QO CHEMICALS INC. CHICAGO ILLINOIS

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C08G MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 1119
 
  
 
C08K USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS 1101
 
  
 
C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 1115

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5719228 Glass fiber binding compositions, process of making glass fiber binding compositions, process of binding glass fibers, and glass fiber compositionsJan 06, 95Feb 17, 98[C08G]
5589536 Glass fiber binding compositions, process of binding glass fibers, and glass fiber compositionsMar 13, 95Dec 31, 96[C08L]
5545825 Low VOC furan resins and method of reducing VOCs in furan resinsJan 06, 95Aug 13, 96[C08K]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6077883 Emulsified furan resin based glass fiber binding compositions, process of binding glass fibers, and glass fiber compositionsExpiredJan 06, 95Jun 20, 00[C08K]
4898644 Removal of volatile acids from aqueous solutionsExpiredMay 02, 88Feb 06, 90[C07C, B01D]
4622075 Metal cleaningExpiredNov 12, 85Nov 11, 86[B08B]
4548752 Chemical compositions and methodsExpiredNov 14, 83Oct 22, 85[C08G]
4543373 Fast curing furan foundry binder system containing a metal salt acceleratorExpiredNov 08, 84Sep 24, 85[C08K]
4532096 Method of shaping articles using shaping surfaces having release agent coatingExpiredMay 09, 83Jul 30, 85[B22C, B29J]
4515935 Catalysts for foundry core bindersExpiredJun 22, 84May 07, 85[C08G]
4479913 Method and composition for a ramming mix in aluminum reduction cellsExpiredFeb 18, 83Oct 30, 84[B29C]
4474636 Fabrication of composite articlesExpiredApr 29, 83Oct 02, 84[C09J]
4439568 Fabrication of composite articlesExpiredNov 06, 81Mar 27, 84[C08K]
4426460 Polyurethanes or isocyanurates from alkoxylated hydroxymethylfuranExpiredAug 10, 81Jan 17, 84[C08G]
4405726 Catalysts and binder systems for manufacturing sand shapesExpiredApr 22, 82Sep 20, 83[C08L]
4404383 N,N'-Bis[5-hydroxymethylfurfuryl]piperazineExpiredJun 26, 81Sep 13, 83[C07D]
4403046 Binder compositions and process for preparing said compositionsExpiredOct 05, 81Sep 06, 83[B22C]
4383098 Catalysts and binder systems for manufacturing sandshapesExpiredJul 13, 81May 10, 83[C08G, C08F]
4381813 Method for manufacturing foundry coresExpiredSep 10, 81May 03, 83[B28B]
4367247 Primer for portland cement concreteExpiredFeb 17, 81Jan 04, 83[B05D]
4366267 Catalysts and binder systems for manufacturing sand shapesExpiredDec 17, 80Dec 28, 82[C08G]
4361613 Composite construction materials with improved fire resistanceExpiredSep 21, 81Nov 30, 82[B32B]
4331583 Catalysts for foundry core bindersExpiredFeb 17, 81May 25, 82[C08L]

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