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| Number | Title | Issue Date |
| 7241365 | Material for a facility for the production of anhydrous formic acid The invention relates to an apparatus and a process for the preparation of anhydrous or substantially anhydrous formic acid. This apparatus is constructed partly or entirely of substantially zirconium-free materials. The extractant employed is a liquid of the genera... | 07/10/2007 |
| 7097686 | Nickel powders, methods for producing powders and devices fabricated from same Nickel powder batches and methods for producing nickel powder batches. The powder batches include particles having a small particle size, narrow size distribution and a spherical morphology. The present invention is also directed to devices incorporating the nickel ... | 08/29/2006 |
| 6908468 | Devices for nuclear spin tomography magnetic resonance imaging (MRI) The subject invention relates to a material for magnetic resonance imaging, and apparatus incorporating such material. The subject material can comprise cobalt, nickel, and chromium and can be used in nuclear spin tomography MRI. In specific embodiments, the subject... | 06/21/2005 |
| 6771490 | Metal frame for electronic hardware and flat panel displays A metal frame for electronic hardware and a method of manufacturing such a frame wherein at least a portion of the frame is made of bulk-solidifying amorphous alloys or bulk-solidifying amorphous alloy-composites is provided. The metal frames of the invention are pr... | 08/03/2004 |
| 6719945 | Galvanizing roll assembly with self-aligning hydrodynamic film lubricated roller-bearings This invention is related to galvanizing roll assemblies provided with self-aligning hydrodynamically lubricated roller-bearings used in equipment submerged in molten metal. ... | 04/13/2004 |
| 6709528 | Surface treatments to improve corrosion resistance of austenitic stainless steels A method of enhancing the corrosion resistance of an austenitic steel includes removing material from at least a portion of a surface of the steel such that corrosion initiation sites are eliminated or are reduced in number relative to the number resulting from proc... | 03/23/2004 |
| 6685881 | Stainless cast steel having good heat resistance and good machinability Disclosed is an austenitic stainless cast steel which has such a good heat resistance as can be used at a high temperature higher than 950° C. and a good machinability. The stainless cast steel consists essentially of, by weight %, C: 0.2-0.4%, Si: 0.5-2... | 02/03/2004 |
| 6592811 | Magnetic material having a high saturation magnetic flux density and a low coercive force A magnetic material includes a main component expressed by a general formula CoNiFeX, wherein X is at least one element selected from the group consisting of Cr, TI, V, Ru, Rh, Os, Ir and Pt, and wherein weight percentages a, b, c and d of Co, Ni, Fe and ... | 07/15/2003 |
| 6562293 | Material formulation for galvanizing equipment submerged in molten aluminum and aluminum/zinc melts An article of equipment intended to be submerged in molten zinc and low percentage aluminum/zinc melts, said article containing an alloy material comprised of carbon, chromium, nickel, tungsten, molybdenum, vanadium, niobium (columbium), cobalt, boron, ir... | 05/13/2003 |
| 6485679 | Heat resistant austenitic stainless steel A heat resistant austenitic stainless steel with high strength at elevated temperatures, good steam oxidation resistance, good fire side corrosion resistance, and a sufficient structural stability, suitable for use in boilers operating at high temperature... | 11/26/2002 |
| 6372181 | Low cost, corrosion and heat resistant alloy for diesel engine valves A low cost, highly heat and corrosion resistant alloy useful for the manufacture of diesel engine components, particularly exhaust valves, comprises in % by weight about 0.15-0.65% C, 40-49% Ni, 18-22% Cr, 1.2-1.8% Al, 2-3% Ti, 0.9-7.8% Nb, not more than ... | 04/16/2002 |
| 6168757 | Material formulation for galvanizing equipment submerged in molten aluminum and aluminum/zinc melts An article of equipment intended to be submerged in molten zinc, molten aluminum and mixtures thereof, said article containing an alloy material comprised of: Percent Carbon 1.6-2.6 Chr... | 01/02/2001 |
| 6004507 | Material formulation for galvanizing equipment submerged in molten and aluminum zinc melts An article suitable for submergence in molten zinc, aluminum and aluminum/zinc melts. The article is formed of an alloy comprising from greater than 1.0% to less than 5.0% carbon; from greater to 10.0% to less than 30.0% chromium; from greater than or equ... | 12/21/1999 |
| 5951789 | Heat resisting alloy for exhaust valve and method for producing the exhaust valve A heat resisting alloy for use in exhaust valves low in price and excellent in the cold workability and possible to be formed into valve shapes through the cold or warm working, which consists by weight percentage of C: 0.01~0.1%, Siࣘ2%, Mnࣘ2%, Cr: 12... | 09/14/1999 |
| 5945067 | High strength corrosion resistant alloy The alloy consists of an age hardenable-corrosion resistant alloy useful for oil and gas applications that require resistance to low-level sour gas conditions. This alloy contains, by weight percent, 20 to 36 nickel, 18 to 25 chromium, 1 to 8 molybdenum, ... | 08/31/1999 |
| 5902421 | Nickel-base braze material A braze material for repairing an article, and particularly industrial gas turbine engine nozzles formed from nickel-base superalloys. The braze material is composed of a nickel-base braze alloy that is preferably in powder form and dispersed in a suitabl... | 05/11/1999 |
| 5866068 | Heat-resistant alloy A heat-resistant alloy suitable as a material for reactor tubes such as cracking tubes for producing ethylene in the petrochemical industry consisting essentially of, in % by weight, 0.1 to 0.5% of C, over 0% to not more than 4% of Si, over 0% to not more... | 02/02/1999 |
| 5851690 | Hydrogen absorbing alloys A hydrogen absorbing alloy for use in an environment where the alloy has the possibility of contacting oxygen is capable of inhibiting impairment of the hydrogen absorbing ability thereof when coming into contact with oxygen. The alloy has a composition r... | 12/22/1998 |
| 5827377 | Flexible alloy and components made therefrom A nickel-base alloy having characteristics midway between selected stainless steels and INCONEL.RTM. alloy 625LCF.RTM.. Flexible and particularly useful for exhaust system bellows, wires and braids, the alloy includes about 24-42% nickel, about 18-28% chr... | 10/27/1998 |
| 5688471 | High strength low thermal expansion alloy The alloy of the invention provides a low coefficient of thermal expansion alloy having a CTE of about 4.9×10-6 m/m/°C. or less at 204° C. and a relatively high strength. The alloy contains about 40.5 to about 48 nickel, about 2 to about 3.7... | 11/18/1997 |
| 5660938 | Fe-Ni-Cr-base superalloy, engine valve and knitted mesh supporter for exhaust gas catalyzer An FE--Ni--Cr-base superalloy consists essentially of, by weight, up to 0.15% C, up to 1.0% Si, up to 3.0% Mn, 30 to 49% Ni, 10 to 18% Cr, 1.6 to 3.0% Al, one or more elements selected from Groups IVa and Va whose amount or total amount is 1.5 to 8.0%, th... | 08/26/1997 |
| 5567383 | Heat resisting alloys A heat resisting alloy for use in exhaust valves and the like low in price and excellent in structural stability, high-temperature strength and hot workability, which consists essentially by weight percentage of C: 0.01~0.10%, Siࣘ2.0%, Mnࣘ2.0%, Cr: 14... | 10/22/1996 |
| 5536591 | Electrochemical hydrogen storage alloys for nickel metal hydride batteries A disordered electrochemical hydrogen storage alloy comprising: (Base Alloy)a Cob Mnc Fed Sne where the Base Alloy comprises 0.1 to 60 atomic percent Ti, 0.1 to 40 atomic percent Zr, 0 to 60 atomic percent V, 0... | 07/16/1996 |
| 5532076 | Hydrogen storage alloy and electrode therefrom A hydrogen storage alloy preferably used for electrodes in alkaline rechargeable battery is of the general formula: Zr1.2-a Tia Mnv Alw Nix My Crz wherein M represents at least o... | 07/02/1996 |
| 5516485 | Weldable cast heat resistant alloy Air meltable, weldable cast alloys of high hot strength and hot gas corrosion resistance especially in the service temperature range of about 1800° F. to 2100° F. which consist essentially of: ______________________________________ Nickel ... | 05/14/1996 |
| 5478417 | Controlled thermal expansion superalloy The invention provides a controlled coefficient of thermal expansion alloy having in weight percent about 26-50% cobalt, about 20-40% nickel, about 20-35% iron, about 4-10% aluminum, about 0.5-5% niobium plus 1/2 of tantalum weight percent and about 1.5-1... | 12/26/1995 |
| 5425912 | Low expansion superalloy with improved toughness A high strength, low coefficient of thermal expansion superalloy exhibiting improved toughness over a broad temperature range down to about 4° K. The composition is adapted for use with wrought superconducting sheathing.... | 06/20/1995 |
| 5422072 | Enhanced Co-based alloy A Co-based alloy exhibits superior high-temperature strength and resistance properties. In one embodiment, the Co-based alloy contains, in weight percent, from about 0.1 to about 1.2 of C; from about 0.01 to about 2 of at least one of Si and Mn; from abou... | 06/06/1995 |
| 5407761 | Electrochemical hydrogen storage alloys and batteries fabricated from these alloys having significantly improved capacity A disordered electrochemical hydrogen storage alloy comprising: (Base Alloy)a Cob Mnc Ald Fee Mof where said Base Alloy comprises 0.1 to 60 atomic percent Ti, 0.1 to 25 atomic percent Zr, 0.1 to 60 a... | 04/18/1995 |
| 5403547 | Oxidation resistant low expansion superalloys An oxidation resistant alloy containing iron, cobalt, nickel and at least 4 to 5% by weight aluminum having at least a duplex crystalline structure. One crystalline component of this structure is a gamma (fcc) phase having a gamma prime phase dispersed th... | 04/04/1995 |
| 5378427 | Corrosion-resistant alloy heat transfer tubes for heat-recovery boilers A corrosion-resistant austenitic alloy suitable for use in heat transfer tubes for heat-recovery boilers which withstands uniform corrosion, intergranular corrosion, and stress corrosion cracking in refuse-fired boilers and black-liquor combustion boilers... | 01/03/1995 |
| 5328499 | Mechanically alloyed nickel-base composition having improved hot formability characteristics A mechanically alloyed composition of matter containing 30-40% chromium, 0-15% cobalt, 0-10% iron, 0.2-1.0% aluminum, 0.3-1.2% titanium, greater than 1-5% tantalum and/or niobium, 0.2-1% yttria, usual processing and trace impurities, and the balance nicke... | 07/12/1994 |
| 5310522 | Heat and corrosion resistant iron-nickel-chromium alloy Alloys are provided which consist essentially by weight percentages of from about 30% to about 35% Ni, from about 22% to about 25% Cr, from about 4% to about 6.5% Mo, from about 0.2% to about 1.5% W, from about 0.2% to about 0.6% Nb, from about 0.1% to ab... | 05/10/1994 |
| 5283032 | Controlled thermal expansion alloy and article made therefrom A precipitation strengthenable, nickel-cobalt-iron base alloy and articles made therefrom are disclosed. The alloy contains controlled amounts of silicon, nickel, cobalt, iron, chromium, niobium, titanium, and aluminum which are critically balanced to pro... | 02/01/1994 |
| 5277999 | Electrochemical hydrogen storage alloys and batteries fabricated these alloys having significantly improved performance characteristics A disordered electrochemical hydrogen storage alloy and electrochemical cells having a negative electrode comprising this alloy, where the alloy has the composition (Base Alloy)a Cob Mnc Ald Fee Laf | 01/11/1994 |
| 5154885 | Highly corrosion and/or oxidation-resistant protective coating containing rhenium A protective coating for metal components formed of nickel or cobalt-based superalloys essentially consists of the following constituents (in percentages by weight): 1 to 20% rhenium, 22 to 50% chromium, 0 to 15% aluminum, the share of chromium and aluminum ta... | 10/13/1992 |
| 5137684 | Hydrogen embrittlement resistant structural alloy A precipitation hardening, high strength alloy, characterized by a low, controlled co efficient of thermal expansion and resistance to hydrogen environment embrittlement.... | 08/11/1992 |
| 5077006 | Heat resistant alloys This invention relates to heat and corrosion resistant alloys for structural parts in industrial furnaces and similar installations requiring hot strength, long life and resistance to hot gas corrosion, carburization and thermal fatigue, and to master all... | 12/31/1991 |
| 5066458 | Heat resisting controlled thermal expansion alloy balanced for having globular intermetallic phase A heat resisting, controlled thermal expansion, nickel-iron base alloy consisting essentially of, in weight percent, about: ______________________________________ C 0.1 max. Mn 0.5 max. a small but ... | 11/19/1991 |
| 5000914 | Precipitation-hardening-type ni-base alloy exhibiting improved corrosion resistance A precipitation-hardening-type Ni-base alloy exhibiting improved resistance to stress corrosion cracking in a sour gas atmosphere containing elemental sulfur at high temperatures is disclosed. The alloy comprises essentially, by weight %; ______... | 03/19/1991 |
