobuhiro Yabunouchi, Fumio Moriwaki
-
Publication number: 20070060777Abstract: A process for producing an aromatic compound which can effectively decrease the contents of halogen elements in the aromatic compound and an aromatic compound which is produced in accordance with the process and useful as the material for obtaining an organic electroluminescence device having a long life are provided. The process for producing an aromatic compound comprises bringing an aromatic compound which is produced via an intermediate compound having halogen elements and has contents of halogen elements of 10 to 1,000 ppm by mass into reaction with a dehalogenating agent to decrease the contents of halogen elements to 10 ppm by mass or smaller, and an aromatic compound which is produced in accordance with the process.Type: ApplicationFiled: June 23, 2006Publication date: March 15, 2007Applicant: Idemitsu Kosan Co., Ltd.Inventors: Fumio Moriwaki, Hidehiro Matsunami, Tetsuya Inoue
-
Publication number: 20060030736Abstract: A method for producing aromatic amino compound (V): by synthesizing intermediate compound (IV): by the reaction of compound (I): H2N—R1 with a mixture of halogenated aryl compounds (II): Ar1—X and (III): Ar2—X in the presence of a noble metal catalyst, followed by eliminating the substituent R1 from the nitrogen atom in compound (IV) under an acidic condition or an alkaline condition or by addition of a reducing agent or an oxidizing agent. (R1: a substituent having 2 to 50 carbon atoms; Ar1 and Ar2: a substituted or unsubstituted hydrocarbon group or heterocyclic group having 6 to 50 carbon atoms and the same with or different from each other; and X: a halogen group). The aromatic amino compound useful as the charge transporting material can be produced efficiently at a great yield without using highly toxic raw materials.Type: ApplicationFiled: September 30, 2005Publication date: February 9, 2006Applicant: Idemitsu Kosan Co., Ltd.Inventors: Toshihiro Iwakuma, Fumio Moriwaki
-
Publication number: 20040082813Abstract: A method for producing aromatic amino compound (V): 1Type: ApplicationFiled: September 12, 2003Publication date: April 29, 2004Inventors: Toshihiro Iwakuma, Fumio Moriwaki
-
Patent number: 5686021Abstract: A liquid crystal display device, which containing a liquid crystal in each display element comprising at least two oriented liquid crystal phases including a most-quickly-responding liquid crystal phase and a most-slowly-responding liquid crystal phase, the response time of the most-quickly-responding liquid crystal phase being at most 1/50 times as long as that of the most-slowly-responding liquid crystal phase, all layer normal lines and/or alignment directions of the liquid crystal phases being directed substantially in one direction.Type: GrantFiled: September 27, 1995Date of Patent: November 11, 1997Assignee: Idemitsu Kosan Co., Ltd.Inventors: Fumio Moriwaki, Satoshi Hachiya, Hiroyuki Endo
-
Patent number: 5437816Abstract: A high polymer comprising a recurring unit represented by the formula: ##STR1## wherein r and p each represent an integer of 2 to 5, q represents a number of 4 to 20, m represents an integer of 8 to 12, a represents an integer of 1 to 8, and * represents an asymmetric carbon, and a ferroelectric liquid crystal composition comprising the high polymer and a low molecular weight smectic liquid crystal are disclosed.Type: GrantFiled: November 16, 1992Date of Patent: August 1, 1995Assignee: Idemitsu Kosan Co., Ltd.Inventors: Hiroyuki Endo, Fumio Moriwaki, Satoshi Hachiya
-
Patent number: 5425897Abstract: A liquid-crystalline copolymer comprising the repeating units represented by the following general formulas ##STR1## wherein each of r and p is an integer of 2 to 5, q is an integer of 0 to 3, m is an integer of 1 to 20, and R.sup.1 is ##STR2## R.sup.2 being --COOR.sup.3, --OR.sup.3 or --OCOR.sup.3, R.sup.3 being ##STR3## each of R.sup.4 and R.sup.5 being --CH.sub.3 or a halogen atom, each of a and d being an integer of 0 to 10, b being an integer of 0 or 1, with the proviso that d is not 0 when R.sup.5 is --CH.sub.3, the repeating units [I] and [II] being present in the liquid-crystalline copolymer in a substantial molar ratio [I]:[II] of 1:1, exhibits ferroelectricity even at a temperature neighboring room temperature and having a high response speed to changes of external electric fields.Type: GrantFiled: August 26, 1994Date of Patent: June 20, 1995Assignee: Idemitsu Kosan Co., Ltd.Inventors: Kazuharu Morita, Satoshi Hachiya, Fumio Moriwaki, Hiroyuki Endo
-
Patent number: 5380915Abstract: A liquid-crystalline copolymer comprising the repeating units represented by the following general formulas ##STR1## wherein each of r and p is an integer of 2 to 5, q is an integer of 0 to 3, m is an integer of 1 to 20, and R.sup.1 is ##STR2## R.sup.2 being --COOR.sup.3, --OR.sup.3 or --OCOR.sup.3 R.sup.3, ##STR3## each of R.sup.4 and R.sup.5 being --CH.sub.3 or a halogen atom, each of a and d being an integer of 0 to 10, b being an integer of 0 or 1, with the proviso that d is not 0 when R.sup.5 is --CH.sub.3, the repeating units [I] and [II] being present in the liquid-crystalline copolymer in a substantial molar ratio [I]:[II] of 1:1, exhibits ferroelectricity even at a temperature neighboring room temperature and having a high response speed to changes of external electric fields.Type: GrantFiled: May 26, 1993Date of Patent: January 10, 1995Assignee: Idemitsu Kosan Co., Ltd.Inventors: Kazuharu Morita, Satoshi Hachiya, Fumio Moriwaki, Hiroyuki Endo
-
Patent number: 5350538Abstract: This invention provides a high polymer having the following repeating unit (I), a diene compound which is represented by the following formula (II) and is a raw material of the high polymer: ##STR1## and a ferroelectric liquid-crystalline composition containing the high polymer and a low molecular weight smectic liquid-crystalline compound. The ferroelectric liquid-crystalline composition is easy to orient and exhibits a fast response against applied electric field.Type: GrantFiled: July 2, 1993Date of Patent: September 27, 1994Assignee: Idemitsu Kosan Co., Ltd.Inventors: Fumio Moriwaki, Hiroyuki Endo, Satoshi Hachiya
-
Patent number: 5336435Abstract: A high polymer comprising a recurring unit (I) represented by the formula: ##STR1## and a recurring unit (II) represented by the formula: ##STR2## wherein r, u, p and s each represent an integer of 2 to 5, q represents a number of 0 to 20, m represents an integer of 8 to 12, n represents an integer of 6 to 15, a represents an integer of 1 to 8, b represents an integer of 5 to 15, Y represents --0-- or --COO--, Z represents --O-- or a single bond, and * represents an asymmetric carbon,and a ferroelectric liquid crystal composition comprising the high polymer and a low molecular weight smectic liquid crystal are disclosed.Type: GrantFiled: June 28, 1993Date of Patent: August 9, 1994Assignee: Idemitsu Kosan Co., Ltd.Inventors: Hiroyuki Endo, Satoshi Hachiya, Fumio Moriwaki
-
Patent number: 5281685Abstract: A liquid-crystalline copolymer comprising the repeating units represented by the following general formulas ##STR1## wherein each of r and p is an integer of 2 to 5, q is an integer of 0 to 3, m is an integer of 1 to 20, and R.sup.1 is ##STR2## R.sup.2 being --COOR.sup.3, --OR.sup.3 or --OCOR.sup.3, R.sup.3 being ##STR3## each of R.sup.4 and R.sup.5 being --CH.sub.3 or a halogen atom, each of a and d being an integer of 0 to 10, b being an integer of 0 or 1, with the proviso that d is not 0 when R.sup.5 is --CH.sub.3,the repeating units [I] and [II] being present in the liquid-crystalline copolymer in a substantial molar ratio [I]:[II] of 1:1, exhibits ferroelectricity even at a temperature neighboring room temperature and having a high response speed to changes of external electric fields.Type: GrantFiled: March 5, 1992Date of Patent: January 25, 1994Assignee: Idemitsu Kosan Co., Ltd.Inventors: Kazuharu Morita, Satoshi Hachiya, Fumio Moriwaki, Hiroyuki Endo
-
Patent number: 5264517Abstract: A high polymer comprising a recurring unit (I) represented by the formula: ##STR1## and a recurring unit (II) represented by the formula: ##STR2## wherein r, u, p and s each represent an integer of 2 to 5, q represents a number of 0 to 20, m represents an integer of 8 to 12, n represents an integer of 6 to 15, a represents an integer of 1 to 8, b represents an integer of 5 to 15, Y represents --O-- or --COO--, Z represents --O-- or a single bond, and * represents an asymmetric carbon, and a ferroelectric liquid crystal composition comprising the high polymer and a low molecular weight smectic liquid crystal are disclosed.Type: GrantFiled: December 17, 1992Date of Patent: November 23, 1993Assignee: Idemitsu Kosan Co., Ltd.Inventors: Hiroyuki Endo, Satoshi Hachiya, Fumio Moriwaki