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Class Information
Number: 568/26
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Sulfur containing > Sulfur bonded directly to sulfur (e.g., disulfides, etc.) > Preparing by reacting a thiol or mercaptide (i.e., reactant contains -sh or -sm where m is a group ia or iia light metal)
Description: Processes wherein the compound is prepared by reacting a compound containing a -SH or -SM group where M is a Group IA or IIA metal having a specific gravity less than four.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7381847 |
Methyl mercaptan to olefins |
Jun. 3, 2008 |
| 7332145 |
Process and installation for the treatment of DSO |
Feb. 19, 2008 |
| 7026372 |
Enic compounds, sulfur-containing polyenic compound, sulfur-containing polythiol compound, high refractive index photocurable composition and cured product thereof |
Apr. 11, 2006 |
| 6756497 |
Benzoic acid derivatives and processes for the preparation thereof |
Jun. 29, 2004 |
| 6686506 |
Process for the preparation of organic disulfides |
Feb. 3, 2004 |
| 6646165 |
Process for producing bishalophenyl disulfide |
Nov. 11, 2003 |
| 6518459 |
Process and apparatus for producing organic polysulfides |
Feb. 11, 2003 |
| 6399832 |
Process for producing organic trisulfides |
Jun. 4, 2002 |
| 6310114 |
Method of preparing compact or cellular polyurethane elastomers and isocyanate prepolymers suitable therefor |
Oct. 30, 2001 |
| 6294699 |
Oxidation of mercaptans to organic disulfides |
Sep. 25, 2001 |
| 6284926 |
Process and apparatus for producing organic polysulfides |
Sep. 4, 2001 |
| 6242652 |
Process for producing organic trisulfides |
Jun. 5, 2001 |
| 6235941 |
Process for production of organic disulfides |
May. 22, 2001 |
| 6218578 |
Polymeric film |
Apr. 17, 2001 |
| 6187960 |
Process for producing organic polysulfide compounds |
Feb. 13, 2001 |
| 6169210 |
Method for producing dialkyl disulfides |
Jan. 2, 2001 |
| 6133481 |
Isocyanate compositions for low density polyurethane foam |
Oct. 17, 2000 |
| 6114537 |
Process for scavenging thiols |
Sep. 5, 2000 |
| 6054621 |
Alkoxyacrylic acid thiol esters used as fungicides |
Apr. 25, 2000 |
| 6051739 |
Process for producing organic polysulfides |
Apr. 18, 2000 |
| 6020529 |
Synthesis of organic disulphides and polysulphides |
Feb. 1, 2000 |
| 5998670 |
Method of making high purity substituted diphenyldisulfides |
Dec. 7, 1999 |
| 5986143 |
Method of producing bis(4-alkylthiophenyl) disulfides |
Nov. 16, 1999 |
| 5922902 |
Process for making mesna, dimesna and derivatives thereof |
Jul. 13, 1999 |
| 5861539 |
Catalyst and process for producing organic polysulfide |
Jan. 19, 1999 |
| 5808140 |
Process for making mesna, dimesna and derivatives thereof |
Sep. 15, 1998 |
| 5786511 |
Process for the preparation of organic disulphides and polysulphides in the presence of polystyrene-divinyl-benzene possessing primary amine groups |
Jul. 28, 1998 |
| 5767229 |
Process for the preparation of organic disulphides and polysulphides in the presence of polystyrene-divinyl-benzene (PS-DVB) resins possessing guanidine or amidine groups |
Jun. 16, 1998 |
| 5659086 |
Production of organic disulfides |
Aug. 19, 1997 |
| 5565517 |
Synthesis of organic polysulfide polymers |
Oct. 15, 1996 |
| 5530163 |
Process for producing organic polysulfide compounds |
Jun. 25, 1996 |
| 5463042 |
Polyaryl-metallic complex intercalated layered double hydroxides |
Oct. 31, 1995 |
| 5442123 |
Process for selectively preparing organic trisulfides |
Aug. 15, 1995 |
| 5312993 |
Process for the manufacture of dimethyl disulphide |
May. 17, 1994 |
| 5294743 |
Process for the transfer of alkyl groups in dialkyl trisulfides and mercaptans |
Mar. 15, 1994 |
| 5250737 |
Process for hydrocarbyl trisulfide product |
Oct. 5, 1993 |
| 5232623 |
Catalyst and process for producing organic polysulfide |
Aug. 3, 1993 |
| 5206439 |
Preparation of high purity polysulfides |
Apr. 27, 1993 |
| 5202494 |
Continuous process for the production of disulfides |
Apr. 13, 1993 |
| 5155275 |
Preparation of high purity polysulfides |
Oct. 13, 1992 |
| 5146000 |
Production of dihydrocarbyl polysulfides |
Sep. 8, 1992 |
| 5133889 |
Polysulfurized olefin compositions, their preparation and use as additives in lubricants |
Jul. 28, 1992 |
| 5068408 |
Hypochlorous acid as a reagent for the oxidation of organic compounds in two phase systems |
Nov. 26, 1991 |
| 5068445 |
Process for the preparation of organic disulphides and polysulphides |
Nov. 26, 1991 |
| 5062977 |
Sulphur-containing additives to lubricants with antiwear and extreme-pressure effect and the processes for their preparation and compositions containing the said additives |
Nov. 5, 1991 |
| 5045221 |
Polysulphurized olefin compositions, their preparation and their use as additives for lubricants |
Sep. 3, 1991 |
| 5026915 |
Process for the manufacture of dialkyl disulfides |
Jun. 25, 1991 |
| 5011956 |
Polymer latexes containing metal ions and complexes |
Apr. 30, 1991 |
| 5001269 |
Process for the production of lower dialkyl disulphides |
Mar. 19, 1991 |
| 4990675 |
Process for the production of disulfides |
Feb. 5, 1991 |
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