Vereinigte Aluminium-Werke A.G.

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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 1108
 
  
 
B22D CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES 148
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF178
 
  
 
C25C PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR 118

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5407654 Synthetic crystalline aluminosilicate for the catalytic conversion of hydrocarbons in petrochemical processesJul 08, 91Apr 18, 95[C01B, B01J]
5325910 Method and apparatus for continuous castingJun 28, 93Jul 05, 94[B22D]
4919771 Process for producing aluminum by molten salt electrolysisSep 20, 79Apr 24, 90[C25C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5338417 Cathodic corrosion protection for an aluminum-containing substrateExpiredAug 08, 91Aug 16, 94[C23F]
5268236 Composite aluminum plate for physical coating processes and methods for producing composite aluminum plate and targetExpiredJun 21, 91Dec 07, 93[B32B]
5238439 Musical barnExpiredJan 18, 91Aug 24, 93[A63H]
5133577 Refractory pipeline with gas-tight jointExpiredJul 13, 90Jul 28, 92[F16L]
5116428 Rolled thin sheets of aluminum alloyExpiredMar 07, 91May 26, 92[C22C]
5098530 Carbon electrode with gastight, temperature stable protective globeExpiredNov 09, 89Mar 24, 92[C25C]
5080728 Rolled aluminum product and method for its productionExpiredApr 23, 90Jan 14, 92[C21D, C22C]
5065510 Method for the manufacture of a light metal vehicle wheelExpiredSep 30, 88Nov 19, 91[B21K, B21B]
5063033 Process for the production of boehmiteExpiredFeb 10, 87Nov 05, 91[C01F]
5032468 Composite aluminum plate and target for physical coating processes produced therefrom and methods for producing sameExpiredNov 27, 89Jul 16, 91[C23C, B32B, C22C]
5024793 Method for manufacturing refractory oxide-carbon bricksExpiredMay 09, 88Jun 18, 91[C04B]
5019188 Process for forming an aluminum alloy thin sheet by hot and cold rollingExpiredApr 20, 90May 28, 91[C22F, C22C]
5009722 Process for producing base material for an aluminum offset printing plateExpiredMay 23, 90Apr 23, 91[C22F]
4999170 Method for removing sodium oxalate from caustic aluminate liquorsExpiredSep 20, 89Mar 12, 91[C01F]
4996095 Composite material of aluminum and glass fiber mat, method for its production, and method for utilization as insulator for vehiclesExpiredJul 01, 88Feb 26, 91[B32B]
4994253 Process for the production of large boehmite particlesExpiredAug 30, 88Feb 19, 91[C01F]
4966819 Covering frame for windows, doors, and the likeExpiredJan 11, 89Oct 30, 90[E06B]
4952539 Method for the manufacture of transparent aluminum oxide ceramicExpiredJan 23, 89Aug 28, 90[C04B]
4946666 Process for the production of fine tabular alumina monohydrateExpiredAug 15, 88Aug 07, 90[C01F]
4945004 Base material for an aluminum offset printing plateExpiredApr 26, 88Jul 31, 90[B32B]

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