Patents by Inventor Krishnamachari Gopalan

Krishnamachari Gopalan 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: 20190202957
    Abstract: A silane-grafted polyolefin composition is disclosed and includes a desired reduced specific weight material. The composition finds application in a wide array of uses, and in particular automotive and uses such as windshield wipers, where this composition is used in place of conventional materials such as TPV and EPDM rubber formulations.
    Type: Application
    Filed: March 9, 2019
    Publication date: July 4, 2019
    Applicant: Cooper Standard Automotive, Inc.
    Inventors: Krishnamachari Gopalan, Robert J. Lenhart, Gending Ji
  • Publication number: 20190185604
    Abstract: A silane-grafted polyolefin composition is disclosed, and includes a desired reduced specific weight material. The composition finds application in a wide array of uses, and in particular automotive and uses such as weatherstrips, where this composition is used in place of conventional materials such as TPV and EPDM rubber formulations.
    Type: Application
    Filed: February 21, 2019
    Publication date: June 20, 2019
    Applicant: Cooper-Standard Automotive, Inc.
    Inventors: Krishnamachari Gopalan, Robert J. Lenhart, Gending Ji
  • Publication number: 20190105883
    Abstract: A membrane that includes: at least one layer comprising a first silane-crosslinked polyolefin elastomer having a density from about 0.80 g/cm3to about 1.75 g/cm3. The silane-crosslinked polyolefin elastomer can exhibit a crystallinity of from about 5% to about 25% and a glass transition temperature of from about ?75° C. to about ?25° C. Further, the first silane-crosslinked polyolefin elastomer can comprise a first polyolefin having a density less than 0.90 g/cm3, a second polyolefin, a silane crosslinker, a grafting initiator, and a condensation catalyst. In addition, the at least one layer can comprise a thickness from about 0.2 mm to about 3 mm.
    Type: Application
    Filed: December 7, 2018
    Publication date: April 11, 2019
    Applicant: Cooper-Standard Automotive Inc.
    Inventors: Krishnamachari Gopalan, Robert J. Lenhart, Gending Ji, Roland Herd-Smith
  • Patent number: 10253127
    Abstract: A silane-grafted polyolefin composition is disclosed, and includes a desired reduced specific weight material. The composition finds application in a wide array of uses, and in particular automotive and uses such as weatherstrips, where this composition is used in place of conventional materials such as TPV and EPDM rubber formulations.
    Type: Grant
    Filed: May 14, 2018
    Date of Patent: April 9, 2019
    Assignee: Cooper-Standard Automotive, Inc.
    Inventors: Krishnamachari Gopalan, Robert J. Lenhart, Gending Ji
  • Patent number: 10221989
    Abstract: A double wall steel tube includes an inner tube wall and an outer tube wall. The inner and outer tube walls are formed from a tubing material including an inner layer of iron steel, first and second outer layers of an alloy of aluminum and silicon, a first intermediate layer disposed between the inner layer and the first outer layer, and a second intermediate layer disposed between the inner layer and the second outer layer. The first and second intermediate layers include aluminum, silicon and iron. The inner and outer tube walls are brazed together.
    Type: Grant
    Filed: April 15, 2016
    Date of Patent: March 5, 2019
    Assignee: COOPER-STANDARD AUTOMOTIVE INC.
    Inventors: Jose Reyes Flores Ramirez, Krishnamachari Gopalan, Lyle Otremba
  • Publication number: 20190045881
    Abstract: A roofing membrane and a method of making the same is provided. The roofing membrane includes a top layer having a flame retardant and a first silane-crosslinked polyolefin elastomer with a density less than 0.90 g/cm3; a scrim layer; and a bottom layer having a flame retardant and a second silane-crosslinked polyolefin elastomer with a density less than 0.90 g/cm3. The top and bottom layers of the roofing membrane both exhibit a compression set of from about 5.0% to about 35.0%, as measured according to ASTM D 395 (22 hrs @ 70° C.).
    Type: Application
    Filed: September 27, 2018
    Publication date: February 14, 2019
    Applicant: Cooper-Standard Automotive Inc.
    Inventors: Krishnamachari Gopalan, Robert J. Lenhart, Gending Ji, Roland Herd-Smith
  • Publication number: 20190031805
    Abstract: A silane-grafted polyolefin composition is disclosed, and includes a desired reduced specific weight material. The composition finds application in a wide array of uses, and in particular automotive and uses such as weatherstrips, where this composition is used in place of conventional materials such as TPV and EPDM rubber formulations.
    Type: Application
    Filed: September 27, 2018
    Publication date: January 31, 2019
    Applicant: Cooper-Standard Automotive, Inc.
    Inventors: Krishnamachari Gopalan, Robert J. Lenhart, Gending Ji
  • Publication number: 20190029361
    Abstract: A shoe sole composition and method for making a shoe sole are provided. The shoe sole includes a composition comprising a foamed silane-crosslinked polyolefin elastomer having a density less than 0.50 g/cm3. The shoe sole exhibits a compression set of from about 5.0% to about 20.0%, as measured according to ASTM D 395 (6 hrs @ 50° C.). The foamed silane-crosslinked polyolefin elastomer can be produced from a blend including a first polyolefin having a density less than 0.86 g/cm3, a second polyolefin, having a crystallinity less than 40%, a silane crosslinker, a grafting initiator, a condensation catalyst, and a foaming agent.
    Type: Application
    Filed: September 27, 2018
    Publication date: January 31, 2019
    Applicant: Cooper-Standard Automotive Inc.
    Inventors: Krishnamachari Gopalan, Robert J. Lenhart, Gending Ji, Roland Herd-Smith
  • Publication number: 20190021441
    Abstract: An elastomeric article is provided that includes a composition having a silane-crosslinked polyolefin elastomer with a density less than 0.90 g/cm3. The elastomeric article can exhibit a compression set of from about 5.0% to about 35.0%, as measured according to ASTM D 395 (22 hrs @ 70° C.). The silane-crosslinked polyolefin elastomer can include a first polyolefin having a density less than 0.86 g/cm3, a second polyolefin having a crystallinity less than 40%, a silane crosslinker, a grafting initiator, and a condensation catalyst.
    Type: Application
    Filed: September 27, 2018
    Publication date: January 24, 2019
    Applicant: Cooper-Standard Automotive Inc.
    Inventors: Krishnamachari Gopalan, Robert J. Lenhart, Gending Ji, Roland Herd-Smith
  • Patent number: 10100139
    Abstract: A silane-grafted polyolefin composition is disclosed, and includes a desired reduced specific weight material. The composition finds application in a wide array of uses, and in particular automotive and uses such as hoses, where this composition is used in place of conventional materials such as TPV and EPDM rubber formulations.
    Type: Grant
    Filed: August 1, 2014
    Date of Patent: October 16, 2018
    Assignee: Cooper-Standard Automotive Inc.
    Inventors: Krishnamachari Gopalan, Gending Ji, Robert J. Lenhart, Eric Nicolino, Pierre Youinou
  • Publication number: 20180282460
    Abstract: A silane-grafted polyolefin composition is disclosed, and includes a desired reduced specific weight material. The composition finds application in a wide array of uses, and in particular automotive and uses such as hoses, where this composition is used in place of conventional materials such as TPV and EPDM rubber formulations.
    Type: Application
    Filed: June 7, 2018
    Publication date: October 4, 2018
    Applicant: COOPER-STANDARD AUTOMOTIVE INC.
    Inventors: Krishnamachari Gopalan, Gending Ji, Robert J. Lenhart, Eric Nicolino, Pierre Youinou
  • Publication number: 20180258208
    Abstract: A silane-grafted polyolefin composition is disclosed, and includes a desired reduced specific weight material. The composition finds application in a wide array of uses, and in particular automotive and uses such as weatherstrips, where this composition is used in place of conventional materials such as TPV and EPDM rubber formulations.
    Type: Application
    Filed: May 14, 2018
    Publication date: September 13, 2018
    Applicant: Cooper-Standard Automotive, Inc.
    Inventors: Krishnamachari Gopalan, Robert J. Lenhart, Gending Ji
  • Publication number: 20180237569
    Abstract: A silane-grafted polyolefin composition is disclosed, and includes a desired reduced specific weight material. The composition finds application in a wide array of uses, and in particular automotive and uses such as hoses, where this composition is used in place of conventional materials such as TPV and EPDM rubber formulations.
    Type: Application
    Filed: August 1, 2014
    Publication date: August 23, 2018
    Inventors: Krishnamachari Gopalan, Gending Ji, Robert J. Lenhart, Eric Nicolino, Pierre Youinou
  • Publication number: 20180223025
    Abstract: A silane-grafted polyolefin composition is disclosed, and includes a desired reduced specific weight material. The composition finds application in a wide array of uses, and in particular automotive and uses such as weatherstrips, where this composition is used in place of conventional materials such as TPV and EPDM rubber formulations.
    Type: Application
    Filed: June 16, 2014
    Publication date: August 9, 2018
    Inventors: Krishnamachari Gopalan, Robert J. Lenhart, Gending Ji
  • Patent number: 10040888
    Abstract: A silane-grafted polyolefin composition is disclosed, and includes a desired reduced specific weight material. The composition finds application in a wide array of uses, and in particular automotive and uses such as weatherstrips, where this composition is used in place of conventional materials such as TPV and EPDM rubber formulations.
    Type: Grant
    Filed: June 16, 2014
    Date of Patent: August 7, 2018
    Assignee: Cooper-Standard Automotive Inc.
    Inventors: Krishnamachari Gopalan, Robert J. Lenhart, Gending Ji
  • Publication number: 20180160767
    Abstract: A shoe sole composition and method for making a shoe sole are provided. The shoe sole includes a composition comprising a foamed silane-crosslinked polyolefin elastomer having a density less than 0.50 g/cm3. The shoe sole exhibits a compression set of from about 5.0% to about 20.0%, as measured according to ASTM D 395 (6 hrs @ 50° C.). The foamed silane-crosslinked polyolefin elastomer can be produced from a blend including a first polyolefin having a density less than 0.86 g/cm3, a second polyolefin, having a crystallinity less than 40%, a silane crosslinker, a grafting initiator, a condensation catalyst, and a foaming agent.
    Type: Application
    Filed: December 8, 2017
    Publication date: June 14, 2018
    Applicant: Cooper-Standard Automotive Inc.
    Inventors: Krishnamachari Gopalan, Robert J. Lenhart, Gending Ji, Roland Herd-Smith
  • Publication number: 20180163031
    Abstract: A microdense sealing member is provided. The microdense sealing member includes a composition having a foamed silane-crosslinked polyolefin elastomer with a density less than 0.70 g/cm3. The microdense sealing member can exhibit a compression set of from about 5.0% to about 35.0% measured according to ASTM D 395 (22 hrs @ 70° C.). The foamed silane-crosslinked polyolefin elastomer can be produced from a blend including a first polyolefin having a density less than 0.86 g/cm3, a second polyolefin having a crystallinity less than 60° C., a silane crosslinker, a grafting initiator, a condensation catalyst, and a microencapsulated foaming agent.
    Type: Application
    Filed: December 8, 2017
    Publication date: June 14, 2018
    Applicant: Cooper-Standard Automotive Inc.
    Inventors: Krishnamachari Gopalan, Robert J. Lenhart, Gending Ji, Roland Herd-Smith
  • Publication number: 20180162978
    Abstract: A static sealing member is provided that includes a composition having a silane-crosslinked polyolefin elastomer with a density less than 0.90 g/cm3. The static sealing member can exhibit a compression set of from about 5.0% to about 35.0%, as measured according to ASTM D 395 (22 hrs @ 70° C.). The silane-crosslinked polyolefin elastomer can include a first polyolefin having a density less than 0.86 g/cm3, a second polyolefin having a crystallinity less than 40%, a silane crosslinker, a grafting initiator, and a condensation catalyst.
    Type: Application
    Filed: December 8, 2017
    Publication date: June 14, 2018
    Applicant: Cooper-Standard Automotive Inc.
    Inventors: Krishnamachari Gopalan, Robert J. Lenhart, Gending Ji, Roland Herd-Smith
  • Publication number: 20180163024
    Abstract: An elastomeric article is provided that includes a composition having a silane-crosslinked polyolefin elastomer with a density less than 0.90 g/cm3. The elastomeric article can exhibit a compression set of from about 5.0% to about 35.0%, as measured according to ASTM D 395 (22 hrs @70° C.). The silane-crosslinked polyolefin elastomer can include a first polyolefin having a density less than 0.86 g/cm3, a second polyolefin having a crystallinity less than 40%, a silane crosslinker, a grafting initiator, and a condensation catalyst.
    Type: Application
    Filed: December 8, 2017
    Publication date: June 14, 2018
    Applicant: Cooper-Standard Automotive Inc.
    Inventors: Krishnamachari Gopalan, Robert J. Lenhart, Gending Ji, Roland Herd-Smith
  • Publication number: 20180163037
    Abstract: A sponge sealing member is provided that includes a composition having a silane-crosslinked polyolefin elastomer with a density less than 0.60 g/cm3. The sponge sealing member can exhibit a compression set of from about 5.0% to about 35.0%, as measured according to ASTM D 395 (22 hrs @ 70° C.). The silane-crosslinked polyolefin elastomer can also include a first polyolefin having a density less than 0.86 g/cm3, a second polyolefin having a crystallinity less than 40%, a silane crosslinker, a grafting initiator, a condensation catalyst, and a foaming agent.
    Type: Application
    Filed: December 8, 2017
    Publication date: June 14, 2018
    Applicant: Cooper-Standard Automotive Inc.
    Inventors: Krishnamachari Gopalan, Robert J. Lenhart, Gending Ji, Roland Herd-Smith