Patents by Inventor Aaron A. RACHFORD
Aaron A. RACHFORD 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).
-
Patent number: 11746184Abstract: Disclosed is a bis-imide compound comprising two or more aryl moieties substituted with ethynyl moieties and the two or more aryl moieties each having one or more polar substituents. Further disclosed is a polymer composition comprising a copolymer polymerized from a monomer mixture of (a) one or more first monomers comprising a bis-imide compound comprising two or more aryl moieties substituted with ethynyl moieties and the two or more aryl moieties each having one or more polar substituents; and (b) one or more second monomers comprising two or more cyclopentadienone moieties. The polymer compositions exhibit favorable properties for use in electronics and displays applications.Type: GrantFiled: November 4, 2020Date of Patent: September 5, 2023Assignee: ROHM AND HAAS ELECTRONIC MATERIALS LLCInventors: Aaron A. Rachford, Charles R. Kinzie, Michael K. Gallagher, Christopher Gilmore, Young-Seok Kim
-
Patent number: 11114617Abstract: Provided is a composition comprising a compound having structure (I) wherein each of A1, A2, A3, A4, A5, A6, A7, and A8 is independently CR12 or N; wherein one to four of A1, A2, A3, A4, A5, A6, A7, and A8 are N; wherein J1 is C or Si; wherein J2 is C(R13)n, O, (C(R13)n)2, S, NR13, or Se; wherein n is 1 or 2; wherein each of R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, and R13 is independently H, deuterium, or an organic group. Also provided is a method of making the composition, a method of making an organic light-emitting diode using the composition, and an organic light-emitting diode made by that method.Type: GrantFiled: August 11, 2017Date of Patent: September 7, 2021Assignees: Rohm and Haas Electronic Materials LLC, Dow Global Technologies LLCInventors: Laura Havens, Sukrit Mukhopadhyay, David S. Laitar, David D. Devore, Aaron A. Rachford, Erich J. Molitor
-
Publication number: 20210147616Abstract: Disclosed is a bis-imide compound comprising two or more aryl moieties substituted with ethynyl moieties and the two or more aryl moieties each having one or more polar substituents. Further disclosed is a polymer composition comprising a copolymer polymerized from a monomer mixture of (a) one or more first monomers comprising a bis-imide compound comprising two or more aryl moieties substituted with ethynyl moieties and the two or more aryl moieties each having one or more polar substituents; and (b) one or more second monomers comprising two or more cyclopentadienone moieties. The polymer compositions exhibit favorable properties for use in electronics and displays applications.Type: ApplicationFiled: November 4, 2020Publication date: May 20, 2021Inventors: Aaron A. Rachford, Charles R. Kinzie, Michael K. Gallagher, Christopher Gilmore, Young-Seok Kim
-
Publication number: 20210020837Abstract: Provided is a composition comprising a compound having structure (I) wherein each of A1, A2, A3, A4, A5, A6, A7, and A8 is independently CR12 or N; wherein one to four of A1, A2, A3, A4, A5, A6, A7, and A8 are N; wherein J1 is C or Si; wherein J2 is C(R13)n, O, (C(R13)n)2, S, NR13, or Se; wherein n is 1 or 2; wherein each of R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, and R13 is independently H, deuterium, or an organic group. Also provided is a method of making the composition, a method of making an organic light-emitting diode using the composition, and an organic light-emitting diode made by that method.Type: ApplicationFiled: August 11, 2017Publication date: January 21, 2021Inventors: Laura HAVENS, Sukrit Mukhopadhyay, David S. Laitar, David D. Devore, Aaron A. Rachford, Erich J. Moiitor
-
Patent number: 10794866Abstract: Acoustic wave sensors comprise: a piezoelectric layer, first and second electrodes arranged with the piezoelectric layer in a piezoelectric transducer circuit; and a polymeric sensing layer for adsorbing a gas-phase analyte, the adsorption of which analyte causes a change in resonant frequency of the piezoelectric transducer circuit, wherein the polymeric sensing layer comprises: (a) a polymer chosen from substituted or unsubstituted: polyarylenes comprising the reaction product of monomers comprising a first monomer comprising an aromatic acetylene group and a second monomer comprising a cyclopentadienone group; polyamides; polypyrazoles; or novolacs; or a cured product thereof; (b) a polymer chosen from substituted or unsubstituted: polyamic acids; or polyamic acid-polyimide copolymers; (c) a polymer formed from one or more monomers comprising a monomer comprising a polar group-substituted arylcyclobutene group, or a cured product thereof; or (d) a polymer comprising polymerized units of a monomer chosen frType: GrantFiled: January 8, 2019Date of Patent: October 6, 2020Assignees: Rohm and Haas Electronic Materials LLC, Rohm and Haas Electronic Materials Korea Ltd.Inventors: Christopher Gilmore, Aaron A. Rachford, Hee Jae Yoon, Jaclyn Murphy, Peter Trefonas, III, Deyan Wang
-
Publication number: 20190219543Abstract: Acoustic wave sensors comprise: a piezoelectric layer, first and second electrodes arranged with the piezoelectric layer in a piezoelectric transducer circuit; and a polymeric sensing layer for adsorbing a gas-phase analyte, the adsorption of which analyte causes a change in resonant frequency of the piezoelectric transducer circuit, wherein the polymeric sensing layer comprises: (a) a polymer chosen from substituted or unsubstituted: polyarylenes comprising the reaction product of monomers comprising a first monomer comprising an aromatic acetylene group and a second monomer comprising a cyclopentadienone group; polyamides; polypyrazoles; or novolacs; or a cured product thereof; (b) a polymer chosen from substituted or unsubstituted: polyamic acids; or polyamic acid-polyimide copolymers; (c) a polymer formed from one or more monomers comprising a monomer comprising a polar group-substituted arylcyclobutene group, or a cured product thereof; or (d) a polymer comprising polymerized units of a monomer chosen frType: ApplicationFiled: January 8, 2019Publication date: July 18, 2019Inventors: Christopher GILMORE, Aaron A. Rachford, Hee Jae Yoon, Jaclyn Murphy, Peter Trefonas, III, Deyan Wang
-
Patent number: 10329483Abstract: The present disclosure provides a composition comprising at least one compound selected from the group consisting of Compound 1, Compound 2, and combinations thereof, as shown below, and described herein: wherein, for Compound 1 and Compound 2, independently, R1 and R2 each independently is selected from the group consisting of hydrogen, a substituted alkyl, an unsubstituted alkyl, a substituted heteroalkyl, an unsubstituted heteroalkyl, a substituted aryl, an unsubstituted aryl, a substituted heteroaryl and an unsubstituted heteroaryl; wherein, for Compound 1 and Compound 2, independently, the Component A is selected from the group consisting of Group a) through Group h): wherein Group a) through Group h) are described herein.Type: GrantFiled: December 21, 2015Date of Patent: June 25, 2019Assignee: Dow Global Technologies LLCInventors: Kaitlyn Gray, Aaron Rachford, David Laitar, Sukrit Mukhopadhyay, Robert Froese
-
Publication number: 20180162967Abstract: Polyarylene oligomer compositions capable of curing at lower temperatures than conventional polyarylene oligomers are useful in forming dielectric material layers in electronics applications.Type: ApplicationFiled: October 18, 2017Publication date: June 14, 2018Inventors: Christopher Gilmore, Aaron A. Rachford, Jieqian Zhang, Ping Ding, Dong Eun Lee, Anton Li, Young-Seok Kim
-
Publication number: 20180162992Abstract: Polyarylene oligomer compositions having improved adhesion to surfaces as compared to conventional polyarylene oligomers are useful in forming dielectric material layers in electronics applications.Type: ApplicationFiled: October 13, 2017Publication date: June 14, 2018Inventors: Christopher Gilmore, Aaron A. Rachford, Elizabeth K. Michael-Sapia, Dong Eun Lee, Jieqian Zhang, Ping Ding, Young-Seok Kim
-
Publication number: 20180138407Abstract: A compound having a four-coordinate boron atom to which is connected a first C3-C25 substituent, a second C3-C25 substituent and a bridging substituent comprising from eight to forty non-hydrogen atoms and having two bonds to the boron atom; wherein: (i) each of the first and second C3-C25 substituents is bonded to the boron atom through a carbon, nitrogen or oxygen atom, and, optionally the first and second C3-C25 substituents are connected to form a single substituent having two bonds to the boron atom; (ii) at least one of the first and second C3-C25 substituents is a C6-C25 aromatic substituent; (iii) said aromatic substituent comprises at least one nitrogen atom which is bonded only to carbon or boron atoms; and (iv) the bridging substituent has at least one oxygen, nitrogen, sulfur or phosphorus atom bonded to the boron atom and at least one aromatic ring.Type: ApplicationFiled: April 22, 2016Publication date: May 17, 2018Inventors: Thomas P. Clark, David S. Laitar, Sukrit Mukhopadhyay, Aaron A. Rachford, Robert DJ Froese, David D. Devore, Bethany Neilson, Jeong-Hwan Jeon, Hong-Yeop Na
-
Publication number: 20180127403Abstract: A compound having a tricyclic nucleus and having formula (I) wherein Ar is C3-C25 aryl in which at least one aromatic ring atom is nitrogen; X is O, S or CR9R10; R1, R2, R3, R4, R5 and R6 independently are hydrogen, deuterium, C1-C12 alkyl, C4-C12 aryl or C2-C12 alkenyl; R7 and R8 independently are hydrogen, deuterium, C1-C12 alkyl, C4-C12 aryl or C2-C12 alkenyl or R7 and R8 groups attached to a nitrogen atom are joined by a single bond, O, S or CR11R12 to form a single nitrogen-containing substituent; R9 and R10 independently are hydrogen, deuterium, C1-C12 alkyl, C4-C12 aryl or C2-C12 alkenyl; and R11 and R12 independently are hydrogen, deuterium, C1-C12 alkyl, C4-C12 aryl or C2-C12 alkenyl; provided that Ar does not contain an aromatic ring attached to the tricyclic nucleus which contains more than two aromatic ring nitrogen atoms.Type: ApplicationFiled: July 7, 2016Publication date: May 10, 2018Inventors: Nolan T. McDougal, David S. Laitar, Sukrit Mukhopadhyay, Thomas P. Clark, David D. Devore, Kaitlyn Gray, Aaron A. Rachford, Robert DJ Froese
-
Publication number: 20180002597Abstract: The present disclosure provides a composition comprising at least one compound selected from the group consisting of Compound 1, Compound 2, and combinations thereof, as shown below, and described herein: wherein, for Compound 1 and Compound 2, independently, R1 and R2 each independently is selected from the group consisting of hydrogen, a substituted alkyl, an unsubstituted alkyl, a substituted heteroalkyl, an unsubstituted heteroalkyl, a substituted aryl, an unsubstituted aryl, a substituted heteroaryl and an unsubstituted heteroaryl; wherein, for Compound 1 and Compound 2, independently, the Component A is selected from the group consisting of Group a) through Group h): wherein Group a) through Group h) are described herein.Type: ApplicationFiled: December 21, 2015Publication date: January 4, 2018Inventors: Kaitlyn Gray, Aaron Rachford, David Laitar, Sukrit Mukhopadhyay, Robert Froese
-
Publication number: 20170229670Abstract: The invention provides compositions comprising copper(I) pyrazolate dimer compounds for use in OLEDs applications. The inventive compositions can be used to generate visible light colors or a color blend in electronic devices.Type: ApplicationFiled: October 6, 2015Publication date: August 10, 2017Applicant: Dow Global Technologies LLCInventors: David S. Laitar, Thomas P. Clark, Aaron A. Rachford, Sukrit Mukhopadhyay, Timothy S. De Vries, David D. Devore
-
Publication number: 20170009006Abstract: Polyarylene oligomers formed from an aromatic dialkyne monomer having a solubility enhancing moiety show improved solubility in certain organic solvents and are useful in forming dielectric material layers in electronics applications.Type: ApplicationFiled: February 29, 2016Publication date: January 12, 2017Inventors: Ping Ding, Peng-Wei Chuang, Christopher Gilmore, Cecilia W. Kiarie, Young-Seok Kim, Jieqian Zhang, Aaron A. Rachford, Shintaro Yamada, James Cameron
-
Patent number: 9500947Abstract: Acid generator compounds are provided that are particularly useful as a photoresist composition component. Acid generator compounds of the invention comprise 1) a cyclic sulfonium salt and 2) a covalently linked photoacid-labile group. In one aspect, thioxanthone acid generator compounds are particularly preferred, including acid generator compounds that comprise (i) a thioxanthone moiety; and (ii) one or more covalently linked acid labile-groups.Type: GrantFiled: September 16, 2013Date of Patent: November 22, 2016Assignees: Rohm and Haas Electronic Materials LLC, Dow Global Technologies LLCInventors: Paul J. LaBeaume, Aaron A. Rachford, Vipul Jain
-
Publication number: 20140080059Abstract: Acid generator compounds are provided that are particularly useful as a photoresist composition component. Acid generator compounds of the invention comprise 1) a cyclic sulfonium salt and 2) a covalently linked photoacid-labile group. In one aspect, thioxanthone acid generator compounds are particularly preferred, including acid generator compounds that comprise (i) a thioxanthone moiety; and (ii) one or more covalently linked acid labile-groups.Type: ApplicationFiled: September 16, 2013Publication date: March 20, 2014Inventors: Paul J. LaBEAUME, Aaron A. RACHFORD, Vipul JAIN