| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 568061000 | Thiol or mercaptide containing (i.e., -SH or -SM containing where M is a Group IA or IIA light metal) | 20 |
| 20080242894 | Graded Catalyst Bed for Methyl Mercaptan Synthesis - A process and graded catalyst bed for selectively producing methyl mercaptan from methanol. The methanol is reacted with hydrogen sulfide, in the presence of a graded catalyst bed containing at least three types of nickel or cobalt molybdenum alumina catalysts to convert the methanol to methyl mercaptan in one-pass. At least one of the hydrotreating catalysts can contain aluminium phosphate. Use of the graded catalyst bed prevents the formation of a hot spot within the graded catalyst bed. The methyl mercaptan having less than about 30 wt. % unreacted methanol contained therein. | 10-02-2008 |
| 20140357897 | CATALYST FOR THE SYNTHESIS OF ALKYL MERCAPTANS AND PROCESS FOR PRODUCING IT - The present invention relates to a catalyst which comprises a support material and an oxidic composition containing at least one alkali metal and tungsten, a process for producing such catalysts and also a process for preparing alkyl mercaptans by reaction of alkanols with hydrogen sulphide in the presence of such a catalyst. | 12-04-2014 |
| 568062000 | Oxygen containing | 3 |
| 20090259075 | Method for Producing 4-(Methylthio)Butane-1,2-Diol - A method for producing 4-(methylthio)butane-1,2-diol which comprises reacting 3-butene-1,2-diol with methanethiol in the presence of at least one nitrogen-containing compound selected from a nitrogen-containing aromatic compound and a tertiary amine compound and a carboxylic acid compound. | 10-15-2009 |
| 20140330043 | HEXAFLUORODIMETHYLCARBINOL TERMINATED ALKANE- AND ALKENETHIOLS - A hexafluorodimethylcarbinol terminated compound, method of making it, and a composition of matter are disclosed. The compound may have the formula (CF | 11-06-2014 |
| 568063000 | Carbonyl containing (e.g., ketone containing, etc.) | 1 |
| 20140005437 | INTEGRATED PROCESS FOR PREPARING ACROLEIN AND 3-METHYLMERCAPTOPROPIONALDEHYDE | 01-02-2014 |
| 568066000 | Polythiol | 2 |
| 20110040126 | NOVEL MERCAPTAN-BASED CORROSION INHIBITORS - Corrosion of both ferrous and non-ferrous metals, induced by a variety of corrosive aqueous-based environments, may be inhibited or controlled through use of corrosion inhibiting compositions comprising at least one member of certain formula-specified categories of mercaptan-based compounds. Where the compounds are appropriately selected, and particularly at low inhibitor concentrations, the compositions may inhibit corrosion to a degree that is comparable to or significantly greater than the inhibition provided by an equal amount of certain other corrosion inhibitor compounds. It is emphasized that this abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims. | 02-17-2011 |
| 20160075646 | THIOLATION METHOD FOR MODIFYING CARBON NANOTUBES - A thiolation method for modifying carbon nanotubes includes steps as follows. A carboxylation step is provided, wherein the carbon nanotubes are reacted with an oxidant for generating carboxyl groups on surfaces of the carbon nanotubes so as to form carboxylated carbon nanotubes. A hydroxylation step is provided, wherein the carboxyl groups are transformed into hydroxyl groups so as to transform the carboxylated carbon nanotubes into hydroxylated carbon nanotubes. A thiolation step is provided, wherein the hydroxylated carbon nanotubes, a sulfur source and a first acidic substance are mixed and then stirred so as to form a first mixture, the first mixture is added portion-wisely into an alkaline solution so as to form a second mixture, and the second mixture is acidified so as to form an acidified solution having a pH value ranging from 2 to 3, thus the hydroxylated carbon nanotubes are transformed into thiolated carbon nanotubes. | 03-17-2016 |
| 568067000 | Benzene ring containing | 1 |
| 20100010267 | ADDITION OF H2S TO TERPENES FOR PRODUCING NOVEL MOLAR MASS REGULATORS FOR RADICAL POLYMERISATIONS - The present invention relates to a method for producing thiols through addition of hydrogen sulfide onto at least one unsaturated terpene, where the reaction is carried out in the presence of at least one organic ion exchanger, and to the use of thiols derived from terpinolene as molar mass regulator in the polymerization of monomers. | 01-14-2010 |
| 568069000 | Acyclic | 12 |
| 20110213184 | Hydrogenation Catalyst, Particularly for Carbon Disulphide - The present invention relates to a hydrogenation catalyst, particularly useful for the hydrogenation of carbon disulphide (CS | 09-01-2011 |
| 20140142342 | LIQUID-LIQUID EXTRACTION COLUMN CONTAINING TWO DISTINCT TYPES OF PLATES - The present invention describes a liquid-liquid extraction column with perforated plates and downpipes, having a majority of so-called “open” plates and a minority of so-called “closed” plates, the two types of plates differing in the degree of perforation. Application of the said column to the treatment of liquid-liquid systems with time-variable coalescence. | 05-22-2014 |
| 20190144381 | COPPER PROTECTIVE AGENT | 05-16-2019 |
| 568070000 | Preparing by reacting hydrogen sulfide or a metal hydrosulfide | 9 |
| 20080200730 | PROCESS FOR PREPARING METHYL MERCAPTAN FROM DIALKYL SULPHIDES AND DIALKYL POLYSULPHIDES - A process for continuously preparing methyl mercaptan by reacting a reactant mixture which contains a dialkyl sulphide and a dialkyl polysulphide with hydrogen sulphide to give methyl mercaptan. | 08-21-2008 |
| 20080262270 | CATALYST FOR THE PREPARATION OF METHYL MERCAPTAN - The present invention refers to a catalyst for the manufacture of methyl mercaptan from carbon oxides comprising Mo and K compounds and oxides or sulfides of metals chosen from the manganese group. The improvement of the present process consists of the fact that carbon dioxide can be converted with higher conversions and selectivities to methyl mercaptan as compared to state-of-the-art technologies, with only minor amounts of carbon monoxide being formed as side product. Simultaneously, carbon monoxide can be easily converted into carbon dioxide and hydrogen by reaction with water using established water-gas-shift-technologies thus increasing the overall selectivity to methyl mercaptan. | 10-23-2008 |
| 20080293974 | PROCESS FOR CONTINUOUSLY PREPARING METHYL MERCAPTAN FROM CARBON- AND HYDROGEN-CONTAINING COMPOUNDS - Provided is a process for continuously preparing methyl mercaptan by reacting a reactant mixture comprising solid, liquid and/or gaseous carbon- and/or hydrogen-containing compounds with air or oxygen, and/or water and sulfur. | 11-27-2008 |
| 20100094059 | MO CONTAINING CATALYST, A PREPARATION METHOD AND A METHOD FOR PREPARING METHYL MERCAPTAN - A method is described to prepare a Mo containing supported catalyst comprising TeO | 04-15-2010 |
| 20100286448 | SUPPORTED MO-O-K-MExOy CATALYST FOR THE SYNTHESIS OF METHANETHIOL FROM HIGH H2S-CONTAINING SYNGAS - This invention is related to a preparation method of a supported catalyst Mo—O—K-Me | 11-11-2010 |
| 568071000 | And an organic hydroxy containing reactant (H of -OH may be replaced by a Group IA or IIA light metal) | 4 |
| 20090054691 | PROCESS FOR PREPARING METHYL MERCAPTAN - The present invention relates to a process for continuously preparing methyl mercaptan from hydrogen sulphide and methanol in a direct connection with the preparation of hydrogen sulphide. | 02-26-2009 |
| 20090306432 | CATALYST FOR THE SYNTHESIS OF ALKYL MERCAPTAN AND PROCESS FOR THE PRODUCTION THEREOF - The invention relates to an oxidic catalyst containing cesium and tungsten for the synthesis of alkyl mercaptans from alkanols and hydrogen sulfide, and to a process for the production of this catalyst, wherein the molar ratio of cesium to tungsten is <2:1. | 12-10-2009 |
| 20110015443 | PROCESS FOR CONTINUOUSLY PREPARING METHYL MERCAPTAN FROM CARBON COMPOUNDS, SULFUR AND HYDROGEN - The invention relates to a process for continuously preparing methyl mercaptan by reacting a mixture comprising carbon compounds with sulfur and hydrogen, wherein the carbon disulfide and hydrogen sulfide compounds which form are subsequently converted to methyl mercaptan. | 01-20-2011 |
| 20160176808 | PROCESS FOR THE PREPARATION OF ALKYL MERCAPTANS | 06-23-2016 |
