Kronos, Inc.

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

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 237
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 154
 
  
 
C09D COATING COMPOSITIONS, e.g. PAINTS, VARNISHES, LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR 191
 
  
 
C22B PRODUCTION OR REFINING OF METALS 127

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

Patent # Title Filing Date Issue Date Intl Class
5407650 Process for purifying a technical iron chloride solution by selective precipitationDec 21, 93Apr 18, 95[C22B]
5334362 Process for the production of disposable products from metal chlorides in a titanium dioxide chloride processSep 23, 92Aug 02, 94[C01G]
5282977 Separation of heavy metals from waste water of the titanium dioxide industrySep 24, 92Feb 01, 94[C02F]
5248497 Production of purified iron chloride by a vacuum process in the manufacture of titanium dioxideAug 07, 92Sep 28, 93[C01G]
5215580 Process for the production of a fine particle titanium dioxideFeb 06, 92Jun 01, 93[C09D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6399033 Process for increasing the yield in the manufacture of titanium dioxide by the chloride processExpiredNov 03, 95Jun 04, 02[C22B]
5942201 Process utilizing titanium dioxide as a catalyst for the hydrolysis of carbonyl sulfideExpiredFeb 01, 93Aug 24, 99[C01B, B01J, C01G]
5861099 Process for the filtration of suspensions containing sulfurExpiredJan 31, 94Jan 19, 99[C02F]
5683669 Metal chloride generator and improved process for the production of metal chlorides used in the manufacture of titanium dioxide by the chloride processExpiredMar 26, 96Nov 04, 97[C01B]
5540907 Process for preparing high solids content titanium dioxide suspension with a dechlorinating agentExpiredJan 30, 95Jul 30, 96[C01G]
5536487 Process for the use of rutile promoter and control additives in the manufacture of titanium dioxide by the chloride processExpiredFeb 27, 95Jul 16, 96[C01G]
5451252 Subpigmentary titanium dioxide with improved photostabilityExpiredNov 03, 94Sep 19, 95[C09C, C01G]
5409679 Process for the production of titanium dioxideExpiredJul 05, 90Apr 25, 95[C01B, C01G]
5393510 High solids content titanium dioxide suspensionExpiredJul 12, 93Feb 28, 95[C09C, C01G]
5298169 Treatment of waste sulfuric acid by gypsum precipitation in a titanium dioxide processExpiredAug 21, 92Mar 29, 94[C02F]
5196181 Process for the production of titanium dioxideExpiredNov 07, 90Mar 23, 93[C01G]
5073355 Process for the removal of chlorine from off-gasesExpiredJul 05, 90Dec 17, 91[C01B, C01G]
4818969 Method of fixed-length binary encoding and decoding and apparatus for sameExpiredApr 26, 88Apr 04, 89[H03M]
4567357 Method of and apparatus for automatic line identification for recording on employee time cards and the likeExpiredMay 06, 83Jan 28, 86[G06K]
4524266 Method of and apparatus for discriminating between various types of check-out periods in employee time-recording systems and the likeExpiredSep 13, 82Jun 18, 85[G06K]
4364908 Method for purifying titanyl hydrateExpiredJul 24, 81Dec 21, 82[C01G]
4361092 Process and apparatus for time card preparation and utilization and the likeExpiredDec 12, 80Nov 30, 82[G06C]
4288415 Process for manufacturing titanium compounds using a reducing agentExpiredMay 30, 80Sep 08, 81[C01G]
4288416 Process for manufacturing titanium compoundsExpiredMay 30, 80Sep 08, 81[C01G]
4288417 Process for manufacturing titanium dioxideExpiredOct 29, 80Sep 08, 81[C01G]

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!.