Solvay Minerals, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C01D COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM 510
 
  
 
C22B PRODUCTION OR REFINING OF METALS 325
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 154
 
  
 
D21C PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE- CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR127

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6270555 Process for treating precious metal oresJul 28, 00Aug 07, 01[C22B]
5989505 Method for recovery of alkali values from trona using air strippingMar 18, 96Nov 23, 99[C22B, C01D]
5976485 Sodium metabisulfite processMay 18, 98Nov 02, 99[C01D]
5882476 Deinking printed wastepaper using alkaline solution containing sodium sulfite and sodium carbonateMay 05, 95Mar 16, 99[D21C]
5753200 Sodium metabisulfite processOct 07, 96May 19, 98[C01D]
5624647 Method for recovery of alkali values from trona using two-stage leachingMay 10, 95Apr 29, 97[C22B, C01D]
5618504 Method for recovery of alkali values from trona using sequential crystallizationMay 10, 95Apr 08, 97[C01D]
5575922 Method for treating mine water using caustic sodaJun 30, 95Nov 19, 96[C02F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5759507 Process for production of dense soda ash from soda ash finesExpiredDec 19, 96Jun 02, 98[C01D]

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