Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 4107845 | Dental adhesive composites Adhesive dental restorative composite comprising a suspension of filler fibers in a liquid polyacrylate resin composition wherein the resin has a viscosity of less than 5000 centipoise. The fibers which may be organic or inorganic generally have lengths o... | 08/22/1978 |
| 4088617 | Phonographic record molding composition A phonograph record molding composition formed by copolymerizing a vinyl aromatic monomer with an acrylic ester monomer in the presence of one or more waxes which composition is especially suitable for injection and compression molding and which is charac... | 05/09/1978 |
| 4087393 | Non-aqueous resin dispersion and method of manufacturing thereof A non-aqueous resin dispersion is obtained by dissolving a resin, which is substantially insoluble in non-aqueous solvents, in at least one monomer which can dissolve said resin, subjecting the resulting solution to polymerization reaction in the presence... | 05/02/1978 |
| 4081419 | Process for producing a polymer emulsion A polymer emulsion is produced by the free radical polymerization of a monomer having an ethylenic unsaturated double bond in the presence of 0.1 to 10 wt parts of a compound having the formula ##STR1## wherein R1 represents hydrogen atom ... | 03/28/1978 |
| 4073758 | Emulsion compositions An emulsion composition prepared by the emulsion polymerization of a polymerizable vinyl monomer in the presence of an emulsifier characterized in that the emusifier is a neutralized maleate, partial maleate, fumarate or partial fumarate of an addition po... | 02/14/1978 |
| 4061652 | Urethanes of hydroxybenzotriazoles Urethanes of hydroxybenzotriazoles and hydroxybenzophenones which can be chemically modified upon heating have been found useful in imparting weather resistance to plastic substrates when applied as part of a UV curable resin which can be subsequently hea... | 12/06/1977 |
| 4045517 | Polyacrylic hot melt adhesives Novel polyacrylic hot melt adhesives prepared by blending a polymer having a Tg of -85° to 0° C. with a polymer having a Tg of 20° to 150° C. are disclosed.... | 08/30/1977 |
| 4028291 | Process for the production of resins for printing ink Resins for printing ink and particularly offset ink, are produced by reacting a resin obtained by heat polymerizing at least one of cyclopentadiene, dicyclopentadiene or their alkyl substituted derivatives with 1-3 carbons and an unsaturated alcohol or un... | 06/07/1977 |
| 4019922 | Fire-resistant resin A liquid polymerizable material which may be used, for instance, for the coating of wood or other substrate, which material, when cured, is fire-resistant and protects the substrate. The material cures without application of heat and is formed from methyl... | 04/26/1977 |
| 4013615 | Electrostatic spray coating powder pigment composition and process for producing the same A vinyl monomer alone, or a mixture of a vinyl monomer and at least one comonomer copolymerizable with said vinyl monomer and having a faster rate of polymerization than the rate of polymerization of the viny monomer, is emulsion-polymerized in an aqueous... | 03/22/1977 |
| 4010545 | Adhesive bonding to teeth of orthodontic brackets and the like Orthodontic brackets and the like are adhesively secured to teeth by means of a self-curing thixotropic acrylic ester monomer composition wherein the monomer has been made thixotropic through the inclusion of fumed silane treated silica and wherein the ac... | 03/08/1977 |
| 4001176 | Ring phosphonates as flame-retardants A nine-membered ring phosphonate compound having the formula ##STR1## wherein R1 is hydrogen or methyl, R2 is phenyl or substituted phenyl wherein the substitution is one or more of halogen, nitro, lower alkyl, cyclohexyl, alkox... | 01/04/1977 |
| 3997488 | Process for the preparation of a non-aqueous dispersion of thermoplastic resin This invention provides non-aqueous dispersions containing a graft-copolymer and at least one substance selected from the group consisting of wax and polyethylene in an organic solvent having a high resistivity and a low dielectric constant, said dispersi... | 12/14/1976 |
| 3991007 | Process for the preparation of pigmentary particles coated with an organic polymer and compositions resulting therefrom A process for the preparation of pigmentary compositions which comprises coating the particles of pigment by means of a polymer or copolymer, by covering by the polymerisation or copolymerisation "in situ" of at least one ethylenically unsaturated monomer... | 11/09/1976 |
| 3991261 | Anaerobically hardening adhesives and sealants containing organic nitrones Organic nitrones are stabilizers for anaerobically-setting adhesive compositions wherein the principal adhesive component is a (meth) acrylic acid ester and the catalyst is an organic peroxide. The nitrone improves the storage-stability of the adhesives i... | 11/09/1976 |
| 3991008 | Dental compositions having improved color stability Dental compositions having improved color stability are prepared by employing a redox catalyst system consisting of a hydroperoxide oxidizing agent and a substituted thiourea reducing agent. The composition also comprises a methacrylate monomer, and optio... | 11/09/1976 |
| 3984385 | Anaerobically hardening adhesives and sealants containing a hydrazide accelerator Organic sulfonic acid hydrazides are accelerators for aerostable anaerobically-setting adhesive compositions. They can be used with stabilizers. Preferred hydrazides of this group are the aryl sulfonic acid hydrazides, for example benzene sulfonic acid hy... | 10/05/1976 |
| 3981855 | Reactor process conditions control Disclosed is a method of conducting under selected temperature conditions and with agitation a chemical operation which requires agitating a liquid phase under selected conditions, by enclosing the involved starting materials in a liquid-tightly enclosed ... | 09/21/1976 |
| 3971751 | Vulcanizable silylether terminated polymer A composition comprising a polyether having silicon end group, which composition is changeable to a rubber-like substance upon exposure to atmospheric moisture at room temperature.... | 07/27/1976 |
| 3963688 | Method of emulsion polymerization using phosphate esters of normal alkanols as surfactant The mono- or diester of phosphoric acid and a straight chain alkanol of 8 to 10 carbon atoms is used as a surfactant in the emulsion polymerization of olefinic compounds, especially vinyl compounds, to obtain polymers having improved stability to light an... | 06/15/1976 |
| 3962372 | Stabilized quick set adhesives Adhesive compositions of acrylic or methacrylic monomers, chlorosulfonated polyethylene, and polymerization initiator of increased shelf stability but fast set up time, containing 2,6-di-t-butyl-4-methylphenol.... | 06/08/1976 |
| 3957561 | Anaerobic adhesive and sealant compositions employing a two component catalyst system of diazosulfone and o-sulfobenzimide Anaerobic curing compositions useful as anaerobic adhesives and sealants are described. These compositions comprise mixtures of polymerizable acrylic and substituted acrylic monomers together with a two-component catalytic system comprising a diazosulfone... | 05/18/1976 |
| 3956225 | Stable dispersion of vinyl polymer A stable dispersion of vinyl polymer dispersed in an organic dispersion medium, said dispersed vinyl polymer being prepared from a vinyl monomer in said dispersion medium in the presence of a dispersion stabilizer which is soluble in said dispersion mediu... | 05/11/1976 |
| 3950294 | Aqueous coating compositions of dispersions of thermoplastic addition polymers with low molecular weight plasticizers A composition which may be used in a coating formulation or a binder formulation for non-woven fabrics or in moulding formulations which comprises a solid, waterinsoluble, thermoplastic, synthetic addition polymer comprising at least one , ଲ-... | 04/13/1976 |
| 3950295 | Method of preparing a composition containing gypsum, a vinyl monomer and sulfite ion A hardenable molding composition comprising hydratable gypsum, a vinyl monomer, a source of hydrogen sulfite ions and water is disclosed. With this molding composition a hardened product can be obtained having high strength due to the combined effect of t... | 04/13/1976 |
| 3932350 | Method of manufacturing reinforced resin moldings A method of manufacturing reinforced resin moldings, wherein a fiber-reinforced plastic, obtained by the polymerization, in the presence of an inorganic fibrous substance selected from the group consisting of glass fiber, slag wool and asbestos, of a viny... | 01/13/1976 |