Patents
Patents for C01B 13 - Oxygen; Ozone; Oxides or hydroxides in general (14,838)
12/1988
12/29/1988WO1988010499A1 Process for forming thin film of oxide superconductor
12/29/1988WO1988010323A1 Complex compounds for forming thin film of oxide superconductor and process for forming thin film of oxide superconductor
12/29/1988WO1988010233A1 Process for producing oxide powder and oxide superconductor
12/28/1988EP0297090A1 Process for the production of purified oxygen for use in the further production of ozone
12/22/1988DE3719379A1 Method and device for supplying high voltage, especially to impedence-type loads
12/21/1988EP0295389A2 Process and apparatus for producing ceramic powders
12/21/1988EP0295269A1 Layered metal oxides containing interlayer oxides and their synthesis.
12/21/1988CN88103399A Method for forming superconductor thin film and apparatus therefor
12/20/1988US4792539 Process for producing clay derivatives having a porous structure and novel clay derivatives obtained by the process
12/20/1988US4792438 Rotary type ozonizer
12/20/1988US4792435 Oxygen generating system
12/15/1988WO1988009768A1 Method of producing oxide superconductor
12/14/1988EP0295023A2 Method of fabricating a superconductive body, and apparatus and systems comprising the body
12/14/1988EP0294991A2 Readily sinterable powder of perovskite type oxide containing group Va element and laminated element obtained therefrom
12/14/1988EP0294588A2 Process for the purification of gases
12/14/1988EP0294382A1 A gas concentrating method and plant
12/13/1988US4790980 Device for the generation of ozone and a process for its operation
12/13/1988US4790954 Reacting monodispersed monolayer hydroxide gels with hydrophilic organics; oil drilling
12/13/1988US4790859 Method of separating gaseous mixture
12/07/1988EP0294221A2 Method for forming a superconductor thin film and apparatus therefor
12/07/1988EP0293981A2 Processes for the manufacture of superconducting inorganic compounds and the products of such processes
12/07/1988EP0293717A2 Zeolite A-granulat for oxygen enrichment
12/07/1988EP0293370A1 Fluid energizing method and apparatus.
12/06/1988US4789388 Oxygen enriching apparatus
12/01/1988WO1988009311A1 Superconducting oxide material and method of obtaining it
12/01/1988WO1988009307A1 Method for producing a fine powder of metal oxide (zirconium, hafnium, titanium) having a specific surface or a predetermined grain size
12/01/1988WO1988009061A3 Superconducting materials, methods and derivated devices
11/1988
11/30/1988CN88203679U Chemical oxygen-generating bag for emergency use
11/29/1988US4787919 Membrane separation system and process
11/23/1988EP0292387A2 Method for producing a superconducting circuit
11/23/1988CN88200258U Small emergency oxygen feeding device
11/22/1988US4786489 Ozone-producing process
11/17/1988WO1988009061A2 Superconducting materials, methods and derivated devices
11/17/1988EP0291009A2 Formation of superconductive ceramic oxides by chemical polymerization
11/17/1988EP0290970A2 Process for splitting and enriching a multicomponent gas with several separation chambers
11/09/1988EP0289582A1 Method for preparing a metal oxide varistor precursor powder.
11/08/1988US4783203 Integrated pressure swing adsorption/membrane separation process
11/03/1988WO1988008338A1 Preparation of superconducting ceramic materials
11/03/1988DE3813454A1 Verfahren zur herstellung von anorganischen metallverbindungen mit ultrahoher reinheit Process for the preparation of inorganic metal compounds with ultra-high purity
11/02/1988EP0288641A2 Parametrically modified superconducting material
11/01/1988US4781982 Dentifrices
11/01/1988US4781735 Enrichment in oxygen gas
10/1988
10/26/1988EP0288030A1 Improved outerwrap for hollow fiber membrane separation device
10/20/1988WO1988007973A1 Resilient dielectric electrode for corona discharge devices
10/19/1988EP0287258A1 Method of producing a layer of superconductive material
10/19/1988CN88101743A Process for the manufacture of a powder of mixed metal oxides and mixed metal oxide powders
10/18/1988US4778868 Silane-substituted acetylenic homopolymers; workability
10/18/1988US4778671 Preparation of unagglomerated metal oxide particles with uniform particle size
10/13/1988DE3808182A1 Process and apparatus for treating organic exhaust gases
10/12/1988EP0286289A1 A method of preparing a superconducting oxide and superconducting oxide metal composites
10/12/1988EP0286155A1 Process for the preparation of a mixed metal oxides powder, and mixed metal oxides powders
10/12/1988EP0286106A2 Process for manufacturing a superconductive device
10/12/1988EP0286090A1 Improved composite separation membranes and the preparation and use thereof
10/12/1988CN87216067U Electronic water purifier
10/11/1988CA1242988A1 Method for separating oxygen from a gaseous mixture
10/05/1988EP0285392A2 Methods for making superconductor precursor
10/05/1988EP0285339A1 Metal oxide and metal sulfide particles and production thereof
10/05/1988EP0285108A2 Method of producing superconducting wire
10/05/1988CN88101708A Preparation of superconducting oxides and oxide-metal composites
09/1988
09/28/1988EP0284448A1 High purity nitrogen producing method
09/28/1988EP0283751A2 Polyalkylamine complexes for ligand extraction and generation
09/27/1988US4774068 Method for production of mullite of high purity
09/27/1988US4774062 Porcelain, multilayer, coatings, concentric
09/21/1988CN87212346U Ozone generator (tube)
09/20/1988US4772392 Extrusion from mixture of solvent and nonsolvent
09/15/1988DE3724639A1 Controllable alternating-current source for ozone generation
09/14/1988EP0282291A2 Process for producing ultrafine particles of metals, metal compounds and ceramics and apparatus used therefor
09/14/1988EP0282139A1 Process for producing finely divided powdery compositions
09/14/1988EP0282053A2 Molecular sieving carbon, process for its production and its use
09/14/1988EP0281876A1 Preparation of high purity oxygen
09/14/1988EP0281696A1 A process for the photocatalytic decomposition of water into hydrogen and oxygen
09/13/1988US4770858 Ozone generator
09/07/1988WO1988006641A1 Polyalkylamine complexes for ligand extraction and generation
09/07/1988EP0280812A1 Superconductivity in square - planar compound systems
08/1988
08/31/1988EP0280673A2 Method for production of inorganic minute globular particles
08/31/1988EP0280292A2 Method of manufacturing a layer of oxide superconductive material
08/30/1988US4767422 Repairing defects by post-treatment with volatile solvent and additives
08/23/1988US4766284 Production of compounds by reaction of solid materials at high temperatures produced by plasma arc torches
08/23/1988US4766229 Materials for gas separation
08/23/1988US4765808 Separation of carbon monoxide from nitrogen with Ba exchanged zeolite X
08/23/1988CA1240972A1 Metal oxide having uniform pore sizes, the process for producing said metal oxide, and catalyst carrier comprising the said metal oxide
08/23/1988CA1240900A1 Inorganic oxide aerogels and their preparation
08/16/1988US4764357 Heating metal oxide with compounde which decomposes to gas
08/16/1988US4764349 Energy radiating gas filled tube with conductor; perforated metal grid shield
08/16/1988CA1240516A1 Hydrogen engine
08/10/1988EP0277245A1 Process for producing complex oxide to be used for producing ferrite
08/10/1988CN87210681U 便携式氧气发生器 Portable oxygen generator
08/10/1988CN87107765A Super conductivity in squar-planar compound systems
08/03/1988CN88100398A Solid agent for producing the oxygen
08/02/1988US4761209 Closed membrane system with a reversible oxygen binding compound
08/02/1988CA1239878A1 Gas separation process
07/1988
07/28/1988WO1988005322A1 Portable oxygen generator
07/27/1988EP0275688A1 Process for manufacture of metal oxide
07/26/1988CA1239595A1 Enhanced pressure swing adsorption processing
07/26/1988CA1239594A1 Single bed pressure swing adsorption gas separation system
07/26/1988CA1239593A1 Pressure swing adsorption process for supplying oxygen under variable demand conditions
07/25/1988EP0271575A4 Layered metal chalcogenides containing interlayer chalcogenides and their synthesis.
07/21/1988EP0295269A4 Layered metal oxides containing interlayer oxides and their synthesis.
07/21/1988EP0272306A4 Oligomerization of olefins.
07/21/1988EP0271563A4 Layered silicates and their synthesis.