SACHEM, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01D SEPARATION 10124
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 649
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 5133
 
  
 
C25B ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON- METALS; APPARATUS THEREFOR 530
 
  
 
C11D DETERGENT COMPOSITIONS 461
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF376
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 3359
 
  
 
C01G COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F 237
 
  
 
C07D HETEROCYCLIC COMPOUNDS 2160
 
  
 
C09K MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR293

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0338,060 ELECTROLYTIC COMPOSITIONS FOR ELECTRIC ENERGY STORAGE AND GENERATION DEVICESNov 03, 15Nov 23, 17[H01G]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9650595 Quaternary ammonium hydroxidesJul 24, 15May 16, 17[C07D, C07C, C11D]
9634318 Oxide shell formation on inorganic substrates via lithium polyoxoanion salt depositionMar 12, 13Apr 25, 17[H01L, H01M]
9634321 Oxide shell formation on inorganic substrate via oxidative polyoxoanion salt depositionMar 12, 13Apr 25, 17[C23C, C01B, H01M, C01F]
9120846 Neutral zwitterionic displacer molecules for hydrophobic displacement chromatographyOct 03, 12Sep 01, 15[A61K, C07K, B01D]
9115050 Process for improved recovery of onium hydroxide from compositions containing process residuesDec 30, 13Aug 25, 15[C07C]
9090859 Quaternary ammonium hydroxidesMar 27, 12Jul 28, 15[C07C, C11D]
8496835 Anion-exchange displacement chromatography process and anionic organic compounds for use as displacer compounds in anion-exchange displacement chromatography processNov 30, 06Jul 30, 13[G01N, C02F, B01D]
8361779 Buffer compoundsNov 24, 10Jan 29, 13[C12N, C07D]
7994062 Selective silicon etch processOct 30, 09Aug 09, 11[H01L]
7976638 High negative zeta potential polyhedral silsesquioxane composition and method for damage free semiconductor wet cleanNov 12, 08Jul 12, 11[C23G, C11D, C25F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0296,485 ANIONIC DISPLACER MOLECULES FOR HYDROPHOBIC DISPLACEMENT CHROMATOGRAPHYAbandonedOct 03, 12Oct 02, 14[B01D]
2014/0284,278 CATIONIC DISPLACER MOLECULES FOR HYDROPHOBIC DISPLACEMENT CHROMATOGRAPHYAbandonedOct 03, 12Sep 25, 14[B01D]
7750166 Ionic liquids containing a sulfonate anionExpiredAug 15, 03Jul 06, 10[C07D, C07C]
2009/0200,513 Ionic Liquids Containing a Sulfonate AnionAbandonedMar 13, 09Aug 13, 09[C09K]
2008/0210,900 Selective Wet Etchings Of OxidesAbandonedApr 25, 06Sep 04, 08[C09K, C03C]
2008/0116,170 SELECTIVE METAL WET ETCH COMPOSITION AND PROCESSAbandonedNov 19, 07May 22, 08[C09K, C23F]
2006/0226,122 Selective wet etching of metal nitridesAbandonedMar 23, 06Oct 12, 06[C09K, H01L, B44C]
2004/0092,102 Chemical mechanical polishing composition and methodAbandonedNov 12, 02May 13, 04[C09K, H01L]
2004/0007,693 Ionic liquids containing borate or phosphate anionsAbandonedJul 03, 02Jan 15, 04[C07F, C23G, B01F]
6235162 Ultrapure hydroxylamine compound solutions and process of making sameExpiredMay 28, 98May 22, 01[C01B, B01D]
5951845 Process for recovering organic hydroxides from waste solutionsExpiredMar 04, 97Sep 14, 99[C02F]
5904823 Methods of purifying hydroxylamine solutions and converting hydroxylamine salts to hydroxylamineExpiredApr 10, 97May 18, 99[C25B]
5853555 Synthesis of onium hydroxides from onium saltsExpiredApr 03, 97Dec 29, 98[B01D]
5843318 Methods of purifying hydroxlamine solutions and separating hydroxylamine from hydroxlamine saltsExpiredApr 10, 97Dec 01, 98[B01D]
5709789 Electrochemical conversion of nitrogen containing gas to hydroxylamine and hydroxylammonium saltsExpiredOct 23, 96Jan 20, 98[C25B, B01D]
5575901 Process for preparing organic and inorganic hydroxides or alkoxides or ammonia or organic amines from the corresponding salts by electrolysisExpiredJan 31, 95Nov 19, 96[C02F, B01D]
5447610 Electrolytic conversion of nitrogen oxides to hydroxylamine and hydroxylammonium saltsExpiredJun 23, 94Sep 05, 95[C25B]
5286354 Method for preparing organic and inorganic hydroxides and alkoxides by electrolysisExpiredApr 09, 93Feb 15, 94[C25B]
5259934 Process for removing acid from a hydroxylamine salt solution containing excess acidExpiredJan 22, 92Nov 09, 93[C25B]
4938854 Method for purifying quaternary ammonium hydroxidesExpiredNov 28, 88Jul 03, 90[C25F]

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