Patents by Inventor Edmund P. Woo
Edmund P. Woo 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: 6900285Abstract: A polymer comprising repeat units of the formula: wherein R1 is independently in each occurrence C1-20 hydrocarbyl or C1-20 hydrocarbyl containing one or more heteroatoms of S, N, O, P or Si or both R1 may form, with the 9-carbon of the fluorene ring, a C5-20 ring structure containing one or more heteroatoms of S, N, or O; R2 is independently in each occurrence C1-20 hydrocarbyl, C1-20 hydrocarbyloxy, C1-20 thioether, C1-20 hydrocarbyloxycarbonyl, hydrocarbylcarbonyloxy, or cyano; a is independently in each occurrence a number from about 0 to about 1; m is a number from about 1 to about 2; and n is a number from about 3 or greater.Type: GrantFiled: December 13, 2002Date of Patent: May 31, 2005Assignee: Dow Global Technologies Inc.Inventors: Edmund P. Woo, William R. Shiang, Michael Inbasekaran, Gordon R. Roof, Mark T. Bernius, Weishi Wu
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Patent number: 6727008Abstract: An organic OLED having a cathode formed from a first conducting layer, an electroluminescent layer including an oxadiazole compound, and an anode constructed from a second conducting layer which is transparent to light generated by the electroluminescent layer. In one embodiment, an electron transport layer is sandwiched between the anode and electroluminescent layers. Other embodiments utilize a hole transport layer between the electroluminescent layer and the anode either with or without the electron transport layer. In one embodiment, the anode is constructed from a layer of indium tin oxide and a layer of a hole transport material that bonds to indium tin oxide and which has an energy band intermediate between that of indium tin oxide and that of the hole transport layer.Type: GrantFiled: April 30, 1997Date of Patent: April 27, 2004Assignee: Agilent Technologies, Inc.Inventors: Homer Antoniadis, Michael Inbasekaran, Edmund P. Woo
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Publication number: 20030208032Abstract: A polymer comprising repeat units of the formula: 1Type: ApplicationFiled: December 13, 2002Publication date: November 6, 2003Inventors: Edmund P. Woo, William R. Shiang, Michael Inbasekaran, Gordon R. Roof, Mark T. Bernius, Weishi Wu
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Patent number: 6605373Abstract: A copolymer comprising 10-90 percent by weight of groups of Formula (I): and from 10-90 percent by weight of groups selected from Formulas (II), (III), and (IV): and mixtures thereof; wherein R1 is independently in each occurrence H, C1-C20 hydrocarbyl or C1-C20 hydrocarbyl containing one or more S, N, O, P or Si atoms, C4-C16 hydrocarbyl carbonyloxy, C4-C16 aryl(trialkylsiloxy) or both R1 may form with the 9-carbon on the fluorene ring a C5-C20 cycloaliphatic structure or a C4-C20 cycloaliphatic structure containing one or more heteroatoms of S, N, or O; R2 is independently in each occurrence C1-C20 hydrocarbyl, C1-C20 hydrocarbyloxy, C1-C20 thioether, C1-C20 hydrocarbylcarbonyloxy or cyano; R3 is independently in each occurrence carboxyl, C1-C20 alkyl, C1-C20 alkoxy or a group of the formula —CO2R4 wherein R4 is a C1-C20 alkyl; and a and b are independently in each occurrence an integer from 0 to 3.Type: GrantFiled: March 15, 2001Date of Patent: August 12, 2003Assignee: Dow Global Technologies Inc.Inventors: Edmund P. Woo, Mark T. Bernius, Michael Inbasekaran, Weishi Wu
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Patent number: 6593450Abstract: The invention relates to 2,7-substituted-9-substituted fluorenes and 9-substituted fluorene oligomers and polymers. The fluorenes, oligomers and polymers are substituted at the 9-position with two hydrocarbyl moieties which may optionally contain one or more of sulfur, nitrogen, oxygen, phosphorous or silicon heteroatoms; a C5-20 ring structure formed with the 9-carbon on the fluorene ring or a C4-20 ring structure formed with the 9-carbon containing one or more heteroatoms of sulfur, nitrogen or oxygen; or a hydrocarbylidene moiety. In one embodiment, the fluorenes are substituted at the 2- and 7-positions with aryl moieties which may further be substituted with moieties which are capable of crosslinking or chain extension or a trialkylsiloxy moiety. The fluorene polymers and oligomers may be substituted at the 2- and 7′-positions. The monomer units of the fluorene oligomers and polymers are bound to one another at the 2- and 7′-positions.Type: GrantFiled: January 5, 2001Date of Patent: July 15, 2003Assignee: Dow Global Technologies Inc.Inventors: Edmund P. Woo, William R. Shiang, Michael Inbasekaran, Gordon R. Roof
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Patent number: 6514632Abstract: A compound of the formula: and compounds of the formulas: wherein R1 is independently in each occurrence C1-20 hydrocarbyl or C1-20 hydrocarbyl containing one or more S, N, O, P or Si atoms, C4-16 hydrocarbyl carbonyloxy, C4-16 aryl(trialkylsiloxy) or both R1 may form with the 9-carbon on the fluorene ring a C5-20 ring structure or a C4-20 ring structure containing one or more heteroatoms of S, N or O; R2 is independently in each occurrence C1-20 hydrocarbyl, C120 hydrocarbyloxy, C1-20 thioether, C1-20 hydrocarbylcarbonyloxy or cyano; R3 is independently in each occurrence C1-20 hydrocarbyl or C1-20 hydrocarbyl substituted with di(C1-20 alkyl)amino, C1-20 hydrocarbyloxy or C1-20 hydrocarbyl or tri(C1-10 alkyl)siloxy; a is independently in each occurrence 0 or 1; X is independently in each occurrence a halogen moiety; and Z is independently in each occurrence —B(OH)2, —B(OR4)2 or wherein R4 is independently in each occurrence a C1-10Type: GrantFiled: September 13, 2000Date of Patent: February 4, 2003Assignee: Dow Global Technologies Inc.Inventors: Edmund P. Woo, William R. Shiang, Michael Inbasekaran, Gordon R. Roof, Mark T. Bernius, Weishi Wu
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Patent number: 6512083Abstract: A compound of the formula: and compounds of the formulas: wherein R1 is independently in each occurrence C1-20 hydrocarbyl or C1-20 hydrocarbyl containing one or more S, N, O, P or Si atoms, C4-16 hydrocarbyl carbonyloxy, C4-16 aryl(trialkylsiloxy) or both R1 may form with the 9-carbon on the fluorene ring a C5-20 ring structure or a C4-20 ring structure containing one or more heteroatoms of S, N or O; R2 is independently in each occurrence C1-20 hydrocarbyl, C1-20 hydrocarbyloxy, C1-20 thioether, C1-20 hydrocarbylcarbonyloxy or cyano; R3 is independently in each occurrence C1-20 hydrocarbyl or C1-20 hydrocarbyl substituted with di(C1-20 alkyl)amino, C1-20 hydrocarbyloxy or C1-20 hydrocarbyl or tri(C1-10 alkyl)siloxy; a is independently in each occurrence 0 or 1; X is independently in each occurrence a halogen moiety; and Z is independently in each occurrence —B(OH)2, —B(OR4)2 or wherein R4 is independently in each occurrence a C1-Type: GrantFiled: September 13, 2000Date of Patent: January 28, 2003Assignee: Dow Global Technologies Inc.Inventors: Edmund P. Woo, William R. Shiang, Michael Inbasekaran, Gordon R. Roof, Mark T. Bernius, Weishi Wu
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Patent number: 6383664Abstract: The device of this invention comprises a optoelectronic element, a cover, and an adhesive. The optoelectronic element comprises a substrate bearing an anode, a film comprising an optoelectronic material, and a cathode. The cover comprises a lid and a raised rim which is recessed from the outer edge of the lid. The cover contacts the element so that the film comprising the optoelectronic material is located between the substrate and the lid, and within the region defined by the raised rim. An adhesive, located in a channel defined by the bottom surface of the lid from the outer edge to the rim, the rim, and the top surface of the optoelectronic element outside of the region defined by the rim, serves to attach the cover to the optoelectronic element.Type: GrantFiled: May 11, 1999Date of Patent: May 7, 2002Assignee: The Dow Chemical CompanyInventors: Mark T. Bernius, Edmund P. Woo
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Patent number: 6362310Abstract: A compound of the formula: and compounds of the formulas: wherein R1 is independently in each occurrence C1-20 hydrocarbyl or C1-20 hydrocarbyl containing one or more S, N, O, P or Si atoms, C4-16 hydrocarbyl carbonyloxy, C14-16 aryl(trialkylsiloxy) or both R1 may form with the 9-carbon on the fluorene ring a C5-20 ring structure or a C4-20 ring structure containing one or more heteroatoms of S, N or O; R2 is independently in each occurrence C1-20 hydrocarbyl, C1-20 hydrocarbyloxy, C1-20 thioether, C1-20 hydrocarbylcarbonyloxy or cyano; R3 is independently in each occurrence C1-20 hydrocarbyl or C1-20 hydrocarbyl substituted with di(C1-20 alkyl)amino, C1-20 hydrocarbyloxy or C1-20 hydrocarbyl or tri(C1-10 alkyl)siloxy; a is independently in each occurrence 0 or 1; X is independently in each occurrence a halogen moiety; and Z is independently in each occurrence —B(OH)2, —B(OR4)2 or wherein R4 is independently in each occurrence a C1-1Type: GrantFiled: September 13, 2000Date of Patent: March 26, 2002Inventors: Edmund P. Woo, Michael Inbasekaran, William R. Shiang, Gordon R. Roof, Mark T. Bernius, Weishi Wu
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Patent number: 6353083Abstract: This invention relates to: (a) fluorene copolymers comprising at least 10% (by residual monomeric units) of 9-substituted and/or 9,9-disubstituted fluorene moieties and at least two other monomeric units containing delocalized p-electrons, (b) polymer blends comprising at least 10 weight % of a copolymer specified in (a), and (c) electronic devices (such as polymer light emitting diodes) containing one or more films derived from these copolymers.Type: GrantFiled: April 9, 1999Date of Patent: March 5, 2002Assignee: The Dow Chemical CompanyInventors: Michael Inbasekaran, Weishi Wu, Edmund P. Woo, Mark T. Bernius
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Publication number: 20020018911Abstract: The device of this invention comprises a optoelectronic element, a cover, and an adhesive. The optoelectronic element comprises a substrate bearing an anode, a film comprising an optoelectronic material, and a cathode. The cover comprises a lid and a raised rim which is recessed from the outer edge of the lid. The cover contacts the element so that the film comprising the optoelectronic material is located between the substrate and the lid, and within the region defined by the raised rim. An adhesive, located in a channel defined by the bottom surface of the lid from the outer edge to the rim, the rim, and the top surface of the optoelectronic element outside of the region defined by the rim, serves to attach the cover to the optoelectronic element.Type: ApplicationFiled: May 11, 1999Publication date: February 14, 2002Inventors: MARK T. BERNIUS, EDMUND P. WOO
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Publication number: 20010053842Abstract: The invention relates to 2,7-substituted-9-substituted fluorenes and 9-substituted fluorene oligomers and polymers. The fluorenes, oligomers and polymers are substituted at the 9-position with two hydrocarbyl moieties which may optionally contain one or more of sulfur, nitrogen, oxygen, phosphorous or silicon heteroatoms; a C5-20 ring structure formed with the 9-carbon on the fluorene ring or a C4-20 ring structure formed with the 9-carbon containing one or more heteroatoms of sulfur, nitrogen or oxygen; or a hydrocarbylidene moiety. In one embodiment, the fluorenes are substituted at the 2- and 7-positions with aryl moieties which may further be substituted with moieties which are capable of crosslinking or chain extension or a trialkylsiloxy moiety. The fluorene polymers and oligomers may be substituted at the 2- and 7′-positions. The monomer units of the fluorene oligomers and polymers are bound to one another at the 2- and 7′-positions.Type: ApplicationFiled: January 5, 2001Publication date: December 20, 2001Inventors: Edmund P. Woo, William R. Shiang, Michael Inbasekaran, Gordon R. Roof
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Patent number: 6309763Abstract: A copolymer comprising 10-90 percent by weight of groups of Formula (I): and from 10-90 percent by weight of groups selected from Formulas (II), (III), and (IV): and mixtures thereof; wherein R1 is independently in each occurrence H, C1-C20 hydrocarbyl or C1-C20 hydrocarbyl containing one or more S, N, O, P or Si atoms, C4-C16 hydrocarbyl carbonyloxy, C4-C16 aryl(trialkylsiloxy) or both R1 may form with the 9-carbon on the fluorene ring a C5-C20 cycloaliphatic structure or a C4-C20 cycloaliphatic structure containing one or more heteroatoms of S, N, or O; R2 is independently in each occurrence C1-C20 hydrocarbyl, C1-C20 hydrocarbyloxy, C1-C20 thioether, C1-C20 hydrocarbylcarbonyloxy or cyano; R3 is independently in each occurrence carboxyl, C1-C20 alkyl, C1-C20 alkoxy or a group of the formula —CO2R4 wherein R4 is a C1-C20 alkyl; and a and b are independently in each occurrence an integer from 0 to 3.Type: GrantFiled: April 21, 1998Date of Patent: October 30, 2001Assignee: The Dow Chemical CompanyInventors: Edmund P. Woo, Mark T. Bernius, Michael Inbasekaran, Weishi Wu
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Publication number: 20010026878Abstract: A copolymer comprising 10-90 percent by weight of groups of Formula (I): 1Type: ApplicationFiled: March 15, 2001Publication date: October 4, 2001Inventors: Edmund P. Woo, Mark T. Bernius, Michael Inbasekaran, Weishi Wu
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Patent number: 6255447Abstract: The invention relates to 2,7-substituted-9-substituted fluorenes and 9-substituted fluorene oligomers and polymers. The fluorenes, oligomers and polymers are substituted at the 9-position with two hydrocarbyl moieties which may optionally contain one or more of sulfur, nitrogen, oxygen, phosphorous or silicon heteroatoms; a C5-20 ring structure formed with the 9-carbon on the fluorene ring or a C4-20 ring structure formed with the 9-carbon containing one or more heteroatoms of sulfur, nitrogen or oxygen; or a hydrocarbylidene moiety. In one embodiment, the fluorenes are substituted at the 2- and 7-positions with aryl moieties which may further be substituted with moieties which are capable of crosslinking or chain extension or a trialkylsiloxy moiety. The fluorene polymers and oligomers may be substituted at the 2- and 7′-positions. The monomer units of the fluorene oligomers and polymers are bound to one another at the 2- and 7′-positions.Type: GrantFiled: May 21, 1999Date of Patent: July 3, 2001Assignee: The Dow Chemical CompanyInventors: Edmund P. Woo, Michael Inbasekaran, William R. Shiang, Gordon R. Roof
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Patent number: 6255449Abstract: A compound of the formula: and compound of the formulas: wherein R1 is independently in each occurrence C1-20 hydrocarbyl or C1-20 hydrocarbyl containing one or more S, N, O, P or Si atoms, C4-16 hydrocarbyl carbonyloxy, C4-16 aryl(trialkylsiloxy) or both R1 may form with the 9-carbon on the fluorene ring a C5-20 ring structure or a C4-20 ring structure containing one or more heteroatoms of S, N or O; R2 is independently in each occurrence C1-20 hydrocarbyl, C1-20 hydrocarbyloxy, C1-20 thioether, C1-20 hydrocarbylcarbonyloxy or cyano; R3 is independently in each occurrence C1-20 hydrocarbyl or C1-20 hydrocarbyl substituted with di(C1-20 alkyl)amino, C1-20 hydrocarbyloxy or C1-20 hydrocarbyl or tri(C1-10 alkyl)siloxy; a is independently in each occurrence 0 or 1; X is independently in each occurrence a halogen moiety; and Z is independently in each occurrence —B(OH)2, —B(OR4)2 or wherein R4 is independently in each occurrence a C1-10 alkylType: GrantFiled: September 13, 2000Date of Patent: July 3, 2001Assignee: The Dow Chemical CompanyInventors: Edmund P. Woo, Michael Inbasekaran, William R. Shiang, Gordon R. Roof, Mark T. Bernius, Weishi Wu
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Patent number: 6204515Abstract: A field effect transistor is made of five parts. The first part is an insulator layer, the insulator layer being an electrical insulator such as silica, the insulator layer having a first side and a second side. The second part is a gate, the gate being an electrical conductor such as silver, the gate being positioned on the first side of the insulator layer. The third part is a semiconductor layer, the semiconductor layer including a polymer, at least ten weight percent of the monomer units of the polymer being a 9-substituted fluorene unit and/or a 9,9-substituted fluorene unit, the semiconductor layer having a first side, a second side, a first end and a second end, the second side of the semiconductor layer being on the second side of the insulator layer. The fourth part is a source, the source being an electrical conductor such as silver, the source being in electrical contact with the first end of the semiconductor layer.Type: GrantFiled: December 22, 1999Date of Patent: March 20, 2001Assignee: The Dow Chemical CompanyInventors: Mark T. Bernius, Edmund P. Woo
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Patent number: 6169163Abstract: A compound of the formula: and compounds of the formulas: wherein R1 is independently in each occurrence C1-20 hydrocarbyl or C1-20 hydrocarbyl containing one or more S, N, O, P or Si atoms, C4-16 hydrocarbyl carbonyloxy, C4-16 aryl(trialkylsiloxy) or both R1 may form with the 9-carbon on the fluorene ring a C5-20 ring structure or a C4-20 ring structure containing one or more heteroatoms of S, N or O; R2 is independently in each occurrence C1-20 hydrocarbyl, C1-20 hydrocarbyloxy, C1-20 thioether, C1-20 hydrocarbylcarbonyloxy or cyano; R3 is independently in each occurrence C1-20 hydrocarbyl or C1-20 hydrocarbyl substituted with di(C1-20 alkyl)amino, C1-20 hydrocarbyloxy or C1-20 hydrocarbyl or tri(C1-10 alkyl)siloxy; a is independently in each occurrence 0 or 1; X is independently in each occurrence a halogen moiety; and Z is independently in each occurrence —B(OH)2, —B(OR4)2 or wherein R4 is independently in each occurrence a C1-10 alkylType: GrantFiled: May 21, 1997Date of Patent: January 2, 2001Assignee: The Dow Chemical CompanyInventors: Edmund P. Woo, Michael Inbasekaran, William R. Shiang, Gordon R. Roof, Mark T. Bernius, Weishi Wu
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Patent number: 5962631Abstract: The invention relates to 2,7-substituted-9-substituted fluorenes and 9-substituted fluorene oligomers and polymers. The fluorenes, oligomers and polymers are substituted at the 9-position with two hydrocarbyl moieties which may optionally contain one or more of sulfur, nitrogen, oxygen, phosphorous or silicon heteroatoms; a C.sub.5-20 ring structure formed with the 9-carbon on the fluorene ring or a C.sub.4-20 ring structure formed with the 9-carbon containing one or more heteroatoms of sulfur, nitrogen or oxygen; or a hydrocarbylidene moiety. In one embodiment, the fluorenes are substituted at the 2- and 7-positions with aryl moieties which may further be substituted with moieties which are capable of crosslinking or chain extension or a trialkylsiloxy moiety. The fluorene polymers and oligomers may be substituted at the 2- and 7'-positions. The monomer units of the fluorene oligomers and polymers are bound to one another at the 2- and 7'-positions.Type: GrantFiled: December 19, 1997Date of Patent: October 5, 1999Assignee: The Dow Chemical CompanyInventors: Edmund P. Woo, William R. Shiang, Michael Inbasekaran, Gordon R. Roof
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Patent number: 5948552Abstract: An organic electroluminescent device that comprises a substrate, a first conductive layer on the substrate, an electron-transporting and light-emitting layer, a second conductive layer adjacent the electron-transporting and light-emitting layer and remote from the first conductive layer, and a hole-conducting layer sandwiched between the first conductive layer and the electron-transporting and light-emitting layer. The hole-conducting layer comprises a poly(arylamine) including at least one compound of formula (I): ##STR1## In this: R is independently in each occurrence a C.sub.1-24 hydrocarbyl, hydrocarboxyl, hydrothiocarboxy, hydroarylcarboxy, or hydrothioarylcarboxy; Ar.sub.1 and Ar.sub.2 are independently in each occurrence a C.sub.6-18 aryl moiety optionally substituted with one or more C.sub.Type: GrantFiled: August 27, 1996Date of Patent: September 7, 1999Assignees: Hewlett-Packard Company, The Dow Chemical CompanyInventors: Homer Antoniadis, Daniel B. Roitman, William R. Shiang, Edmund P. Woo, Weishi Wu