Patents by Inventor Yuriko Sekimoto

Yuriko Sekimoto 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: 10711085
    Abstract: A crosslinking agent includes a compound represented by the following formula (1). wherein R1, R2, and R3 are independently a hydrogen atom, a fluorine atom, an alkyl group, a fluoroalkyl group, or a substituted or unsubstituted aryl group, a plurality of R1 are identical to or different from each other, a plurality of R2 are identical to or different from each other, a plurality of R3 are identical to or different from each other, provided that at least one of R1, R2, and R3 is a hydrogen atom, and at least one of R1, R2, and R3 is a fluorine atom or a fluorine atom-containing group, m is an integer from 2 to 6, l is an integer from 0 to 2, and each hydrogen on the benzene ring(s) may be substituted.
    Type: Grant
    Filed: January 23, 2019
    Date of Patent: July 14, 2020
    Assignee: NICHIAS CORPORATION
    Inventors: Tomoya Shimizu, Ayumi Maezawa, Yuriko Sekimoto
  • Publication number: 20200148805
    Abstract: A crosslinking agent includes a compound represented by a formula (1), wherein R1, R2, and R3 are independently a hydrogen atom, a fluorine atom, an alkyl group, a fluoroalkyl group, or a substituted or unsubstituted aryl group, a plurality of R1 are identical to or different from each other, a plurality of R2 are identical to or different from each other, and a plurality of R3 are identical to or different from each other, provided that at least one of R1, R2, and R3 is a hydrogen atom, and at least one of R1, R2, and R3 is a fluorine atom or a fluorine atom-containing group; m is an integer from 2 to 6; l is an integer from 0 to 2; and each hydrogen on the benzene ring(s) may be substituted.
    Type: Application
    Filed: January 9, 2020
    Publication date: May 14, 2020
    Applicant: NICHIAS CORPORATION
    Inventors: Tomoya SHIMIZU, Ayumi MAEZAWA, Yuriko SEKIMOTO
  • Patent number: 10584197
    Abstract: A composition includes a fluoroelastomer, a crosslinking initiator, and a crosslinking agent. The crosslinking agent comprises a compound that comprises two or more structures represented by a formula (3), wherein R1, R2, and R3 are independently a hydrogen atom, a fluorine atom, an alkyl group, a fluoroalkyl group, or a substituted or unsubstituted aryl group, a plurality of R1 are identical to or different from each other, a plurality of R2 are identical to or different from each other, a plurality of R3 are identical to or different from each other, provided that at least one of R1, R2, and R3 is a hydrogen atom, and at least one of R1, R2, and R3 is a fluorine atom or a fluorine atom-containing group; n are independently an integer from 1 to 5; and each hydrogen on the benzene rings may be substituted.
    Type: Grant
    Filed: May 20, 2019
    Date of Patent: March 10, 2020
    Assignee: NICHIAS CORPORATION
    Inventors: Tomoya Shimizu, Ayumi Maezawa, Yuriko Sekimoto
  • Publication number: 20190270835
    Abstract: A composition includes a fluoroelastomer, a crosslinking initiator, and a crosslinking agent. The crosslinking agent comprises a compound that comprises two or more structures represented by a formula (3), wherein R1, R2, and R3 are independently a hydrogen atom, a fluorine atom, an alkyl group, a fluoroalkyl group, or a substituted or unsubstituted aryl group, a plurality of R1 are identical to or different from each other, a plurality of R2 are identical to or different from each other, a plurality of R3 are identical to or different from each other, provided that at least one of R1, R2, and R3 is a hydrogen atom, and at least one of R1, R2, and R3 is a fluorine atom or a fluorine atom-containing group; n are independently an integer from 1 to 5; and each hydrogen on the benzene rings may be substituted.
    Type: Application
    Filed: May 20, 2019
    Publication date: September 5, 2019
    Applicant: NICHIAS CORPORATION
    Inventors: Tomoya SHIMIZU, Ayumi MAEZAWA, Yuriko SEKIMOTO
  • Patent number: 10344113
    Abstract: A crosslinking agent includes a compound represented by the following formula (1). wherein R1, R2, and R3 are independently a hydrogen atom, a fluorine atom, an alkyl group, a fluoroalkyl group, or a substituted or unsubstituted aryl group, a plurality of R1 are identical to or different from each other, a plurality of R2 are identical to or different from each other, a plurality of R3 are identical to or different from each other, provided that at least one of R1, R2, and R3 is a hydrogen atom, and at least one of R1, R2, and R3 is a fluorine atom or a fluorine atom-containing group, m is an integer from 2 to 6, l is an integer from 0 to 2, and each hydrogen on the benzene ring(s) may be substituted.
    Type: Grant
    Filed: July 31, 2015
    Date of Patent: July 9, 2019
    Assignee: NICHIAS CORPORATION
    Inventors: Tomoya Shimizu, Ayumi Maezawa, Yuriko Sekimoto
  • Publication number: 20190153138
    Abstract: A crosslinking agent includes a compound represented by the following formula (1). wherein R1, R2, and R3 are independently a hydrogen atom, a fluorine atom, an alkyl group, a fluoroalkyl group, or a substituted or unsubstituted aryl group, a plurality of R1 are identical to or different from each other, a plurality of R2 are identical to or different from each other, a plurality of R3 are identical to or different from each other, provided that at least one of R1, R2, and R3 is a hydrogen atom, and at least one of R1, R2, and R3 is a fluorine atom or a fluorine atom-containing group, m is an integer from 2 to 6, l is an integer from 0 to 2, and each hydrogen on the benzene ring(s) may be substituted.
    Type: Application
    Filed: January 23, 2019
    Publication date: May 23, 2019
    Applicant: NICHIAS CORPORATION
    Inventors: Tomoya SHIMIZU, Ayumi MAEZAWA, Yuriko SEKIMOTO
  • Patent number: 10253128
    Abstract: A crosslinking agent includes a compound represented by the following formula (1). In the formula (1), R1, R2, and R3 are independently a fluorine atom, an alkyl group, a fluoroalkyl group, or a substituted or unsubstituted aryl group, a plurality of R1 are identical or different, a plurality of R2 are identical or different, a plurality of R3 are identical or different, provided that at least one of R1, R2, and R3 is a fluorine atom or a fluorine atom-containing group, m is an integer of from 2 to 6, l is an integer of from 0 to 2, and each hydrogen on the benzene ring(s) is optionally substituted with a substituent.
    Type: Grant
    Filed: July 30, 2014
    Date of Patent: April 9, 2019
    Assignee: NICHIAS CORPORATION
    Inventors: Tomoya Shimizu, Ayumi Maezawa, Yuriko Sekimoto, Naoya Kuzawa
  • Publication number: 20170226255
    Abstract: A crosslinking agent includes a compound represented by the following formula (1). wherein R1, R2, and R3 are independently a hydrogen atom, a fluorine atom, an alkyl group, a fluoroalkyl group, or a substituted or unsubstituted aryl group, a plurality of R1 are identical to or different from each other, a plurality of R2 are identical to or different from each other, a plurality of R3 are identical to or different from each other, provided that at least one of R1, R2, and R3 is a hydrogen atom, and at least one of R1, R2, and R3 is a fluorine atom or a fluorine atom-containing group, m is an integer from 2 to 6, l is an integer from 0 to 2, and each hydrogen on the benzene ring(s) may be substituted.
    Type: Application
    Filed: July 31, 2015
    Publication date: August 10, 2017
    Applicant: NICHIAS CORPORATION
    Inventors: Tomoya SHIMIZU, Ayumi MAEZAWA, Yuriko SEKIMOTO
  • Publication number: 20160185892
    Abstract: A crosslinking agent includes a compound represented by the following formula (1). In the formula (1), R1, R2, and R3 are independently a fluorine atom, an alkyl group, a fluoroalkyl group, or a substituted or unsubstituted aryl group, a plurality of R1 are identical or different, a plurality of R2 are identical or different, a plurality of R3 are identical or different, provided that at least one of R1, R2, and R3 is a fluorine atom or a fluorine atom-containing group, m is an integer of from 2 to 6, l is an integer of from 0 to 2, and each hydrogen on the benzene ring(s) is optionally substituted with a substituent.
    Type: Application
    Filed: July 30, 2014
    Publication date: June 30, 2016
    Applicant: NICHIAS CORPORATION
    Inventors: Tomoya Shimizu, Ayumi Maezawa, Yuriko Sekimoto, Naoya Kuzawa
  • Publication number: 20160032039
    Abstract: A method for producing a cross-linked fluoroelastomer including cross-linking a fluoroelastomer with a cross-linking agent in an inert gas atmosphere in the presence of an initiator.
    Type: Application
    Filed: March 27, 2014
    Publication date: February 4, 2016
    Applicant: Nichias Corporation
    Inventors: Tomoya Shimizu, Ayumi Maezawa, Yuriko Sekimoto, Naoya Kuzawa