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| Number | Title | Issue Date |
| 5902774 | Method for preparing high-temperature superconducting wire A method of producing a tape-shaped superconducting wire is provided. The wire maintains a high critical temperature and a high critical current density along the overall length thereof. In this method, raw material powder for the oxide superconductor is ... | 05/11/1999 |
| 5814585 | Bi(Pb)SrCaCuO superconductors The invention relates to a spray pyrolytic process for the preparation of multi-element metal oxide powders useful as precursors of high temperature superconductor ceramics. Aerosols of aqueous solutions containing corresponding metal salts admixed in the... | 09/29/1998 |
| 5686394 | Process for manufacturing a superconducting composite A continuous method for manufacturing an elongated superconducting campsite composed of a superconductor consisting of compound oxided and a metal sheath surrounding the superconductor, including the steps of kneading a material powder of superconducting ... | 11/11/1997 |
| 5614472 | Spray-pyrolysis process of preparing superconductor precursors The invention relates to a spray pyrolyric process for the preparation of multi-element metal oxide powders useful as precursors of high temperature superconductor ceramics. Aerosols of aqueous solutions containing corresponding metal salts admixed in the... | 03/25/1997 |
| 5369091 | Process for the manufacture of 95% by weight single phase YCBO powder in one combustion step, comprising the use of citrate complex compounds as starting materials A process for producing YBCO powders by pyrolysis involves preparing a clear aqueous solution containing the ions yttrium, barium and copper, in the final proportions desired for the powder, in the form of complex compounds, preferably citric complex comp... | 11/29/1994 |
| 5227365 | Fabrication of superconducting metal-oxide textiles by heating impregnated polymeric material in a weakly oxidizing atmosphere Process for producing superconducting metal-oxide textiles comprising impregnating a preformed, organic textile material with metal compounds in a desired atomic ratio, heating the material in a weakly oxidizing atmosphere to pyrolize and oxidize the orga... | 07/13/1993 |
| 5180706 | High-temperature porous-ceramic superconductors A method for fabricating a high-temperature ceramic superconductor having a Y-Ba-Cu-O or other copper-oxide composition of comparable properties so as to render the ceramic porous to define interlaced diffusion channels throughout the entire body of the c... | 01/19/1993 |
| 5162299 | Preparation of superconducting oxide precursor materials by pyrolysis from concentrated nitric acid solution A superconducting oxide precursor material is prepared by dissolving soluble compounds containing the non-oxygen elements of the oxide in concentrated nitric acid, in which a decomposing agent for the nitrate of the nitric acid selected from urea and sucr... | 11/10/1992 |
| 5114702 | Method of making metal oxide ceramic powders by using a combustible amino acid compound This invention is directed to the formation of homogeneous, aqueous precursor mixtures of at least one substantially soluble metal salt and a substantially soluble, combustible co-reactant compound, typically an amino acid. This produces, upon evaporation... | 05/19/1992 |
| 5102863 | Process for producing clad superconductive materials A process for fabricating superconducting composite wire by the steps of placing a superconductive precursor admixture capable of undergoing a self propagating combustion in stoichiometric amounts sufficient to form a superconductive product within a meta... | 04/07/1992 |
| 5064808 | Method of manufacturing oxide superconductors using self-propagating high-temperature synthesis The invention relates to production of superconductors, more particularly, LnM2II M3I Oy compounds where y=6-8; Ln=Y, Sc or lanthanide; MII =Ba, Ca or Sr; MI =Cu, Cu+Ag or LnM2 | 11/12/1991 |
| 5061682 | Ceramic precursor mixture and technique for converting the same to ceramic Ceramic precursor mixtures containing a metal cation, a carbohydrate, and an anion capable of participating in an anionic oxidation-reduction reaction with the carbohydrate for continuous or batchwise drying and pyrolyzing to provide ceramic powders.... | 10/29/1991 |
| 5045525 | Method for the synthesis of a high-temperature superconductor of a defined composition A method for the synthesis of an oxide high-temperature superconductor of defined composition by sintering of the starting oxides, wherein sintering is effected in a chemically and phyically closed system by generating a preset oxygen partial pressure thr... | 09/03/1991 |
| 4996189 | Method of producing mixed metal oxide material, and of producing a body comprising the material A novel method of producing mixed metal oxide powder (e.g., ferrite powder, or high temperature superconductor powder such as YBa2 Cu3 Ox powder) is disclosed. The method comprises forming an intimate mixture of appropriat... | 02/26/1991 |
