Kronos, Inc.
Patent Owner
Stats
- 5 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Jun 04, 2002 most recent publication
Details
- 5 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 276 Total Citation Count
- Apr 10, 1978 Earliest Filing
- 25 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
Rank in Class
Top Patents (by citation)
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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]
Expired/Abandoned/Withdrawn Patents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]
5298169 Treatment of waste sulfuric acid by gypsum precipitation in a titanium dioxide processExpiredAug 21, 92Mar 29, 94[C02F]
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]
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]
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