SKW TROSTBERG AKTIENGESELLSCHAFT

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
A23L FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT 163
 
  
 
B22F WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER 151
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF178
 
  
 
C08G MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 1119
 
  
 
C21C PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL 117

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5739212 Water-soluble graft polymersOct 19, 95Apr 14, 98[C08G]
5510134 Process for the production of highly concentrated fruit aromas from condensed fruit vaporsDec 20, 94Apr 23, 96[A23L]
5376160 Agent for the treatment of metal meltsOct 28, 93Dec 27, 94[B22F, C21C]
5114693 Process for the production of silicon nitride and product made according to the processMay 09, 91May 19, 92[C01B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2003/0087,436 Process for the production of biologically active polymeric nanoparticle-nucleic acid conjugatesAbandonedJun 19, 02May 08, 03[A61K, C08G, C12N, B01J]
6454929 Process for the simultaneous electrochemical preparation of sodium dithionite and sodium peroxodisulfateExpiredApr 27, 01Sep 24, 02[C25B]
6150437 Flow improving agents for binder suspensions containing cementExpiredJun 07, 95Nov 21, 00[C04B, C08L]
5998319 Method of producing sintered silicon nitrideExpiredJun 10, 98Dec 07, 99[C04B]
5753199 Process for the production of calcium cyanamide from ureaExpiredSep 11, 96May 19, 98[C01C]
5750180 Process for obtaining lipid fractions from egg products in powder formExpiredSep 07, 95May 12, 98[C07F, A23L]
5708182 Method for preparation of 2-imino 4-oxo-5-phenyloxazolidineExpiredApr 03, 96Jan 13, 98[C07D]
5703228 Process for the purification of carbohydrate derivatives with surface-active propertiesExpiredFeb 08, 96Dec 30, 97[C07H]
5692951 Hydraulic stunner apparatusExpiredFeb 08, 96Dec 02, 97[A22B]
5498437 Process for the removal of cholesterol derivatives from egg yolkExpiredAug 25, 94Mar 12, 96[A23L]
5466842 Process for the isolation of lipid fractions from EGG products in powder formExpiredMar 15, 94Nov 14, 95[C07F]
5433949 Process for the production of natural antioxidantsExpiredMar 11, 93Jul 18, 95[A61K]
5369198 Copolymers based on maleic acid derivatives and vinyl monomers, their production and applicationExpiredFeb 01, 94Nov 29, 94[C08F]
5358726 Process for the stabilization of hop productsExpiredAug 11, 93Oct 25, 94[C12C, A23L]
5346937 Modifying agents for thermosetting resins and thermosetting resins prepared using these agentsExpiredJun 11, 93Sep 13, 94[C08G]
5342633 Process for the production of egg yolk with reduced cholesterol contentExpiredSep 13, 93Aug 30, 94[A23L, A23J]
5292546 Process for the removal of cholesterol from egg yolkExpiredMar 04, 92Mar 08, 94[A23L]
5264023 Cored wire with a content of passivated pyrophoric metal, and the use thereofExpiredNov 20, 92Nov 23, 93[C23F]
5223172 Hardener for epoxide resin massesExpiredNov 06, 91Jun 29, 93[C08G]
5209901 Agent for the treatment of cast iron meltsExpiredApr 01, 92May 11, 93[C22C]

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