IFP ENTERPRISES

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

Patent Activity in the Last 10 Years

Technologies

  • No Technology to Display

Top Patents (by citation)

Upgrade to the Professional Level to View Top Patents for this Owner. Learn More

Recent Publications

  • No Recent Publications to Display

Recent Patents

  • No Recent Patents to Display

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5045180 Catalytic two-stage coal liquefaction process having improved nitrogen removalExpiredApr 16, 90Sep 03, 91[C10G]
5033413 Fluidized bed combustion system and method utilizing capped dual-sided contact unitsExpiredJul 02, 90Jul 23, 91[B09B, F22B]
4947803 Fludized bed reactor using capped dual-sided contact units and methods for useExpiredMay 08, 89Aug 14, 90[F22B]
4879021 Hydrogenation of coal and subsequent liquefaction of hydrogenated undissolved coalExpiredAug 26, 88Nov 07, 89[C10G]
4874506 Catalytic two-stage coal hydrogenation process using extinction recycle of heavy liquid fractionExpiredOct 16, 87Oct 17, 89[C10G]
4842719 Catalytic two-stage coal hydrogenation and hydroconversion processExpiredJun 18, 86Jun 27, 89[C10G]
4816141 Catalytic two-stage liquefaction of coal utilizing cascading of used ebullated-bed catalystExpiredOct 16, 87Mar 28, 89[C10G]
4702891 Fluid flow distribution system for fluidized bed reactorExpiredMay 03, 85Oct 27, 87[B01J]
4510037 Hydrogenation process for solid carbonaceous feed materials using thermal countercurrent flow reaction zoneExpiredDec 23, 83Apr 09, 85[C10G]
4495055 Coal catalytic hydrogenation process using direct coal slurry feed to reactor with controlled mixing conditionsExpiredJan 26, 84Jan 22, 85[C10G]
4470900 Solids precipitation and polymerization of asphaltenes in coal-derived liquidsExpiredMay 12, 80Sep 11, 84[C10G, B01D]
4454240 Catalyst regeneration process including metal contaminants removalExpiredNov 02, 81Jun 12, 84[B01J, C10G, C01G]
4443330 Catalyst activity in coal liquid upgradingExpiredJun 01, 81Apr 17, 84[C10G]
4437973 Coal hydrogenation process with direct coal feed and improved residuum conversionExpiredApr 05, 82Mar 20, 84[C10G]
4424109 Catalyst for coal liquefaction processExpiredApr 07, 81Jan 03, 84[C10G]
4404084 Coal hydrogenation and deashing in ebullated bed catalytic reactorExpiredMar 11, 82Sep 13, 83[C10G]
4400263 H-Coal process and plant designExpiredFeb 09, 81Aug 23, 83[C10G]
4398852 Process and apparatus for adding and removing particles from pressurized reactorsExpiredFeb 17, 81Aug 16, 83[B65G]
4381986 Cooling and solidification of heavy hydrocarbon liquid streamsExpiredJul 27, 81May 03, 83[C10C]
4315824 Filtration of coal-derived liquids containing particulate solidsExpiredJun 03, 80Feb 16, 82[B01D]

View all patents..

Top Inventors for This Owner

Upgrade to the Professional Level to View Top Inventors for this Owner. Learn More

We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to -1 comparisons!

We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level. Upgrade to our Level for up to -1 portfolios!.