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 |
| 7815849 | Doped iridium with improved high-temperature properties An iridium alloy is produced having at least 85% by weight iridium, at least 0.005% by weight molybdenum, 0.001 to 0.6% by weight hafnium and, optionally, rhenium, the sum of molybdenum and hafnium being between 0.002 and 1.2% by weight. The iridium alloy is produce... | 10/19/2010 |
| 7740798 | Alloy compositions and devices including the compositions Alloy compositions, including devices and instruments that include the compositions, are disclosed. The compositions have high hardness, strength, corrosion resistance, and biocompatibility. The compositions can be used to manufacture, for example, medical devices a... | 06/22/2010 |
| 7666352 | Iridium-based alloy with high heat resistance and high strength and process for producing the same An iridium-based alloy which has L12-type intermetallic compounds dispersedly precipitated therein and has a basic composition including, in terms of mass proportion, 0.1 to 9.0% Al, 1.0 to 45% W, and Ir as the remainder. The component system containing 0... | 02/23/2010 |
| 7481971 | Iridium alloy An iridium alloy consists essentially of iridium and at least one of W and Zr, and optionally Rh. When present, W comprises between 0.01 and 5 wt % of the alloy; when present in combination with W, Zr comprises between 0.01 and 0.5 wt % of the alloy; when present al... | 01/27/2009 |
| 7229510 | Manganese alloy sputtering target and method for producing the same A manganese alloy sputtering target characterized in that oxygen is 1000 ppm or less, sulfur is 200 ppm or less and a forged texture is provided, and a method for producing a forged manganese alloy target stably by eliminating the drawbacks of manganese alloy that i... | 06/12/2007 |
| 7217388 | Method for preparing reinforced platinum material The present invention provides a method in which a strengthened platinum material can be produced, in which no blisters occur on the surface of the material even after heat treatment of 1,400° C. or higher and a metal oxide such as zirconium oxide is finely dispers... | 05/15/2007 |
| 7214644 | Cross-coupling reactions A method for producing a copper/palladium colloid catalyst useful for Suzuki couplings. ... | 05/08/2007 |
| 6982122 | Ir-based alloys for ultra-high temperature applications An alloy composition includes, in atomic percent: about 1 to about 10% of at least one element selected from the group consisting of Zr and Hf, balance Ir. ... | 01/03/2006 |
| 6913657 | Hard precious metal alloy member and method of manufacturing same A hard precious metal alloy member is constituted of a gold alloy, which has a gold Au content of from 37.50 to 98.45 wt %, and contains a hardening additive in a range of not less than 50 ppm but less than 15,000 ppm, wherein the hardening additive is constituted o... | 07/05/2005 |
| 6875324 | Sputtering target material The present invention is directed to a precious metal sputtering target having a columnar crystallographic microstructure such that crystals are grown in a direction normal to the sputtering surface in order to solve conventional problems. The high-purity sputtering... | 04/05/2005 |
| 6511632 | Cathode material of electron beam device and preparation method thereof A cathode material of an electron beam device comprising 0.5 to 9.0% by weight of a rare-earth metal of the cerium group, 0.5 to 15.0% by weight of tungsten and/or rhenium, 0.5 to 10% by weight of hafnium and the balance of iridium is provided. Since the ... | 01/28/2003 |
| 6270593 | Mn alloy materials for magnetic materials, Mn alloy sputtering targets, and magnetic thin films Mn alloy materials for magnetic materials contain 500 ppm or less, preferably 100 ppm or less, oxygen, 100 ppm or less, probably 20 ppm or less, sulfur, and preferably a total of 1000 ppm or less, more preferably 500 ppm or less, impurities (elements othe... | 08/07/2001 |
| 6127047 | High temperature alloys High temperature alloys resistant to degradation and oxidation are provided. In accordance with preferred embodiments, alloys comprising from about 0.1 to about 50 atomic percent silicon, from about 10 to about 80 atomic percent aluminum, and at least one... | 10/03/2000 |
| 6071470 | Refractory superalloys Refractory superalloys consist essentially of a primary constituent selected from the group consisting of iridium, rhodium, and a mixture thereof, and one or more additive elements selected from the group consisting of niobium, tantalum, hafnium, zirconiu... | 06/06/2000 |
| 5846702 | Reagent including an osmium-containing redox mediator A new group of Os(II) and Os(III) compounds useful as redox mediators in electrochemical biosensors. These compounds have 1) low oxidation potential, 2) fast reaction kinetics between the electroactive center of an enzyme and the compound, 3) slow oxidati... | 12/08/1998 |
| 5804400 | Electrochemiluminescent assay A rapid single step assay suitable for the detection or quantification of enzymes, in particular, hydrolases, especially, aminopeptidases and esterases. The enzymatic reaction causes the cleavage of a metal ligand labelled hydrolase substrate. The cleaved... | 09/08/1998 |
| 5618390 | Iridium oxide film for electrochromic device A method of depositing a nitrogen-containing electrochromic iridium oxide film by sputtering iridium in an atmosphere comprising oxygen and nitrogen is disclosed for use in producing a transparent electrochromic article. The article includes electroconduc... | 04/08/1997 |
| 5520851 | Iridium oxide film for electrochromic device A method of depositing a nitrogen-containing electrochromic iridium oxide film by sputtering iridium in an atmosphere comprising oxygen and nitrogen is disclosed for use in producing a transparent electrochromic article. The article includes electroconduc... | 05/28/1996 |
| 5438132 | Method for removing osmium from nucleosides A process for removing osmium from an aqueous solution of nucleosides comprising adding hydrogen sulfide, an aromatic pi base such as pyridine, and a mineral acid. The osmium is precipitated out of solution.... | 08/01/1995 |
| 5384076 | Resistive film-forming composition and electronic components using the same A resistive film-forming composition to be coated on a substrate and calcined to form a resistive film is disclosed, which contains an organic iridium compound selected from a compound represented by formula (I): ##STR1## wherein R1 repres... | 01/24/1995 |
| 5234774 | Non-single crystalline materials containing Ir, Ta and Al There is provided a non-single crystalline material characterized by containing Ir, Ta and Al at the following respective composition rates: ______________________________________ 28 atom percent ࣘ Ir ࣘ 90 atom percent, 5 atom percent ࣘ Ta ... | 08/10/1993 |
| 5080862 | Iridium silicon alloy An alloy having a very high resistance to oxidation is taught. The alloy contains between 30 and 75 atom percent of silicon in an iridium base. The alloy may be used in the form of a surface coating to protect structural elements of other materials from o... | 01/14/1992 |
| 5002723 | Nuclear fuel element A nuclear fuel element and a method of manufacturing the element. The fuel element is comprised of a metal primary container and a fuel pellet which is located inside it and which is often fragmented. The primary container is subjected to elevated pressur... | 03/26/1991 |
| 4764435 | Metalizing or bonding composition for non-oxide ceramics A metal composition usable as a brazing material for bonding a metal to a non-oxide ceramic. The brazing material contains, at least, one or more metals selected from a first group of transition metals consisting of Pt, Pd, Rh, Ir, Ru and Os, and one or m... | 08/16/1988 |
| 4539041 | Process for the reduction of metallic compounds by polyols, and metallic powders obtained by this process A process for reducing in a liquid phase a solid compound selected from the oxide, hydroxide or salt of a metal selected from the group consisting of gold, palladium, iridium, osmium, copper, silver, nickel, cobalt, lead and cadmium comprises heating said... | 09/03/1985 |
| 4444728 | Iridium-rhenium crucible A crucible for preparing a single crystal which comprises an iridium-rhenium alloy comprised of from about 80 to about 99 parts of iridium and from about 1 to about 20 parts of rhenium. The crucible has excellent creep resistance and compatability propert... | 04/24/1984 |
| 4432794 | Hard alloy comprising one or more hard phases and a binary or multicomponent binder metal alloy A hard alloy including at least one hard phase and a binary or multicomponent binder metal alloy, in which the hard substance comprises a finely dispersed, homogeneous distribution in the binder metal. The hard phase comprises a carbide of a Group IVb, Vb... | 02/21/1984 |
| 4253872 | Thorium doped iridium alloy for radioisotope heat sources A novel iridium alloy containing 100-500 ppm thorium has enhanced impact properties over undoped iridium and over prior art iridium alloys.... | 03/03/1981 |
| 4011075 | Materials for tamping battery mix Materials for tamping battery mix, composed of an intermetallic compound of CoTi or Co-Ti binary alloy having a composition near the intermetallic compound or composed of the intermetallic compound in which part of the constituents are replaced by other e... | 03/08/1977 |
| 3994718 | Intermetallic compounds and metal purification By thoroughly mixing a compound of a base metal with a metal of the eighth subgroup of the Periodic Table, heating the resultant to a temperature in excess of 800° C at which it is subjected to a stream of hydrogen and treating thus-obtained intermetalli... | 11/30/1976 |
| 3970450 | Modified iridium-tungsten alloy A novel iridium alloy composition containing dopant level additions of aluminum, iron, nickel, rhodium and thorium is useful as a containment vessel for isotopic heat sources.... | 07/20/1976 |