DMC2 DEGUSSA METALS

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1990
 
  
 
B01D SEPARATION 9125
 
  
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 582
 
  
 
F01N GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES 568
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM3154
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF277
 
  
 
C03C CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS258
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 2136
 
  
 
H01M PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY 2152
 
  
 
B21F WORKING OR PROCESSING OF WIRE 119

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6677264 Catalyst for cleaning up the exhaust gases of a diesel engineNov 18, 99Jan 13, 04[B01J]
6627257 Process for coating the flow channels in a monolithic catalyst carrier with a coating dispersionAug 19, 99Sep 30, 03[B05D]
6596056 Process for coating a ceramic honeycomb bodyDec 22, 00Jul 22, 03[B05D, B01D]
6576207 Oxygen storing material with high thermal stability and a process for preparation and use thereofApr 08, 98Jun 10, 03[B01J]
6516611 Process and device for removing soot from the exhaust gas of a diesel engineMay 22, 00Feb 11, 03[F01N]
6500217 Process for applying electrode layers to a polymer electrolyte membrane strip for fuel cellsJun 28, 99Dec 31, 02[H01N]
6475951 Catalyst materialFeb 25, 00Nov 05, 02[B01J]
6413449 Method of using catalyst for steam reforming of alcoholsOct 07, 99Jul 02, 02[C01B, C07C]
6413904 Nitrogen oxide storage catalystOct 13, 99Jul 02, 02[B01D]
6350421 Nitrogen oxide storage material and nitrogen oxide storing catalyst prepared therefromAug 23, 99Feb 26, 02[B01J, B01D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6649559 Supported metal membrane, a process for its preparation and useExpiredJul 26, 01Nov 18, 03[B01J, B32B, B01D]
6534439 Catalyst for reducing nitrogen oxides in oxidizing and reducing atmospheresExpiredJul 01, 99Mar 18, 03[C01B, B01J]
6334986 Process for the selective catalytic reduction of the nitrogen oxides contained in a lean exhaust gasExpiredJan 11, 01Jan 01, 02[B01D]
6238525 Process for reducing the nitrogen oxides content of exhaust gas from an internal combustion engineExpiredApr 27, 99May 29, 01[C01B]
2001/0001,647 EXHAUST GAS PURIFICATION SYSTEM FOR DIESEL MOTORSAbandonedMay 01, 98May 24, 01[F01N, B01D]
6180075 Exhaust gas catalystExpiredApr 08, 98Jan 30, 01[B01J]
6165635 Pt/Rh/Fe alloy catalyst for fuel cells and a process for producing the sameExpiredOct 14, 99Dec 26, 00[H01M]
6156449 Catalyst layer for polymer electrolyte fuel cellsExpiredAug 18, 99Dec 05, 00[H01M]
6146782 Fuel cell anode for the oxidation of methanolExpiredApr 12, 99Nov 14, 00[H01M]
6077489 Oxidation catalyst for internal combustion enginesExpiredDec 16, 98Jun 20, 00[B01J, B01D]
6007934 Co-tolerant anode catalyst for PEM fuel cells and a process for its preparationExpiredMay 19, 98Dec 28, 99[H01M]
6001318 Process for lowering nitrogen oxide levels in combustion engine exhaust gasExpiredDec 22, 97Dec 14, 99[F01N, B01J, B01D]
5985440 Sintered silver-iron material for electrical contacts and process for producing itExpiredFeb 27, 97Nov 16, 99[B22F, H01H]
5958929 6-aryl pyrazolo ?3,4-d! pyrimidin-4-ones and compositions and methods of use thereofExpiredJan 30, 98Sep 28, 99[A61K, C07D]
5934073 Auxiliary heating for motor vehicles with internal combustion enginesExpiredMay 14, 98Aug 10, 99[F01N]
5841044 Silver-iron material for electrical switching contacts (I)ExpiredNov 19, 96Nov 24, 98[C22C]
5808213 Silver-iron material for electrical switching contacts (II)ExpiredNov 19, 96Sep 15, 98[C22C]
5798468 Sintering material containing silver-tin oxide for electrical contacts and process for its manufactureExpiredJan 31, 96Aug 25, 98[B22F, C22C]
5767036 Platinum-aluminum alloy catalyst for fuel cells and method of its production and useExpiredMay 08, 96Jun 16, 98[B01J]
5730931 Heat-resistant platinum materialExpiredAug 16, 96Mar 24, 98[C22C]

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