UCAR CARBON COMPANY INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C08K USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS 399
 
  
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 285
 
  
 
C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 2114
 
  
 
H01B CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING, OR DIELECTRIC PROPERTIES 272
 
  
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 2109
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF178
 
  
 
C04B LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS 167
 
  
 
C10B DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS 118
 
  
 
C10C WORKING-UP TAR, PITCH, ASPHALT, BITUMEN; PYROLIGNEOUS ACID 110

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5843298 Method of production of solids-free coal tar pitchSep 27, 96Dec 01, 98[C10C]
5751759 Pre-heating furnace for baked amorphous carbon bodiesMay 31, 95May 12, 98[H05B]
5607770 Carbon-carbon composites containing poorly graphitizing pitch as a binder and/or impregnant having a reduced coefficient of thermal expansion and improved flexural strengthMay 26, 95Mar 04, 97[B32B]
5550176 Room temperature setting carbonaceous cement with increased electrical conductivity and flexural strengthMar 23, 95Aug 27, 96[C08K]
5478442 Treatment of petroleum cokes with a puffing inhibitor in a rotary calcinerFeb 15, 95Dec 26, 95[C01B, C10B]
5476679 Method for making a graphite component covered with a layer of glassy carbonMay 04, 95Dec 19, 95[B05D]
5415755 Fastening element for securing electrode joints and the electrode using suchNov 17, 93May 16, 95[C25C]
5413738 Graphite electrodes and their productionOct 22, 85May 09, 95[C25B, C04B, H01B]
5373051 Room temperature setting carbonaceous cement with increased oxidation resistanceOct 12, 93Dec 13, 94[C08L, C08K]
5336015 Self centering electrode jointNov 25, 92Aug 09, 94[H05B, F16B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2007/0148,434 Insulated panel for mine safe roomsAbandonedApr 19, 06Jun 28, 07[B32B]
2007/0141,343 Carbon foam structural insulated panelAbandonedDec 21, 05Jun 21, 07[B32B]
2005/0175,061 Locking ring for graphite electrodesAbandonedJun 03, 04Aug 11, 05[H05B]
2005/0175,062 End-face seal for graphite electrodesAbandonedJan 20, 04Aug 11, 05[H05B]
2004/0076,810 Composite high temperature insulatorAbandonedOct 17, 02Apr 22, 04[F16L, C04B, E04B, B32B]
2004/0041,291 Process of making carbon electrodesAbandonedMar 04, 03Mar 04, 04[C01B]
2004/0000,734 Centrifugal casting of graphite for rigid insulationAbandonedJun 28, 02Jan 01, 04[B29C]
2003/0106,836 Batch process for making high flash point pitchAbandonedDec 10, 01Jun 12, 03[C01C, C07C]
2003/0108,745 High flash point pitch based impregnant for carbon and graphite and methodAbandonedDec 10, 01Jun 12, 03[B32B]
2003/0087,095 Sugar additive blend useful as a binder or impregnant for carbon productsAbandonedSep 28, 01May 08, 03[B32B]
2003/0072,959 Sugar additive blend useful as a binder or impregnant for carbon productsAbandonedJun 28, 02Apr 17, 03[C13F]
2003/0066,523 Sugar additive blend useful as a binder or impregnant for carbon productsAbandonedJun 28, 02Apr 10, 03[C07H, C13F]
5688155 Carbon--carbon composites containing poorly graphitizing pitch as a binder and/or impregnantExpiredJan 24, 95Nov 18, 97[C04B, B32B]
5639707 Process for the storage of methane with activated carbonExpiredJun 27, 96Jun 17, 97[B01J]
5575582 Fastening device for securing electrode jointsExpiredJan 18, 95Nov 19, 96[F16B]
5534133 Continuous method for increasing the Q. I. concentration of liquid tar while concurrently producing a Q. I. free tarExpiredNov 17, 94Jul 09, 96[C10C]
5501729 Pitch based impregnant for carbon and graphite and methodExpiredJul 19, 95Mar 26, 96[C09D]
5413816 Method of forming an aluminum protective coating on a carbon-carbon compositeExpiredDec 24, 91May 09, 95[B05D]
5372619 Method for storing methane using a halogenating agent treated activated carbonExpiredOct 14, 92Dec 13, 94[C01B, F17C, B01J]
5167796 Method of forming an electrode from a sulfur containing decant oil feedstockExpiredMay 22, 89Dec 01, 92[C10G]

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