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| Number | Title | Issue Date |
| 4440944 | Fire retardant epoxy resins containing 3-hydroxyalkylphosphine oxides Epoxy resins are rendered fire retardant by the addition thereto of a 3-hydroxyalkylphosphine oxide. Other halogen containing flame retardants may or may not be present in the composition. Mixtures containing a brominated epoxide and/or a halogenated phos... | 04/03/1984 |
| 4361487 | Control of hydrogen sulfide emission from geothermal steam plants with hydrogen peroxide and sodium vanadate Removing hydrogen sulfide from geothermal steam condensate is described whereby the hydrogen sulfide that is present in the condensate from a geothermal steam plant is oxidized with a peroxygen compound such as hydrogen peroxide in the presence of catalyt... | 11/30/1982 |
| 4359558 | Polyurethane diacrylate compositions Polyurethane diacrylate compositions are obtained by reacting a diacrylate in the presence of from about 30 to about 95 weight percent of a hydrophilic polyurethane resin. The resulting products will form a hydrogel upon immersion in water and are permeab... | 11/16/1982 |
| 4289501 | Hydrocarbon fuel additive A solution of a halogenated hydrocarbon when added in amounts of from about 1 to 2 parts per thousand by volume to hydrocarbon fuels improves combustion and increases fuel efficiency. The presence of a small amount of a hydroperoxide in combination with t... | 09/15/1981 |
| 4286969 | Hydrocarbon fuel additive A solution of a halogenated hydrocarbon when added in amounts of from about 1 to 2 parts per thousand to hydrocarbon fuels improves combustion and increases fuel efficiency. The presence of a small amount of a hydroperoxide in combination with the halogen... | 09/01/1981 |
| 4255550 | Polyurethane polymers characterized by carboxylate groups and hydroxyl groups in the polymer backbone Water insoluble polyurethane polyether polymers that are soluble in ethanol at pH 11 characterized by a molecular weight above 6,000 and having carboxylate groups and hydroxyl groups in the polymer backbone are prepared by reacting a mixture of polyols, a... | 03/10/1981 |
| 4156067 | Polyurethane polymers characterized by lactone groups and hydroxyl groups in the polymer backbone Polyurethane polymers characterized by a molecular weight above 6,000 and having lactone groups and hydroxyl groups in the polymer backbone are prepared by reacting a mixture of polyols, a polyfunctional lactone and a polyfunctional isocyanate proportione... | 05/22/1979 |
| 4156066 | Polyurethane polymers characterized by lactone groups and hydroxyl groups in the polymer backbone Polyurethane polymers characterized by a molecular weight above 6,000 and having lactone groups and hydroxyl groups in the polymer backbone are prepared by reacting a mixture of polyglycols proportioned so as to provide the desired polymer properties, a p... | 05/22/1979 |
