Patents by Inventor Alma L. Coats

Alma L. Coats 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).

  • Stereolithography resins and methods
    Patent number: 7211368
    Abstract: Photocurable resin compositions are provided that are most useful in stereolithography. A photocurable resin includes a urethane acrylate oligomer, an acrylate monomer, and a polymerization modifier. The resin after curing provides a solid product that has characteristics that can depend on the resin composition.
    Type: Grant
    Filed: July 29, 2003
    Date of Patent: May 1, 2007
    Assignee: 3 Birds, Inc.
    Inventors: Alma L. Coats, James P. Harrison, James Scott Hay, Manuel Jacinto Ramos
  • Stereolithography resins and methods
    Publication number: 20040135292
    Abstract: Photocurable resin compositions are provided that are most useful in stereolithography. A photocurable resin includes a urethane acrylate oligomer, an acrylate monomer, and a polymerization modifier. The resin after curing provides a solid product that has characteristics that can depend on the resin composition.
    Type: Application
    Filed: July 29, 2003
    Publication date: July 15, 2004
    Inventors: Alma L. Coats, James P. Harrison, James Scott Hay, Manuel Jacinto Ramos
  • Method of plasma spraying of polymer compositions onto a target surface
    Patent number: 5233153
    Abstract: A method of plasma spraying of polymer compositions is disclosed for use with a plasma spray system having a cathode and anode for developing an electric arc in the presence of an ionizable gas and in response to input electrical power whose magnitude may be selectively varied, an ionizable plasma gas source for supplying gas at selectable rates to the cathode and anode to produce a plasma jet which issues from a nozzle, a carrier gas source for supplying carrier gas to the plasma jet at selectable velocities and rate and at selectable locations downstream of the nozzle, and a feeder for feeding polymer composition particles to the carrier gas at selectable rates so that the carrier gas may deliver the particles to the plasma jet.
    Type: Grant
    Filed: January 10, 1992
    Date of Patent: August 3, 1993
    Assignee: EDO Corporation
    Inventor: Alma L. Coats
  • High concentration acid resistant coatings
    Patent number: 5106910
    Abstract: Improved polyamide-based compositions are provided which are particularly formulated for plasma-spray application to surfaces subjected to acidic conditions. The compositions include respective amounts of polyvinylidene fluoride, a polyamide (e.g., Nylon 11) and a compatable adhesive such as a nylon terpolymer adhesive.
    Type: Grant
    Filed: November 9, 1989
    Date of Patent: April 21, 1992
    Assignee: Applied Polymer Systems
    Inventors: Larry G. Weidman, Alma L. Coats
  • Process for dyeing polymer substrates
    Patent number: 4089645
    Abstract: Polymer substrates particularly molded resins and polymers are dyed by pretreatment of the substrate with a phosphorus sulfide, particularly phosphorus sesquisulfide, followed by contacting the treated substrate with an aqueous dyestuff composition.
    Type: Grant
    Filed: August 27, 1976
    Date of Patent: May 16, 1978
    Assignee: Hooker Chemicals & Plastics Corp.
    Inventors: Vernon P. Simpson, Alma L. Coats