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...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 5962373 | Method for producing mixed metal oxide compounds A precursor is made from a plurality of materials having different vapor pressures. The precursor and a source material are placed in a closed heat treatment furnace. The source material is materials which are the same as some of the materials contained i... | 10/05/1999 |
| 5919735 | High temperature superconductor A high temperature superconductor which has a layered crystal structure, which has a superconducting transition temperature, Tc, of 110 K or more, and which has a composition expressed by: Cu1-z M'z Ae2 Cax-1 Cu... | 07/06/1999 |
| 5883050 | Hg-based superconducting cuprate films A Hg-based superconducting cuprate film on a substrate is disclosed, which comprises a compound having the formula Hg1-x Mx Ba2 Can-1 Cun Oy, M is a metal cation, x ranges from 0 to 1, n is... | 03/16/1999 |
| 5874383 | Tibibacacuo based superconductors A high temperature superconductor system having the single phase composition TlBiBaCaCuO. The system exhibits a Tc of at least 116 K.... | 02/23/1999 |
| 5858926 | Process for preparing mercury-barium-calcium-copper-oxide-based superconductor materials The present invention is directed to a process for preparing a HgBaCaCuO superconductor by annealing a precursor mixture comprising a lower member of the homologous HgBaCaCuO superconductor series, a source of calcium and a source of copper. The precursor... | 01/12/1999 |
| 5851954 | Superconducting oxide-based composite material A composite based on a superconducting oxide having a high critical temperature, characterized by the fact that it is constituted by glass and said oxide, the glass being such that its vitreous transition temperature is not greater than 750K, the volume f... | 12/22/1998 |
| 5849672 | Oxide superconducting material, process for preparing the same and applications thereof Novel superconducting oxide material containing compound oxide having a composition represented by the formula: (Tl1-x Bix)1-p p !q Sry Caz Cuv Ow in wh... | 12/15/1998 |
| 5840660 | Method of preparing bismuth oxide superconductor Raw material powder for a bismuth oxide superconductor is molded with addition of an organic vehicle, and the molded raw material is heat treated for removing the organic vehicle before the molded raw material is metal-coated. In this heat treatment, cond... | 11/24/1998 |
| 5776861 | High temperature mercury-containing superconductors and method of making the same Hg,Tl-based superconductors are produced by HIPping. A new superconducting phase, having a double (Hg,Tl)-layer and the nominal composition: (Hg1-x Tlx)2 (Ba1-a Sra)2 (Ca1-b Yb | 07/07/1998 |
| 5747099 | Two chamber reaction furnace A vertical two chamber reaction furnace. The furnace comprises a lower chamber having an independently operable first heating means for heating the lower chamber and a gas inlet means for admitting a gas to create an ambient atmosphere, and an upper chamb... | 05/05/1998 |
| 5688383 | Method for improving the performance of high temperature superconducting thin film wafers A method for decreasing the microwave surface impedance of high-temperature superconducting thin films comprises (a) applying, preferably by spin-coating, a protective coating (preferably poly(methyl methacrylate) or polyimide) to the surface of a high-te... | 11/18/1997 |
| 5648322 | Tl-based superconductive material, a superconductive body, and a method of forming such a superconductive material or body A superconductive material has the formula (Tl1-X1-X2 PbX1 BiX2) (Sr1-X3 BaX3)ଲ Caγ Cuδ O.xi. where 0ࣘX1ࣘ0.8 0ࣘX2ࣘ0.5 0ࣘX3ࣘ1.0 0... | 07/15/1997 |
| 5646094 | Rare earth substituted thallium-based superconductors The present invention comprises novel superconducting materials exhibiting superconductivity at temperatures exceeding 90 K. with chemical formula Tla Pbb Cac Srd Re Cuf Og where R=Y ... | 07/08/1997 |
| 5618776 | Yttrium or rare-earth substituted metal oxide materials The invention provides certain novel metal oxide materials which exhibit superconductivity at elevated temperatures and/or which are useful in electrode, electrolyte, cell and sensor applications, or as electrochemical catalysts. The metal oxide materials... | 04/08/1997 |
| 5597781 | R-Tl-SR-CA-CU-O superconductors and processes for making same A high temperature superconductor system is provided having the following formula: M-A-B-C-D-E, wherein, M is a metallic element. A is an element in Group 3A, B is an element in Group 2A, C is another element in Group 2A, D is an element in Group 1B, and ... | 01/28/1997 |
| 5556830 | Tl-doped HgBaCaCu superconductors Improved superconducting oxides are provided having the general formula (Hg1-x Tlx)Ba2 Can-1 Cun O2n+2+ where x is from about 0.05-0.5 and n is 1, 2, 3 or 4, and is an oxygen... | 09/17/1996 |
| 5550105 | Superconducting compositions Superconducting compositions characterized by the formula (Pba A1-a)(Srb Ba1-b)2 (Cac B1-c)Cu2 O7 wherein at least half the A atoms are Hg and the remainder, if ... | 08/27/1996 |
| 5545610 | Oxide-based superconductor, a process for preparing the same and a wire material of comprising the same An oxide-based superconductor ccmprising Tl, Pb, Sr, Ca and Cu or Tl, Pb, Ba, Sr, Ca and Cu, prepared by subjecting a low melting point composition comprising the superconductor-constituting elements and a solid composition comprising the superconductor-c... | 08/13/1996 |
| 5529979 | Oxide superconducting material and process for preparing the same Superconducting oxide material containing compound represented by the formula: (Tl.sub.(l-p-q) Bip Pbq)y γz (.sub.(l-r) ଲr)s Cuv Ow in which each of ""... | 06/25/1996 |
| 5523284 | Process for preparing a bulk textured superconductive material In accordance this invention, there is provided a process for making a bulk superconductive material. In the first step of this process, a diffusion couple is formed from superconductor oxide and impurity oxide. Thereafter, the diffusion couple is heated ... | 06/04/1996 |
| 5521148 | Oxide superconducting material, process for preparing the same and applications thereof Novel superconducting oxide material containing compound oxide having a composition represented by the formula: [(Tl1-x Bix)1-p p ]q Sry Caz Cuv Ow in whi... | 05/28/1996 |
| 5516752 | Thallim, bismuth and lead containing oxide superconductor Superconducting oxide material containing compound represented by the formula: (Tl.sub.(1-p-q) Bip Pbq)y γz (.sub.(1-r) ଲr)s Cuv Ow in which each of ""... | 05/14/1996 |
| 5510323 | Tl1 (Ba1-x Sr8)2 Ca2 Cu3 Oy oxide superconductor and method of producing the same An oxide superconductor comprising a perovskite type oxide compound of thallium, strontium, calcium and copper or thallium, strontium, balium, calcium and copper is produced by absorbing thallium in a gaseous phase into a mixture of strontium oxide or str... | 04/23/1996 |
| 5502029 | Laminated super conductor oxide with strontium, calcium, copper and at least one of thallium, lead, and bismuth Superconductors using oxide superconducting materials having pinning centers inside crystal grains are enhanced in transmissible critical current density and allowed to have a high critical current density even in the magnetic field. A superconductor is p... | 03/26/1996 |
| 5498594 | (Hg or Pb)-Pr-Tl-Sr-Cu-O based superconductors A high temperature superconducting system comprising M--R--Tl--Sr--Cu--O wherein: M is at least one compound selected from the group consisting of Hg, Pb, K, and Al; and R represents rare earth metals. In one embodiment, a composition forms a 93K supercon... | 03/12/1996 |
| 5492885 | Mercury-thallium-barium-calcium-strontium-copper-oxide 1223 superconductor and method of making same Mercury-thallium based superconductors with the formula Hg1-x Tlx Ba2 (Ca1-y Sry)2 Cu3 O8+δ ; change "their preparing method, in particular characterized in that it" to an... | 02/20/1996 |
| 5482917 | T1-M-Cu-O-F superconductors A superconducting composition having the nominal formula TlM2 CuO5-x Fx wherein M is Ba and x is from about 0.10 to about 0.65, or M is Sr and x is from about 0.35 to about 0.75 is disclosed.... | 01/09/1996 |
| 5476836 | Reactor vessel for manufacture of superconducting films Methods and reactors are described for the production of high temperature superconductor films on a variety of substrates, particularly those films which include volatile components during their manufacture. The reactors are particularly useful for produc... | 12/19/1995 |
| 5470821 | Superconductors having continuous ceramic and elemental metal matrices Composite bulk superconducting materials having desirable physical, measured transport current density and high Tc superconducting characteristics are provided which comprise a first matrix of superconducting ceramic oxide crystalline grains wi... | 11/28/1995 |
| 5462922 | Superconductive material, a superconductive body, and a method of forming such a superconductive material or body A superconductive material has the formula (Tl1-X1-x2 PbX1 BiX2) (Sr1-X3 BaX3)ଲ Caγ Cuδ O.zeta. where 0ࣘX1ࣘ0.8 0ࣘX2ࣘ0.5 0ࣘX3ࣘ1.0... | 10/31/1995 |
| 5430008 | Method and composition for improving flux pinning and critical current in superconductors Superconducting materials and methods of forming superconducting materials are disclosed. Highly oxidized superconductors are heated at a relatively high temperature so as to release oxygen, which migrates out of the material, and form a non-superconducti... | 07/04/1995 |
| 5401713 | Oxide-type superconducting material A new superconducting material composed mainly of compound oxide represented by the general formula: Tlh Caj k(1-y) ଲky Cum On wherein "" represents Ba or Sr; "ଲ" represents... | 03/28/1995 |
| 5389603 | Oxide superconductors, and devices and systems comprising such a superconductor A new class of high temperature superconductive oxides is disclosed. An exemplary member of the class has nominal composition Pb2 Sr2 Y0.5 Ca0.5 Cu3 O8 and has a transition temperature T | 02/14/1995 |
| 5385882 | Process for preparing a thallium-containing superconductor There is disclosed a process for preparing a thallium-containing superconductive composition. In the first step of the process, a mixture of an inorganic salt (such as potassium chloride) and a powder compositon is provided; the powder composition contain... | 01/31/1995 |
| 5376624 | Josephson break junction thin film device A Josephson break junction device suitable for highly sensitive electronic detecting systems. A superconductor film such as YBa2 Al3 O7 is deposited on a substrate such as a single-crystal MgO. The film is fractured across... | 12/27/1994 |
| 5376626 | Magnetic field operated superconductor switch A superconducting switch is composed of anisotropic magnetic material. The switch has a first superconducting section, a variable resistive section and a second superconducting section. An external magnetic field is applied so that the first and second su... | 12/27/1994 |
| 5372990 | Oxide superconductor Provided is an oxide superconductor in which superconducting layer is sandwiched between two blocking layers having different compositions. Available superconducting layers include a one-layer system having one Cu-O2 sheet, a two-layer system h... | 12/13/1994 |
| 5358928 | High temperature superconductor step-edge Josephson junctions using Ti-Ca-Ba-Cu-O A process for formulating non-hysteretic and hysteretic Josephson junctions using HTS materials which results in junctions having the ability to operate at high temperatures while maintaining high uniformity and quality. The non-hysteretic Josephson junct... | 10/25/1994 |
| 5342828 | Superconducting Tl-Pb-Sr-Ca-Cu-O thin film A superconducting Tl--Pb--Sr--Ca--Cu--O thin film comprised of at least one phase of the formula Tl0.5 Pb0.5 Sr2 Ca1+n Cu2+n O7+2n where n=0, 1 or 2 is disclosed, which is prepared by a process ... | 08/30/1994 |
| 5334579 | Process for preparing superconducting material A process for producing a superconducting material comprising a compound oxide represented by the general formula: (Ba, Ca)x (, Dy)1-x Tly Cu1-y O3-z wherein "" represents Y or La; the atomic rati... | 08/02/1994 |
