DMC2 DEGUSSA METALS
Patent Owner
Stats
- 49 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Jan 13, 2004 most recent publication
Details
- 49 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 2,176 Total Citation Count
- Jun 10, 1981 Earliest Filing
- 53 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
Rank in Class
Top Patents (by citation)
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Recent Publications
- No Recent Publications to Display
Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
6627257 Process for coating the flow channels in a monolithic catalyst carrier with a coating dispersionAug 19, 99Sep 30, 03[B05D]
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]
6350421 Nitrogen oxide storage material and nitrogen oxide storing catalyst prepared therefromAug 23, 99Feb 26, 02[B01J, B01D]
Expired/Abandoned/Withdrawn Patents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]
6165635 Pt/Rh/Fe alloy catalyst for fuel cells and a process for producing the sameExpiredOct 14, 99Dec 26, 00[H01M]
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]
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]
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