Patents by Inventor Eric C. Coad

Eric C. Coad 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: 20230211455
    Abstract: A polishing pad includes a textured polishing layer comprising a working surface and a second surface opposite the working surface. The textured polishing layer comprises a polymeric blend comprising thermoplastic urethane in an amount of between 40 and 95 wt. %, and styrenic copolymer in an amount of between 5 and 60 wt. %, based on the total weight of the textured polishing layer.
    Type: Application
    Filed: June 24, 2021
    Publication date: July 6, 2023
    Inventors: Joseph D. RULE, Duy K. Lehuu, Eric C. Coad
  • Publication number: 20210189175
    Abstract: A polishing system includes a substrate to be polished and a polishing pad. The polishing pad includes a base layer and a wear resistant layer. The system further includes a polishing solution disposed between the polishing pad and the substrate. The polishing solution includes a fluid component and a plurality of ceramic abrasive composites. The ceramic abrasive composites include individual abrasive particles uniformly dispersed throughout a porous ceramic matrix. At least a portion of the porous ceramic matrix includes glassy ceramic material. The ceramic abrasive composites are dispersed in the fluid component.
    Type: Application
    Filed: February 10, 2017
    Publication date: June 24, 2021
    Inventors: John J. Gagliardi, Eric C. Coad, Paul S. Lugg
  • Publication number: 20200171619
    Abstract: An article includes a surface layer and a base layer coupled to at least a portion of the surface layer. The surface layer includes a top major surface defining a plane and a bottom major surface opposite the top major surface. A plurality of projections extends from the plane of the top major surface and a plurality of microstructures extend from the plurality of projections.
    Type: Application
    Filed: August 21, 2018
    Publication date: June 4, 2020
    Inventors: Lian S. Tan, Eric C. Coad, Justin W. Lerbakken
  • Patent number: 10058970
    Abstract: Interrupted structured abrasive articles comprise an abrasive layer comprising shaped abrasive composites that extend outwardly from a first major surface of a backing to which they are secured. The abrasive layer defines at least one open region that is free of the shaped abrasive composites and may extend partially or completely through the backing. In some embodiments, each of the open regions comprises a circular area of at least 1.5 square centimeters, and when combined the open regions have total area that is at least 10 percent of the area of the first major surface of the backing. Interrupted abrasive articles are useful in single-sided polishing processes.
    Type: Grant
    Filed: April 22, 2015
    Date of Patent: August 28, 2018
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: John J. Gagliardi, Vincent D. Romero, Eric C. Coad
  • Publication number: 20170226380
    Abstract: A polishing solution includes a fluid component and a plurality of conditioning particles. The fluid component includes water, a basic pH adjusting agent, and a polymeric thickening agent. The polymeric thickening agent is present in the fluid component at greater than 0.01 weight percent based on the total weight of the polishing solution.
    Type: Application
    Filed: July 31, 2015
    Publication date: August 10, 2017
    Inventors: John J. Gagliardi, Eric C. Coad, Evan L. Schwartz
  • Publication number: 20170057043
    Abstract: Interrupted structured abrasive articles comprise an abrasive layer comprising shaped abrasive composites that extend outwardly from a first major surface of a backing to which they are secured. The abrasive layer defines at least one open region that is free of the shaped abrasive composites and may extend partially or completely through the backing. In some embodiments, each of the open regions comprises a circular area of at least 1.5 square centimeters, and when combined the open regions have total area that is at least 10 percent of the area of the first major surface of the backing. Interrupted abrasive articles are useful in single-sided polishing processes.
    Type: Application
    Filed: April 22, 2015
    Publication date: March 2, 2017
    Applicant: 3M Innovative Properties Company
    Inventors: John J. GAGLIARDI, Vincent D. ROMERO, Eric C. COAD
  • Publication number: 20130017765
    Abstract: A lapping carrier includes a base having first and second opposed major surfaces and at least one aperture extending from the first major surface to the second major surface. A wear layer is disposed on the first major surface of the base.
    Type: Application
    Filed: June 5, 2012
    Publication date: January 17, 2013
    Inventors: Eric C. Coad, Vincent D. Romero, Gary M. Falmgren
  • Patent number: 6821189
    Abstract: The invention provides abrasive articles comprising: (a) a backing having a first major surface and a second major surface; and (b) an abrasive coating consisting essentially of: (i) a hardened binder coating having a first surface adhered to the flexible backing and a second structured surface comprising a plurality of precisely-shaped protrusions; and (ii) a diamond-like carbon coating superposed and adhered to at least a portion of the structured surface of the hardened binder coating. Also reported is a method of mechanically treating a rigid disk or a rigid disk substrate using the abrasive articles of the present invention.
    Type: Grant
    Filed: October 13, 2000
    Date of Patent: November 23, 2004
    Assignee: 3M Innovative Properties Company
    Inventors: Eric C. Coad, David G. O'Neill
  • Patent number: 6758727
    Abstract: The present invention provides an abrasive article formed of a binder, abrasive particles associated with the binder, and a lubricating particulate additive comprising polytetrafluoroethylene associated with the binder. The abrasive article of the invention is useful in the polishing of fiber optic connectors because the lubricating particulate additive allows the polishing rate of the softer glass fiber material to be slower than the polishing rate of the harder ceramic ferrule material. Methods of manufacture and methods of polishing a fiber optic connector is also provided.
    Type: Grant
    Filed: December 6, 2002
    Date of Patent: July 6, 2004
    Assignee: 3M Innovative Properties Company
    Inventor: Eric C. Coad
  • Publication number: 20030134577
    Abstract: The present invention provides an abrasive article formed of a binder, abrasive particles associated with the binder, and a lubricating particulate additive comprising polytetrafluoroethylene associated with the binder. The abrasive article of the invention is useful in the polishing of fiber optic connectors because the lubricating particulate additive allows the polishing rate of the softer glass fiber material to be slower than the polishing rate of the harder ceramic ferrule material. Methods of manufacture and methods of polishing a fiber optic connector is also provided.
    Type: Application
    Filed: December 6, 2002
    Publication date: July 17, 2003
    Applicant: 3M Innovative Properties Company
    Inventor: Eric C. Coad