MINTEQ INTERNATIONAL INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B05B SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES 163
 
  
 
C04B LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS 167
 
  
 
C09B ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES; MORDANTS; LAKES 142

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5366944 Vibratable refractory compositionsAug 27, 93Nov 22, 94[C04B]
5178329 Remote controlled refractory gunning apparatusMar 28, 91Jan 12, 93[B05B]
5124288 Refractory material containing calcium carbonate-stabilized synthetic dolomiteAug 15, 91Jun 23, 92[C09B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5602063 Lightweight sprayable tundish lining compositionExpiredMar 30, 95Feb 11, 97[C04B]
5423521 Ceramic plug gas distribution deviceExpiredMay 19, 92Jun 13, 95[B22D]
5302563 Sprayable refractory compositionExpiredMar 06, 92Apr 12, 94[C04B]
5284808 Dry refractory compositionExpiredMay 04, 92Feb 08, 94[C04B]
5073525 Lightweight tundish refractory compositionExpiredOct 23, 89Dec 17, 91[C04B]
4860422 Rebuilding of the stack, bosh and hearth of a blast furnace using a remote controlled refractory gunning deviceExpiredOct 01, 87Aug 29, 89[C21B]
4801096 Automatic gunning apparatus with detachably mounted gunning pipeExpiredApr 01, 87Jan 31, 89[B05B]
4588700 Coating to prevent the oxidation of electrodes during electric furnace steel makingExpiredJul 02, 84May 13, 86[C03C, C05C, C04B]
4544472 Electrode coating and coated electrodesExpiredMar 11, 85Oct 01, 85[C25B]
4487804 Coating to prevent the oxidation of electrodes during electric furnace steel makingExpiredAug 02, 82Dec 11, 84[H01J, B32B]
4477579 Electrode coating and coated electrodesExpiredApr 14, 83Oct 16, 84[C04B]
4451293 Slag-forming agent and process for producing the agentExpiredApr 23, 82May 29, 84[C22B]
4339542 Plastic ramming mix based on MGOExpiredAug 24, 81Jul 13, 82[C04B]
4324862 Basic (MgO) non-aqueous plastic refractory mixtureExpiredFeb 13, 81Apr 13, 82[C04B]
4309020 Patchless replacement refractory insert for base member (stool) with mechanical anchoringExpiredJul 31, 80Jan 05, 82[B22D]
4307197 Refractory insulating veneerExpiredMay 15, 80Dec 22, 81[C04B]
4303700 Sprayable material for repairing base plates of ingot moldsExpiredSep 02, 80Dec 01, 81[B26D]
4301998 Vertical gunning apparatus with television monitorExpiredApr 25, 80Nov 24, 81[C21B]
4226625 Insulating tundish veneer composition useful in casting steelExpiredJun 04, 79Oct 07, 80[C04B]
4212680 Thixotropic refractory binder based upon aluminum phosphate gelled silica solsExpiredApr 30, 79Jul 15, 80[C03C, B01J]

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