Patents by Inventor Cecile O. MEJEAN

Cecile O. MEJEAN 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: 20230364742
    Abstract: An abrasive particle can include a body including abrasive particles contained in a bond matrix. The bond matrix can include a first phase and a second phase. In an embodiment, the body can have a Microstructure Feature of greater than 1 and a Non-Bond Value of not greater than 50%. In another embodiment, the body can include a Microstructure Feature including a Spacing Value of at least 0.01.
    Type: Application
    Filed: October 16, 2020
    Publication date: November 16, 2023
    Inventors: Ji WANG, Kelley MCNEAL, Jian XU, Ji XIAO, Aiyun LUO, Cecile O. MEJEAN
  • Publication number: 20230356360
    Abstract: An abrasive article can include a body including a bond material, abrasive particles, and a plurality of pores, wherein the bond material can comprise a vitreous material. In one embodiment, an average particle size of the abrasive particles can be between 0.1 microns to 5 microns, and a porosity of the body may be between 40 vol % to 70 vol %, wherein the porosity may define an average pore size (D50) of at least 0.1 microns and not greater than 5 microns.
    Type: Application
    Filed: April 27, 2023
    Publication date: November 9, 2023
    Inventors: CECILE O. MEJEAN, John S. HAGAN, Linda S. BATEMAN, Alexandre TEMPERELLI, Taewook HWANG, Ramanujam VEDANTHAM, John M. GULCIUS, Maureen A. BROSNAN
  • Patent number: 11667009
    Abstract: An abrasive article can include a body including a bond material, abrasive particles, and a plurality of pores, wherein the bond material can comprise a vitreous material. In one embodiment, an average particle size of the abrasive particles can be between 0.1 microns to 5 microns, and a porosity of the body may be between 40 vol % to 70 vol %, wherein the porosity may define an average pore size (D50) of at least 0.1 microns and not greater than 5 microns.
    Type: Grant
    Filed: July 9, 2021
    Date of Patent: June 6, 2023
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Cecile O. Mejean, John S. Hagan, Linda S. Bateman, Alexandre Temperelli, Taewook Hwang, Ramanujam Vedantham, John M. Gulcius, Maureen A. Brosnan
  • Publication number: 20220203502
    Abstract: An abrasive article including a body comprising abrasive segments coupled to a major planar surface of a substrate, where a first abrasive segment comprises a first wear life index (w1) that is different than a second wear life index (w2) of the second abrasive segment by at least 5%.
    Type: Application
    Filed: December 28, 2021
    Publication date: June 30, 2022
    Inventors: Cecile O. MEJEAN, Taewook HWANG, Samuel H. ODEH
  • Publication number: 20220105604
    Abstract: An abrasive article including a substrate, a first bonding material including metal overlying the substrate, abrasive particles overlying the substrate and coupled to the first bonding material, and a second bonding material including a metal and phosphorus overlying at least a portion of the first bonding material.
    Type: Application
    Filed: December 17, 2021
    Publication date: April 7, 2022
    Inventors: Lenny C. SALES, Trent GRAHAM, Lucie FRAICHARD, Cecile O. MEJEAN, Anton COTTRILL
  • Publication number: 20220009056
    Abstract: An abrasive article can include a body including a bond material, abrasive particles, and a plurality of pores, wherein the bond material can comprise a vitreous material. In one embodiment, an average particle size of the abrasive particles can be between 0.1 microns to 5 microns, and a porosity of the body may be between 40 vol % to 70 vol %, wherein the porosity may define an average pore size (D50) of at least 0.1 microns and not greater than 5 microns.
    Type: Application
    Filed: July 9, 2021
    Publication date: January 13, 2022
    Inventors: Cecile O. MEJEAN, John S. HAGAN, Linda S. BATEMAN, Alexandre TEMPERELLI, Taewook HWANG, Ramanujam VEDANTHAM, John M. GULCIUS, Maureen A. BROSNAN
  • Patent number: 11213929
    Abstract: An abrasive article including a substrate, a first bonding material including metal overlying the substrate, abrasive particles overlying the substrate and coupled to the first bonding material, and a second bonding material including a metal and phosphorus overlying at least a portion of the first bonding material.
    Type: Grant
    Filed: July 23, 2019
    Date of Patent: January 4, 2022
    Assignees: SAINT-GOBAIN ABRASSIVES, INC.
    Inventors: Lenny C. Sales, Trent Graham, Lucie Fraichard, Cecile O. Mejean, Anton Cottrill
  • Publication number: 20210370470
    Abstract: An abrasive article can include a substrate, abrasive particles coupled by a bond material to the substrate, and a coating overlying at least partially the exterior surface of the bond material. The coating can be a poly(p-xylylene) polymer applied via vapor deposition and may provide enhanced strength to the bond material and extended life time to the abrasive article.
    Type: Application
    Filed: June 15, 2021
    Publication date: December 2, 2021
    Inventors: Cecile O. Mejean, Charles J. Gasdaska, Lucie Fraichard
  • Patent number: 11059147
    Abstract: An abrasive article can include a substrate, abrasive particles coupled by a bond material to the substrate, and a coating overlying at least partially the exterior surface of the bond material. The coating can be a poly(p-xylylene) polymer applied via vapor deposition and may provide enhanced strength to the bond material and extended life time to the abrasive article.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: July 13, 2021
    Assignee: SAINT-GOBAIN ABRASIVES, INC./SAINT-GOBAIN ABRASIFS
    Inventors: Cecile O. Mejean, Charles J. Gasdaska, Lucie Fraichard
  • Publication number: 20200391354
    Abstract: Various shaped abrasive particles are disclosed. Each shaped abrasive particle includes a body having at least one major surface and another surface extending from the major surface.
    Type: Application
    Filed: August 27, 2020
    Publication date: December 17, 2020
    Inventors: Alexandra MARAZANO, Paul Braun, Tves Boussant-Roux, Cecile O. Mejean, David F. Louapre
  • Patent number: 10759024
    Abstract: Various shaped abrasive particles are disclosed. Each shaped abrasive particle includes a body having at least one major surface and another surface extending from the major surface.
    Type: Grant
    Filed: January 31, 2017
    Date of Patent: September 1, 2020
    Assignee: SAINT-GOBAIN CERAMICS & PLASTICS, INC.
    Inventors: Alexandra Marazano, Paul Braun, Yves Boussant-Roux, Cecile O. Mejean, David F. Louapre
  • Publication number: 20200023494
    Abstract: An abrasive article including a substrate, a first bonding material including metal overlying the substrate, abrasive particles overlying the substrate and coupled to the first bonding material, and a second bonding material including a metal and phosphorus overlying at least a portion of the first bonding material.
    Type: Application
    Filed: July 23, 2019
    Publication date: January 23, 2020
    Inventors: Lenny C. SALES, Trent GRAHAM, Lucie FRAICHARD, Cecile O. MEJEAN, Anton COTTRILL
  • Publication number: 20190299363
    Abstract: An abrasive article can include a substrate, abrasive particles coupled by a bond material to the substrate, and a coating overlying at least partially the exterior surface of the bond material. The coating can be a poly(p-xylylene) polymer applied via vapor deposition and may provide enhanced strength to the bond material and extended life time to the abrasive article.
    Type: Application
    Filed: March 29, 2019
    Publication date: October 3, 2019
    Inventors: Cecile O. MEJEAN, Charles J. Gasdaska, Lucie Fraichard
  • Patent number: 10105821
    Abstract: A bonded abrasive article suitable for processing hard materials such as sapphire. In an embodiment, an abrasive article includes a bonded abrasive body including a bond material comprising a metal, abrasive particles contained within the bond material having an average particle size of not greater than about 20 ?m, and a pore size standard deviation of not greater than about 16 ?m. An abrasive article can also include a bonded abrasive body having a bond material comprising metal, abrasive particles contained within the bond material having an average particle size of not greater than about 20 ?m, and an average pore size of not greater than about 110 ?m.
    Type: Grant
    Filed: December 22, 2014
    Date of Patent: October 23, 2018
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Cecile O. Mejean, Srinivasan Ramanath, Ramanujam Vedantham, John M. Gulcius, Rachana Upadhyay
  • Publication number: 20180281153
    Abstract: The present disclosure relates to an abrasive article including a body having a bond material including metal and a micro-porosity within the bond material with an average pore size (D50) of not greater than 10 microns and a pore size standard deviation of at least 0.2 microns, and the body further includes abrasive particles contained within the bond material and having an ellipticity of not greater than 1.18 or an average toughness of at least 11257 cycles.
    Type: Application
    Filed: March 29, 2018
    Publication date: October 4, 2018
    Inventors: Jiashu LI, Kelley McNEAL, Srinivasan RAMANATH, Cecile O. MEJEAN, Ji WANG
  • Patent number: 10086499
    Abstract: An abrasive article includes a body having an annular surface including abrasive segments coupled to the annular surface, and the abrasive segments define an abrasive annular region and a percent abrasive surface area of not greater than 24% for the total surface area of the abrasive annular region.
    Type: Grant
    Filed: March 4, 2016
    Date of Patent: October 2, 2018
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Cecile O. Mejean, Srinivasan Ramanath, Ramanujam Vedantham, Kelley McNeal
  • Publication number: 20180215975
    Abstract: Various shaped abrasive particles are disclosed. Each shaped abrasive particle includes a body having at least one major surface and another surface extending from the major surface.
    Type: Application
    Filed: January 31, 2017
    Publication date: August 2, 2018
    Inventors: Alexandra MARAZANO, Paul BRAUN, Yves BOUSSANT-ROUX, Cecile O. MEJEAN, David F. LOUAPRE
  • Publication number: 20160256982
    Abstract: An abrasive article includes a body having an annular surface including abrasive segments coupled to the annular surface, and the abrasive segments define an abrasive annular region and a percent abrasive surface area of not greater than 24% for the total surface area of the abrasive annular region.
    Type: Application
    Filed: March 4, 2016
    Publication date: September 8, 2016
    Inventors: Cecile O. MEJEAN, Srinivasan RAMANATH, Ramanujam VEDANTHAM, Kelley MCNEAL
  • Patent number: 9381618
    Abstract: A grinding tool includes a shank having an axis, and at least two abrasive portions mounted directly to and in contact with the shank without a hub therebetween. Each of the abrasive portions has a substantially identical profile formed therein.
    Type: Grant
    Filed: April 22, 2014
    Date of Patent: July 5, 2016
    Assignees: Saint-Gobain Abrasives, Inc., Saint-Gobain Abrasifs
    Inventors: Rajesh Kaul, John Tunstall, Shivshankar Sivasubramanian, Srinivasan Ramanath, Rachana Upadhyay, Arup K Khaund, Yinggang Tian, John Pearlman, Michael D. Cheng, Cecile O. Mejean
  • Publication number: 20150183086
    Abstract: A bonded abrasive article suitable for processing hard materials such as sapphire. In an embodiment, an abrasive article includes a bonded abrasive body including a bond material comprising a metal, abrasive particles contained within the bond material having an average particle size of not greater than about 20 ?m, and a pore size standard deviation of not greater than about 16 ?m. An abrasive article can also include a bonded abrasive body having a bond material comprising metal, abrasive particles contained within the bond material having an average particle size of not greater than about 20 ?m, and an average pore size of not greater than about 110 ?m.
    Type: Application
    Filed: December 22, 2014
    Publication date: July 2, 2015
    Inventors: Cecile O. MEJEAN, Srinivasan RAMANATH, Ramanujam VEDANTHAM, John M. GULCIUS, Rachana UPADHYAY