Patents by Inventor Atsuo Otsuji
Atsuo Otsuji 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).
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Patent number: 8637633Abstract: A polymerizable composition including a compound represented by following General Formula (1): (in Formula (1), M represents a metal atom; X1 and X2 each independently represents a sulfur atom or an oxygen atom; R1 represents a divalent organic group; m represents an integer of 0 or 1 or greater; p represents an integer of 1 to n; n represents a valence of a metal atom M; and Y's each independently represents an inorganic or organic residue, where when n?p is 2 or greater, Y's may be bonded to each other to form a ring containing a metal atom M), a thiol compound and an episulfide compound.Type: GrantFiled: September 12, 2012Date of Patent: January 28, 2014Assignee: Mitsui Chemicals, Inc.Inventors: Mitsuo Nakamura, Hiroshi Naruse, Atsuo Otsuji, Shinichi Usugi, Masao Imai, Hidetoshi Hayashi, Osamu Kohgo, Hideki Yamamoto, Seiichi Kobayashi
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Publication number: 20130005934Abstract: A polymerizable composition including a compound represented by following General Formula (1): (in Formula (1), M represents a metal atom; X1 and X2 each independently represents a sulfur atom or an oxygen atom; R1 represents a divalent organic group; m represents an integer of 0 or 1 or greater; p represents an integer of 1 to n; n represents a valence of a metal atom M; and Y's each independently represents an inorganic or organic residue, where when n?p is 2 or greater, Y's may be bonded to each other to form a ring containing a metal atom M), a thiol compound and an episulfide compound.Type: ApplicationFiled: September 12, 2012Publication date: January 3, 2013Applicant: MITSUI CHEMICALS, INCInventors: Mitsuo Nakamura, Hiroshi Naruse, Atsuo Otsuji, Shinichi Usugi, Masao Imai, Hidetoshi Hayashi, Osamu Kohgo, Hideki Yamamoto, Seiichi Kobayashi
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Patent number: 7998944Abstract: The present invention is to provide a polymerizable compound which can be a raw material for a resin having high transparency, good heat resistance and mechanical strength required for optical components such as plastic lenses and the like, while attaining a high refractive index (nd) exceeding 1.7, and an optical component composed of such a resin. Disclosed is a compound represented by the general formula (3), wherein, in the formula, M represents a metal atom; X1 and X2 each independently represent a sulfur atom or an oxygen atom; R1 represents a divalent organic group; m represents an integer of 0 or 1 or more; p represents an integer of from 1 to n; q represents an integer of from 1 to (n?p); n represents a valence of a metal atom M; Yq each independently represent an inorganic or organic residue; and when q is 2 or more, Yq may be bonded to one another for forming a ring structure with the intermediary of a metal atom M.Type: GrantFiled: March 26, 2010Date of Patent: August 16, 2011Assignee: Mitsui Chemicals, Inc.Inventors: Atsuo Otsuji, Hiroshi Naruse, Mitsuo Nakamura
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Patent number: 7951968Abstract: A compound having two or more thiol groups and an atom selected from metal atoms in a molecule, a polythiol composition containing such a compound, a polymerizable composition containing such a polythiol composition, a resin obtained by polymerization of such a polymerizable composition, and an optical component obtained from such a resin are provided. The polymerizable composition can be a raw material for a resin having high transparency, good heat resistance and mechanical strength required for optical components such as plastic lenses and the like, while attaining a high refractive index (nd) exceeding 1.7.Type: GrantFiled: June 25, 2010Date of Patent: May 31, 2011Assignee: Mitsui Chemicals, Inc.Inventors: Hiroshi Naruse, Atsuo Otsuji, Mitsuo Nakamura
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Patent number: 7928247Abstract: Disclosed is a polymerizable composition containing a compound represented by the following general formula (1), wherein, in the formula, M represents P, P?O or P?S; X1 and X2 each independently represent a sulfur atom or an oxygen atom; R1 represents a divalent organic group; m represents 0 or an integer of not less than 1; n represents an integer of not less than 1 but not more than 3; p and q represent (1, 0) or (0, 1); and Y represents an inorganic or organic residue.Type: GrantFiled: June 14, 2007Date of Patent: April 19, 2011Assignee: Mitsui Chemicals, Inc.Inventors: Mitsuo Nakamura, Shinichi Usugi, Hiroshi Naruse, Atsuo Otsuji
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Patent number: 7906494Abstract: The present invention is to provide a polymerizable compound which can be a raw material for a resin having high transparency, good heat resistance and mechanical strength required for optical components such as plastic lenses and the like, while attaining a high refractive index (nd) exceeding 1.7, and an optical component composed of such a resin. Disclosed is a compound represented by the general formula (3), wherein, in the formula, M represents a metal atom; X1 and X2 each independently represent a sulfur atom or an oxygen atom; R1 represents a divalent organic group; m represents an integer of 0 or 1 or more; p represents an integer of from 1 to n; q represents an integer of from 1 to (n?p); n represents a valence of a metal atom M; Yq each independently represent an inorganic or organic residue; and when q is 2 or more, Yq may be bonded to one another for forming a ring structure with the intermediary of a metal atom M.Type: GrantFiled: March 26, 2010Date of Patent: March 15, 2011Assignee: Mitsui Chemicals, Inc.Inventors: Atsuo Otsuji, Hiroshi Naruse, Mitsuo Nakamura
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Publication number: 20100298519Abstract: A polymerizable composition including a compound represented by following General Formula (1): (in Formula (1), M represents a metal atom; X1 and X2 each independently represents a sulfur atom or an oxygen atom; R1 represents a divalent organic group; m represents an integer of 0 or 1 or greater; p represents an integer of 1 to n; n represents a valence of a metal atom M; and Y's each independently represents an inorganic or organic residue, where when n-p is 2 or greater, Y's may be bonded to each other to form a ring containing a metal atom M), and a thiol compound.Type: ApplicationFiled: March 29, 2007Publication date: November 25, 2010Applicant: MITSUI CHEMICALS, INC.Inventors: Mitsuo Nakamura, Hiroshi Naruse, Atsuo Otsuji, Shinichi Usugi, Masao Imai, Hidetoshi Hayashi, Osamu Kohgo, Hideki Yamamoto, Seiichi Kobayashi
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Publication number: 20100261866Abstract: A compound having two or more thiol groups and an atom selected from metal atoms in a molecule, a polythiol composition containing such a compound, a polymerizable composition containing such a polythiol composition, a resin obtained by polymerization of such a polymerizable composition, and an optical component obtained from such a resin are provided. The polymerizable composition can be a raw material for a resin having high transparency, good heat resistance and mechanical strength required for optical components such as plastic lenses and the like, while attaining a high refractive index (nd) exceeding 1.7.Type: ApplicationFiled: June 25, 2010Publication date: October 14, 2010Applicant: Mitsui Chemicals, Inc.Inventors: Hiroshi NARUSE, Atsuo OTSUJI, Mitsuo NAKAMURA
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Patent number: 7772348Abstract: A compound having two or more thiol groups and an atom selected from metal atoms in a molecule, a polythiol composition containing such a compound, a polymerizable composition containing such a polythiol composition, a resin obtained by polymerization of such a polymerizable composition, and an optical component obtained from such a resin are provided. The polymerizable composition can be a raw material for a resin having high transparency, good heat resistance and mechanical strength required for optical components such as plastic lenses and the like, while attaining a high refractive index (nd) exceeding 1.7.Type: GrantFiled: November 16, 2005Date of Patent: August 10, 2010Assignee: Mitsui Chemicals, Inc.Inventors: Hiroshi Naruse, Atsuo Otsuji, Mitsuo Nakamura
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Publication number: 20100190949Abstract: The present invention is to provide a polymerizable compound which can be a raw material for a resin having high transparency, good heat resistance and mechanical strength required for optical components such as plastic lenses and the like, while attaining a high refractive index (nd) exceeding 1.7, and an optical component composed of such a resin. Disclosed is a compound represented by the general formula (3), wherein, in the formula, M represents a metal atom; X1 and X2 each independently represent a sulfur atom or an oxygen atom; R1 represents a divalent organic group; m represents an integer of 0 or 1 or more; p represents an integer of from 1 to n; q represents an integer of from 1 to (n-p); n represents a valence of a metal atom M; Yq each independently represent an inorganic or organic residue; and when q is 2 or more, Yq may be bonded to one another for forming a ring structure with the intermediary of a metal atom M.Type: ApplicationFiled: March 26, 2010Publication date: July 29, 2010Applicant: Mitsui Chemicals, Inc.Inventors: Atsuo Otsuji, Hiroshi Naruse, Mitsuo Nakamura
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Publication number: 20100179333Abstract: The present invention is to provide a polymerizable compound which can be a raw material for a resin having high transparency, good heat resistance and mechanical strength required for optical components such as plastic lenses and the like, while attaining a high refractive index (nd) exceeding 1.7, and an optical component composed of such a resin. Disclosed is a compound represented by the general formula (3), wherein, in the formula, M represents a metal atom; X1 and X2 each independently represent a sulfur atom or an oxygen atom; R1 represents a divalent organic group; m represents an integer of 0 or 1 or more; p represents an integer of from 1 to n; q represents an integer of from 1 to (n?p); n represents a valence of a metal atom M; Yq each independently represent an inorganic or organic residue; and when q is 2 or more, Yq may be bonded to one another for forming a ring structure with the intermediary of a metal atom M.Type: ApplicationFiled: March 26, 2010Publication date: July 15, 2010Applicant: Mitsui Chemicals, Inc.Inventors: Atsuo OTSUJI, Hiroshi Naruse, Mitsuo Nakamura
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Patent number: 7723318Abstract: The present invention is to provide a polymerizable compound which can be a raw material for a resin having high transparency, good heat resistance and mechanical strength required for optical components such as plastic lenses and the like, while attaining a high refractive index (nd) exceeding 1.7, and an optical component composed of such a resin. Disclosed is a compound represented by the general formula (3), wherein, in the formula, M represents a metal atom; X1 and X2 each independently represent a sulfur atom or an oxygen atom; R1 represents a divalent organic group; m represents an integer of 0 or 1 or more; p represents an integer of from 1 to n; q represents an integer of from 1 to (n-p); n represents a valence of a metal atom M; Yq each independently represent an inorganic or organic residue; and when q is 2 or more, Yq may be bonded to one another for forming a ring structure with the intermediary of a metal atom M.Type: GrantFiled: March 31, 2005Date of Patent: May 25, 2010Assignee: Mitsui Chemicals, Inc.Inventors: Atsuo Otsuji, Hiroshi Naruse, Mitsuo Nakamura
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Publication number: 20100063246Abstract: Disclosed is a polymerizable composition containing a compound represented by the general formula (1) below and a bluing agent, wherein, in the general formula (1) below, M represents a metal atom; X1 and X2 each independently represent a sulfur atom or an oxygen atom; R1 represents a divalent organic group; m represents 0 or an integer of not less than 1; p represents an integer of not less than 1 but not more than n; n represents the valence of the metal atom M; Ys independently represent an inorganic or organic residue, and when n?p is not less than 2, Ys may combine together to form a ring containing the metal atom M.Type: ApplicationFiled: June 21, 2007Publication date: March 11, 2010Applicant: Mitsui Chemicals, Inc.Inventors: Shinichi Usugi, Mitsuo Nakamura, Hiroshi Naruse, Atsuo Otsuji, Osamu Kohgo, Hidetoshi Hayashi, Seiichi Kobayashi
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Publication number: 20100024683Abstract: The invention provides a phosphate compound having an unsaturated double bond and a metal salt thereof; a dental material containing a phosphate compound having an unsaturated double bond and/or a metal salt thereof; and a dental composition containing a phosphate compound having an unsaturated double bond and/or a metal salt thereof. The phosphate compound of the invention provides a dental material and a dental composition such as a bonding material, adhesive material and a dental luting agent that are highly stable during storage, convenient for handling, and that exhibit higher adhesiveness and bond durability.Type: ApplicationFiled: September 26, 2007Publication date: February 4, 2010Applicant: MITSUI CHEMICALS, INC.Inventors: Masatoshi Takagi, Atsuo Otsuji, Akinori Nagatomo, Kouji Suesugi
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Publication number: 20090192288Abstract: Disclosed is a polymerizable composition containing a compound represented by the following general formula (1), wherein, in the formula, M represents P, P?O or P?S; X1 and X2 each independently represent a sulfur atom or an oxygen atom; R1 represents a divalent organic group; m represents 0 or an integer of not less than 1; n represents an integer of not less than 1 but not more than 3; p and q represent (1, 0) or (0, 1); and Y represents an inorganic or organic residue.Type: ApplicationFiled: June 14, 2007Publication date: July 30, 2009Applicant: MITSUI CHEMICALS, INC.Inventors: Mitsuo Nakamura, Shinichi Usugi, Hiroshi Naruse, Atsuo Otsuji
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Patent number: 7534909Abstract: A (meth)acrylic ester compound represented by the general formula (1) and a dental material containing the compound, wherein, in the formula, R11 represents a divalent aromatic group; R12 represents a hydrogen atom or a methyl group; R13 represents an aryl group; R14 represents a hydrogen atom or a methyl group; and X11, represents an oxygen atom or a sulfur atom. A polymerizable composition containing the (meth)acrylic ester compound and an optical part obtained by polymerizing the polymerizable composition are also provided. The cured composition can provide advantageous physical and optical properties.Type: GrantFiled: May 21, 2004Date of Patent: May 19, 2009Assignee: Mitsui Chemicals, Inc.Inventors: Atsuo Otsuji, Masatoshi Takagi, Chojiro Higuchi, Akinori Nagatomo, Kouji Suesugi, Tetsuya Toida, Narimichi Honda
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Publication number: 20080027198Abstract: A compound having two or more thiol groups and an atom selected from metal atoms in a molecule, a polythiol composition containing such a compound, a polymerizable composition containing such a polythiol composition, a resin obtained by polymerization of such a polymerizable composition, and an optical component obtained from such a resin are provided. The polymerizable composition can be a raw material for a resin having high transparency, good heat resistance and mechanical strength required for optical components such as plastic lenses and the like, while attaining a high refractive index (nd) exceeding 1.7.Type: ApplicationFiled: November 16, 2005Publication date: January 31, 2008Applicant: Mitsui Chemicals, Inc.Inventors: Hiroshi Naruse, Atsuo Otsuji, Mitsuo Nakamura
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Patent number: 7307107Abstract: A photopolymerizable composition comprising a polymerizable compound and a photopolymerization initiator, wherein the polymerizable compound is characterized by comprising (a) a bifunctional (meth)acrylic acid (thio)ester compound containing a sulfur atom in the molecule and (b) at least one of a (meth)acrylic acid ester compound represented by the general formula (1) or a bifunctional (meth)acrylic acid ester compound having a urethane linkage: wherein R1 and R2 are each independently a hydrogen atom or a methyl group; R3 and R4 are each independently an alkyl group, an aralkyl group, an aryl group or a halogen atom; m and n are each an integer of 0 to 2; X1 is an alkylidene group having 1 to 3 carbon atoms; and Y1 and Y2 are each independently a poly(oxyalkylene) group with the proviso that at least one of Y1 and Y2 is a poly(oxyalkylene) group having a hydroxy group.Type: GrantFiled: July 17, 2003Date of Patent: December 11, 2007Assignee: Mitsui Chemicals, Inc.Inventors: Masao Imai, Mitsuo Nakamura, Hiroshi Naruse, Osamu Kohgo, Masahiro Enna, Atsuo Otsuji
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Publication number: 20070191615Abstract: The present invention is to provide a polymerizable compound which can be a raw material for a resin having high transparency, good heat resistance and mechanical strength required for optical components such as plastic lenses and the like, while attaining a high refractive index (nd) exceeding 1.7, and an optical component composed of such a resin. Disclosed is a compound represented by the general formula (3), wherein, in the formula, M represents a metal atom; X1 and X2 each independently represent a sulfur atom or an oxygen atom; R1 represents a divalent organic group; m represents an integer of 0 or 1 or more; p represents an integer of from 1 to n; q represents an integer of from 1 to (n-p); n represents a valence of a metal atom M; Yq each independently represent an inorganic or organic residue; and when q is 2 or more, Yq may be bonded to one another for forming a ring structure with the intermediary of a metal atom M.Type: ApplicationFiled: March 31, 2005Publication date: August 16, 2007Applicant: MITSUI CHEMICALS, INC.Inventors: Atsuo Otsuji, Hiroshi Naruse, Mitsuo Nakamura
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Publication number: 20070078198Abstract: A (meth)acrylic ester compound represented by the general formula (1) and a dental material containing the compound, wherein, in the formula, R11 represents a divalent aromatic group; R12 represents a hydrogen atom or a methyl group; R13 represents an aryl group; R14 represents a hydrogen atom or a methyl group; and X11, represents an oxygen atom or a sulfur atom. A polymerizable composition containing the (meth)acrylic ester compound and an optical part obtained by polymerizing the polymerizable composition are also provided. The cured composition can provide advantageous physical and optical properties.Type: ApplicationFiled: May 21, 2004Publication date: April 5, 2007Inventors: Atsuo Otsuji, Masatoshi Takagi, Chojiro Higuchi, Akinori Nagatomo, Kouji Suesugi, Tetsuya Toida, Narimichi Honda