Patents by Inventor David H. Blount

David H. Blount 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).

  • Flame-retardant polyurethane foam utilizing boric acid
    Patent number: 5075343
    Abstract: Flame retardant polyurethane foams are produced by mixing and reacting a polyol, a low molecular weight compound with 1 or more active hydrogen, an organic polyisocyanate and an acidic boron compound in the presence of an organo-metal urethane catalyst.The flame-retardant polyurethane foam may be used for thermal and sound insulation, for cushioning and for molding useful objects.
    Type: Grant
    Filed: November 16, 1989
    Date of Patent: December 24, 1991
    Inventor: David H. Blount
  • Production of flame-retardant polyol-oxidated silicon-acidic boron emulsion
    Patent number: 5039711
    Abstract: Stable flame-retardant polyol-oxidated silicon-acidic boron emulsions are produced by mixing and reacting a liquid organic polyol, and oxidated silicon compound and an acidic boron compound. This flame-retardant emulsion is useful in the production of flame-retardant polyurethane, polyester and polyesteramide products.
    Type: Grant
    Filed: September 25, 1989
    Date of Patent: August 13, 1991
    Inventor: David H. Blount
  • Inorganic-organic flame-retardant polyols
    Patent number: 5034423
    Abstract: Inorganic organic flame-retardant polyols are produced by mixing and chemically reacting an epoxy compound with a compound containing reative hydrogens and acidic boron compound in the presence of an epoxy catalyst. These polyols may be utilized to produce polyester resinous products, polyamide resinous products and polyurethane solid and foamed products which may be utilized as coating agents, adhesives, sound and thermal insulation and molding agents.
    Type: Grant
    Filed: October 10, 1989
    Date of Patent: July 23, 1991
    Inventor: David H. Blount
  • Flame-retardant polyurethane products
    Patent number: 5010113
    Abstract: Flame-retardant polyurethane products are produced by mixing and reactive an amino-salt of a phosphorus acid, a compound containing at least two reactive hydrogens, and a compound containing at least two isocyanate radicals. This improved polyurethane product may be used in many forms such as insulating and sound proofing foam, coating agents, cushions, cavity fillers, molded products and the like.
    Type: Grant
    Filed: June 1, 1989
    Date of Patent: April 23, 1991
    Inventor: David H. Blount
  • Production of stable liquid organic-powdered inorganic emulsion
    Patent number: 5002690
    Abstract: Liquid organic-powdered inorganic compound emulsions and suspensions are produced by reacting an inorganic polybasic salt forming acidic compound with a liquid organic compound then emulsifying the liquid organic-inorganic compound with a powdered inorganic compound. The liquid organic-powdered inorganic compound may be utilized in the production of polyurethane foam; polyepoxy material or polyester material containing powdered inorganic fillers or reactants.
    Type: Grant
    Filed: February 13, 1989
    Date of Patent: March 26, 1991
    Inventor: David H. Blount
  • Process for the production of flame-retardant polyurethane products
    Patent number: 4999383
    Abstract: Flame-retardant polyurethane products are produced by mixing a basic salt-forming compound with an acidic salt-forming compound containing boron compounds in a polyol and/or a polyisocyanate, then reacting the polyol and polyisocyanate.The flame-retardant polyurethane products may be used for thermal and sound insulation, as a coating agent, as an adhesive, for caulking, for cushioning and for molding useful objects.
    Type: Grant
    Filed: July 17, 1989
    Date of Patent: March 12, 1991
    Inventor: David H. Blount
  • Production of silica aerogels
    Patent number: 4954327
    Abstract: Silica aerogels which exhibit very little shrinkage or partial growth during processing and drying are produced by foaming and reacting a mixture of an oxidated silicon compound, a salt forming compound and a gas in an aqueous medium. The foamed silica gel is then dried to remove water thereby producing silica aerogel.The silica aerogels may be used as a thermal and sound insulator, filler, catalyst, catalyst carrier, reinforcing agent, binder, absorbent, thickening agent and may have other uses.
    Type: Grant
    Filed: August 12, 1988
    Date of Patent: September 4, 1990
    Inventor: David H. Blount
  • Polymeric alkali metal silicate glass
    Patent number: 4945074
    Abstract: The present invention relates to producing a polymeric alkali metal silicate glass powder by repeated steps of partial hydration and dehydration until the desired degree of polymerization has taken place. The polymeric alkali metal silicate glass may be utilized to produce aqueous polymeric alkali metal silicate glass solutions containing a suspension. This solution containing a suspension may be used as an adhesive, a binding agent, a laminating agent, coating agent and molding material.
    Type: Grant
    Filed: May 1, 1989
    Date of Patent: July 31, 1990
    Inventor: David H. Blount
  • Flexible glass
    Patent number: 4908339
    Abstract: Alkali metal silicate glass is mixed with water to form an aqueous alkali metal silicate glass suspension, then dried to form a flexible solid alkali metal silicate glass product which may be heated to above the boiling temperature of water to produce a cellular product. The flexible solid product may be utilized as a flexible film, as an adhesive, a coating agent and a binding agent. The foamed product may be used for thermal and sound insulation.
    Type: Grant
    Filed: April 18, 1989
    Date of Patent: March 13, 1990
    Inventor: David H. Blount
  • Production of polyol-alkali metal silicate glass emulsion
    Patent number: 4863518
    Abstract: A stable polyol-alkali metal silicate glass emulsion is produced by mixing a finely powdered alkali metal silicate glass, a liquid polyhydroxy compound, a small amount of salt-forming compound and an emulsifier, then agitating until the mixture emulsifies. This emulsion is useful in the production of polyurethane silicate and polyester silicate products.
    Type: Grant
    Filed: October 19, 1987
    Date of Patent: September 5, 1989
    Inventor: David H. Blount
  • Production of flame-retardant polyols
    Patent number: 4859713
    Abstract: Flame-retardant polyols are produced by chemically reacting an epoxy compound, a phosphorus-containing compound and a compound containing 1 or more active hydrogens to produce a phosphorus-containing polyol with acid radicals which are reacted with an alkali compound. The flame-retardant polyol will react with polyisocyanates to produce solid or foamed products which may be used as coating agents, adhesive or for insulation.
    Type: Grant
    Filed: December 4, 1987
    Date of Patent: August 22, 1989
    Inventor: David H. Blount
  • Flexible alkali metal silicate glass products
    Patent number: 4824807
    Abstract: Alkali metal silicate glass is mixed with water to form an aqueous alkali metal silicate glass suspension, then dried to form a flexible solid alkali metal silicate glass product which may be heated to above the boiling temperature of water to produce a cellular product. The flexible solid product may be utilized as a flexible film, as an adhesive, a coating agent and a binding agent. The foamed product may be used for thermal and sound insulation.
    Type: Grant
    Filed: June 1, 1987
    Date of Patent: April 25, 1989
    Inventor: David H. Blount
  • Process for the production of epoxy silicate products
    Patent number: 4795765
    Abstract: Epihalohydrin compounds will react chemically with alkali oxidated silicon compounds in the presence of a peroxide to produce a self-standing cellular or solid epoxy silicate product which may be utilized for thermal and sound insulation, as a cavity filler and as a coating agent.
    Type: Grant
    Filed: December 4, 1986
    Date of Patent: January 3, 1989
    Inventor: David H. Blount
  • Process for the production of flame-retardant polyurethane products
    Patent number: 4778844
    Abstract: Flame-retardant polyurethane products are produced by mixing and reacting a basic salt-forming compound with an acidic salt-forming compound containing phosphorus and/or halogen compounds in a polyol and/or a polyisocyanate, then reacting the polyol and polyisocyanate.The flame-retardant polyurethane products may be used for thermal and sound insulation, as a coating agent, as an adhesive, for caulking, for cushioning and for molding useful objects.
    Type: Grant
    Filed: December 3, 1987
    Date of Patent: October 18, 1988
    Inventor: David H. Blount
  • Process for the production of cellular organic silicate products
    Patent number: 4769396
    Abstract: Foamed organic silicate produced by chemically reacting an alkali oxidated silicon compound with a substituted organic compound in the presence of a peroxide compound. This self-standing cellular organic silicate product may be utilized for thermal and sound insulation, as a cavity filler and as a coating agent.
    Type: Grant
    Filed: August 31, 1987
    Date of Patent: September 6, 1988
    Inventor: David H. Blount
  • Process for the production of phenolic resins
    Patent number: 4769437
    Abstract: Phenolic resins are produced by reacting a substituted alcohol or epoxy compound with a phenol compound in the presence of an alkali salt-forming compound. The phenolic resin may be utilized as molding material, as a coating agent and as an adhesive.
    Type: Grant
    Filed: September 18, 1987
    Date of Patent: September 6, 1988
    Inventor: David H. Blount
  • Process for the production of flame-retardant polyurethane products
    Patent number: 4743624
    Abstract: Flame-retardant polyurethane products are produced by mixing and reacting a basic salt-forming compound with an acidic salt-forming compound containing phosphorus and/or halogen compounds in a polyol and/or a polyisocyanate, then reacting the polyol and polyisocyanate.The flame-retardant polyurethane products may be used for thermal and sound insulation, as a coating agent, as an adhesive. for caulking, for cushioning and for molding useful objects.
    Type: Grant
    Filed: June 11, 1987
    Date of Patent: May 10, 1988
    Inventor: David H. Blount
  • Process for the production of thixothropic silicates and stable organic-silicate emulsions
    Patent number: 4737525
    Abstract: Thixotropic silicates and stable emulsions are produced by reacting a salt-forming compound such as mineral acids and a powdered natural silicate in a liquid organic compound. The thixotropic silicate such as minerals containing silicates may be utilized to produce stable organic compound-silicate emulsion, as an anti-sag material, as a filler and as a thickener. It may be further chemically reacted along with the organic compound to produce useful foams, resins, coating agents and fillers.
    Type: Grant
    Filed: January 5, 1987
    Date of Patent: April 12, 1988
    Inventor: David H. Blount
  • Process for the production of epoxy silicate products
    Patent number: 4737575
    Abstract: Epihalohydrin compounds will react chemically with alkali oxidated silicon compounds in the presence of a peroxide to produce a self-standing cellular or solid epoxy silicate product which may be utilized for thermal and sound insulation, as a cavity filler and as a coating agent.
    Type: Grant
    Filed: April 30, 1987
    Date of Patent: April 12, 1988
    Inventor: David H. Blount
  • Process for the production of phenolic resins
    Patent number: 4711911
    Abstract: Phenolic resins are produced by reacting a substituted alcohol or epoxy compound with a phenol compound in the presence of an alkali salt-forming compound. The phenolic resin may be utilized as molding material, as a coating agent and as an adhesive.
    Type: Grant
    Filed: December 22, 1986
    Date of Patent: December 8, 1987
    Inventor: David H. Blount