TIOXIDE GROUP SERVICES LIMITED

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C01G COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F 336
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF178
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 154
 
  
 
C08C TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS121
 
  
 
C08J WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER- TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C C08F, C08G or C08H 177
 
  
 
C08K USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS 1101
 
  
 
C09C TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES 129
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1205

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6721055 Particle dispersion determinatorDec 14, 01Apr 13, 04[G01N]
6511646 Treatment of iron chloride from chlorination dustJan 12, 01Jan 28, 03[C01B, C01G]
6245240 Treatment of a solution containing iron saltsNov 15, 99Jun 12, 01[C01G, C02F]
5837049 Treated inorganic solidsOct 23, 97Nov 17, 98[C08J, C08C, C08K]
5599519 Oxidation of titanium tetrachloride to form titanium dioxideMar 27, 95Feb 04, 97[C01G]
5509960 Composite pigmentary materialMay 12, 93Apr 23, 96[C09C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6548038 Process for the concentration of dilute sulphuric acid solutionsExpiredJan 29, 01Apr 15, 03[C01B]
6090354 Process for the production of titanium oxideExpiredMar 24, 97Jul 18, 00[C01G]
5952404 Gloss emulsion paintsExpiredDec 19, 95Sep 14, 99[C08L]
5910213 Treated titanium dioxideExpiredJul 31, 97Jun 08, 99[C09C]
5869559 Composite pigmentary materialExpiredFeb 03, 97Feb 09, 99[C08K]
5785748 Titanium dioxide pigmentsExpiredJun 27, 96Jul 28, 98[C09C]
5672201 Composite pigmentary materialExpiredMar 05, 96Sep 30, 97[C04B]
5643974 Composite pigmentary materialExpiredFeb 06, 96Jul 01, 97[C09C, C08K]
5630995 Preparation of anatase titanium dioxideExpiredJan 17, 96May 20, 97[C01G]
5623883 Kiln for calcination of a powderExpiredMar 20, 95Apr 29, 97[B23K, B44B]
5622628 Titanium dioxide slurries concentrationExpiredDec 05, 94Apr 22, 97[B01D]
5431956 Coated inorganic particlesExpiredJun 17, 94Jul 11, 95[B05D]
5421524 Method of millingExpiredDec 02, 93Jun 06, 95[B02C]
5376351 Process for preparing calcium sulphateExpiredJun 28, 93Dec 27, 94[C09C, C01F]
5338354 Composite pigmentary materialExpiredJun 23, 93Aug 16, 94[C09C]
5336521 Metallic oxidesExpiredNov 03, 92Aug 09, 94[B05D]
5320675 Stabilized metal oxidesExpiredSep 17, 92Jun 14, 94[B05D, C04B, C08K]
5308458 Destruction processExpiredJan 27, 92May 03, 94[C07B]
5288320 Oxides and the production thereofExpiredDec 30, 91Feb 22, 94[C09C]
5286276 Quenching system to prevent loss of fluidity in a reaction vesselExpiredSep 04, 92Feb 15, 94[C21D]

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