STERLING PULP CHEMICALS, LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C25B ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON- METALS; APPARATUS THEREFOR 629
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF376
 
  
 
B08B CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL 256
 
  
 
B01D SEPARATION 1133
 
  
 
B05B SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES 163
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 154

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7407641 Method for generating chlorine dioxideOct 28, 04Aug 05, 08[C01B]
6972121 Advanced control strategies for chlorine dioxide generating processesMar 14, 01Dec 06, 05[C01B]
6740223 Electrolytic process for the production of chlorine dioxideJun 19, 02May 25, 04[C25B]
6203688 Electrolytic process for producing chlorine dioxideOct 16, 98Mar 20, 01[C25B]
5965004 Chlorine dioxide generation for water treatmentOct 28, 97Oct 12, 99[C25B]
5932085 Chlorine dioxide generation for water treatmentMar 13, 96Aug 03, 99[C02F]
5681446 Impurity removal for sodium chlorateAug 30, 95Oct 28, 97[C25B]
5480516 Electrolytic production of acidMay 12, 93Jan 02, 96[C25B]
5222512 Sparger system for discharge of bulk material from hopper carsFeb 13, 92Jun 29, 93[B08B]
5198080 Electrochemical processing of aqueous solutionsApr 19, 91Mar 30, 93[C25B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6967010 Chlorine dioxide generatorExpiredFeb 21, 01Nov 22, 05[C01B, B05B]
2003/0143,111 Methods of using chlorine dioxide as a fumigantAbandonedNov 30, 01Jul 31, 03[A62B, A61L]
2002/0195,772 Family tree trivia gameAbandonedOct 16, 01Dec 26, 02[A63F]
5122240 Electrochemical processing of aqueous solutionsExpiredJun 08, 90Jun 16, 92[C25B]
5013530 Sparger system for discharge of bulk material from hopper carsExpiredJan 09, 90May 07, 91[B01F]
5002615 Sparger system for discharge of bulk material from hopper carsExpiredJun 13, 88Mar 26, 91[B05B, B08B]
4834848 Electrical removal of chromium from chlorate solutionsExpiredFeb 01, 88May 30, 89[C25C]
4773974 Production of hexavalent chromium for use in chlorate cellsExpiredOct 29, 86Sep 27, 88[C25B]
4773975 Electrochemical removal of hypochlorites from chlorate cell liquorsExpiredOct 29, 86Sep 27, 88[C25B]
4704259 Removal of chromium from cell liquorExpiredMay 27, 86Nov 03, 87[C01G]
4699701 Electrochemical removal of chromium from chlorate solutionsExpiredOct 29, 86Oct 13, 87[C25F]
4414088 Chlorate cell systemExpiredSep 21, 81Nov 08, 83[C25B]
4194953 Process for producing chlorate and chlorate cell constructionExpiredFeb 16, 79Mar 25, 80[C25B]
4194961 Electrode spacer elementExpiredFeb 16, 79Mar 25, 80[C25B]

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