|
Match
|
Document |
Document Title |
|
|
7622613 |
Thiol compound and photosensitive composition using the same
The present invention relates to a thiol compound represented by formula (1): wherein R 1 , R 2 and n have the same meanings as in the specification, method for producing the compound, and to a...
|
|
|
7619121 |
Method for isolating a thiol
A method of detecting a member of the taxa actinomycetes is provided. A method also is provided for detecting mycothiol or precursor thereof. An antibody is provided when binds to mycothiol or a...
|
|
|
7582800 |
Process for preparing alkyl mercaptans in a multizone fixed bed reactor
The invention relates to a process for preparing alkyl mercaptans by catalytic gas phase reaction of alkanols and hydrogen sulphide over alkali metal tungstates, the reaction being performed in at...
|
|
|
7250526 |
Transfer hydrogenation process and catalyst
A catalytic transfer hydrogenation process is provided. The catalyst employed in the process is a metal hydrocarbyl complex which is coordinated to defined bidentate ligands substituted with at...
|
|
|
7250510 |
Transition metal complexes of N-heterocyclic carbenes, method of preparation and use in transition metal catalyzed organic transformations
The present invention relates to catalysts of transition metal complexes of N-heterocyclic carbenes, their methods of preparation and their use in chemical synthesis. The synthesis, ease-of-use,...
|
|
|
7235697 |
Use of H2S-containing offgas streams for preparing sulfur-containing products
The present invention relates to a process for preparing sulfur-containing compounds of the general formula I
in which Q, R 1 and R 2 are each independently defined as follows:
Q: —S— or...
|
|
|
7217843 |
Method of making 2-thiols
A process for selectively making 2-thiols from alpha olefins is described. The process includes contacting a linear or branched alpha olefin having with H 2 S in the presence of a catalyst and...
|
|
|
7173156 |
Thioacetate deprotection
A method of thioacetate deprotection by providing a compound of the formula R 1 —S—CO—R 2 , and reacting the compound with a quaternary ammonium cyanide salt in the presence of a protic...
|
|
|
7053173 |
Polymercaptopolyphenyl and process for preparation thereof
Novel di-, tri-, or tetra-thiols or thiolates of biphenyl, biphenyl derivatives, terphenyl or terphenyl derivatives, as represented by general formula (A), wherein M 1 and M 2 are each...
|
|
|
6894194 |
Production of dithiodiglycol
In a process to make dithiodiglycol by oxidation of β-mercaptoethanol with sulfur, an improved product is recovered when a 1-10 mol % excess of β-mercaptoethanol is used and hydrogen sulfide is...
|
|
|
6803406 |
Electron donors, electron acceptors and adhesion promoters containing disulfide
Disclosed are compounds comprising both disulfide functionality and electron donor functionality or alkoxy siloxane functionality, and curable compositions comprising compounds comprising both...
|
|
|
6562988 |
Methods and products relating to 16-HETE analogs
The present invention includes 16-HETE analogs which are agonists and antagonists of 16-HETE. The compositions may be formulated in pharmaceutically acceptable formulations. The invention also...
|
|
|
6545188 |
Transfer hydrogenation process and catalyst
A catalytic transfer hydrogenation process is provided. The catalyst employed in the process is a metal cyclopentadienyl complex which is coordinated to defined bidentate ligands. Preferred metals...
|
|
|
6379590 |
Method for making unsymmetrically substituted fluorenyl compounds for nonlinear optical applications
A new method for producing unsymmetrically substituted fluorenyl compounds, one step of which is the preparation of 2,7-disubstituted fluoren-9-one derivatives via the nucleophilic substitution of...
|
|
|
6376716 |
Process for the preparation of aromatic sulfur compounds
A process for the preparation of an aromatic thiophenol represented by the formula (I): Y n —Ar—(SH) m (I), wherein Ar represents an aromatic hydrocarbon; Y represents at least one substituent...
|
|
|
6365676 |
Poly-perfluoroalkyl substituted polyamines as grease proofing agents for paper and foam stabilizers in aqueous fire-fighting foams
The invention concerns a process for the reaction of a perfluoroalkyl iodide of the formula CF 3 (CF 2 ) h —I, where h is an integer from 4 to 18, with a compound having a terminal olefinic...
|
|
|
6359046 |
Hydrocarbon core polysulfide silane coupling agents for filled elastomer compositions
The present invention discloses novel hydrocarbon core polysulfide silanes and methods of preparing the hydrocarbon core polysulfide silanes. Preferably, the silanes of the present invention...
|
|
|
6268455 |
Mercaptomethylphenyl group-containing diorganopolysiloxane and production process for the same
Provided is a novel mercaptomethylphenyl group-containing diorganopolysiloxane compound represented by the following Formula (1): ##STR1## wherein R 1 represents methyl or phenyl; R 2 represents...
|
|
|
6265476 |
Radiation-curable binder compositions having high elongation and toughness after cure
Radiation-curable compositions, having high elongation at break and toughness after cure can include the following pre-mixture components: a) a polymer, oligomer or monomer having at least one...
|
|
|
6248687 |
Process for presulfurizing a desulfurization catalyst used in a hydrodesulfurization unit of petroleum refinery and presulfurization promoter
Presulfurizing process and presulfurization promoter for a desulfurization catalyst to be used in a hydrodesulfurization unit of petroleum refinery of high molecular hydrocarbons, in which fresh...
|
|
|
6218578 |
Polymeric film
The invention relates to a polymeric film composed of an optically anisotropic material made from a cross-linked synthetic resin composition comprising a polymer network, being obtainable by...
|
|
|
6198003 |
Method for producing alkyl mercaptans and/or dialkyl monosulfides
A highly efficient method of producing alkyl mercaptan and/or dialkyl monosulfides which involves employing carbon dioxide as an internal coolant is described. Only negligible amounts of carbonyl...
|
|
|
6162952 |
Production of mercaptans using heterogeneous acidic catalysts
Disclosed is a method of making a mercaptan by reacting hydrogen sulfide with an olefin in the presence of a heterogeneous acidic catalyst. The catalyst can be made by calcining a mixture of a...
|
|
|
6024937 |
Aromatic amine substituted bridged nitrogen and sulfur donor atom ligands for imaging
The present invention provides aromatic amine substituted metal chelating compounds, chelates and chelate-targeting moiety conjugates formed from the chelating compounds, and methods for making and...
|
|
|
5801260 |
Carbonothioate phospholipid analogs as substrate of phospholipases and lipases
Novel substrates of phospholipases, lysophospholipases and lipases are disclosed.
|
|
|
5689005 |
Reductive deoxygenation using a redox catalyst
A process for the deoxygenation of organic oxo compounds, in particular phosphine oxides to phosphines and nitrobenzene to aniline, with reduced redox catalysts in a non-steady-state reaction with...
|
|
|
5608115 |
Polythiol useful for preparing sulfur-containing urethane-based resin and process for producing the same
A novel polythiol having four or more functional groups, a process for producing the polythiol comprising reacting thiourea with a specific compound, a sulfur-containing urethane-based resin...
|
|
|
5407960 |
Mercaptocycloacyl aminoacid endopeptidase inhibitors
Mercaptocycloacyl aminoacid inhibitors of endopeptidase of the formula ##STR1## or a pharmaceutically acceptable salt thereof, alone or in combination with an ACE inhibitor or an ANF, in the...
|
|
|
5362916 |
Synthesis of mercaptaryl or hydroxyaryl enol ether alkali metal salts
Hydroxyaryl enol ether alkali metal salts having the formula: ##STR1## in which T is a fused, substituted or unsubstituted polycycloalkylidene group, OR 3 is an ether group Y is a light-emitting...
|
|
|
5157164 |
Polymerizable antioxidant composition
This invention is addressed to antioxidants which are polymerizable using the Ziegler catalyst system. The antioxidant of the present invention has the formula: ##STR1## wherein R 1 and R 2 are...
|
|
|
4857179 |
Ore flotation and mineral flotation agents for use therein
A process for the recovery of minerals from an ore or concentrate containing the same wherein the minerals are recovered in a froth from an aqueous pulp containing the ore or concentrate and...
|
|
|
4612398 |
Alkyl mercaptan process
A process for making alkyl mercaptans in high yield while minimizing the formation of dialkyl sulfides is conducted by reacting an olefin with hydrogen sulfide in an inert solvent (e.g. CH 2 Cl 2...
|
|
|
4478865 |
Utilization of sulfur containing terpenes as flavoring ingredients
Sulfur containing terpenes of formula ##STR1## both in its racemic and enantiomeric forms possess useful organoleptic properties in developing especially fruity notes, more particularly of...
|
|
|
4330677 |
Polyether compounds, their production and their medicinal use
The invention relates to polyethers having an an average molecule weight of 3000 to 5000 and having a propylene oxide proportion of 60 to 80% and an ethylene oxide proportion of 20 to 40%. Also...
|
|
|
4177198 |
Process for preparing alkaline earth metal mercaptides
A process for preparing alkaline earth metal mercaptides, useful as synergists for organotin stabilizers in halogen containing resins such as polyvinyl chloride, the process comprising preparing an...
|
|
|
4161493 |
Process for the production of mercaptans
The invention concerns a new process for the production of primary and secondary mercaptans. The invention is based on the fact that it is possible to cause an hydrogen exchange between a...
|
|
|
4135047 |
Preparation of thioethers using a benzopinacol initiator
This invention relates to a process for preparing thioethers by the addition of an SH group from a thiol-containing compound, e.g., an alcohol, ester or acid, across at least one double bond of an...
|
|
|
4126627 |
Process for preparing alkaline earth metal mercaptides
A process for preparing alkaline earth metal mercaptides in a two-step process, useful as synergists for organotin stabilizers in halogen containing resins such as polyvinyl chloride, comprising:...
|
|
|
4097272 |
Winning nickel and cobalt with mercaptide extractants and carbon monoxide strip
A novel process for extracting, concentrating, and isolating nickel and cobalt from aqueous solution thereof. A cobalt and/or nickel bearing solution is contacted with an extractant comprising a...
|
|
|
4082790 |
Method of preparing mercaptans
Mercaptans are prepared by reacting an organic chloride or bromide with a mixture of H 2 S and ammonia or an amine at a temperature of 0° to 175° C. under autogenous pressure. The reaction can...
|
|
|
4067910 |
Process for making allylmercaptan
Certain allylmercaptans, some of which are novel, can be used to make novel flavorant and fragrance compositions. A novel method for making the allylmercaptans is disclosed.
|
|
|
4059636 |
Mercaptans by catalytic cleavage of organic sulfides
A method is provided for preparing mercaptans by catalytic cleavage of organic sulfides with hydrogen sulfide in the presence of a supported phosphotungstic acid catalyst. The process is...
|
|
|
4034000 |
Difunctional polymeric dienes
This invention relates to a method of making polymeric materials having isocyanate reactive groups by polymerizing conjugated diolefins and other olefins with a lithium catalyst in the presence of...
|
|
|
4020093 |
Method for synthesizing thiocarbamic acid esters
A method is disclosed for the preparation of thiocarbamic acid esters by reacting an aminic compound with carbon monoxide and an organic disulphide. Elemental selenium is used as the catalyst,...
|
|
|
4005149 |
Mercaptans by hydrogen sulfide-cleavage of organic sulfides in presence of carbon disulfide
In a process for preparing mercaptans by catalytic cleavage of organic sulfides with hydrogen sulfide in the presence of sulfactive catalysts a method is provided for increasing the total...
|
|
|
4000078 |
Reaction product of 1,5,9-decatriene and hydrogen sulfide as lubricant anti-wear additives
Improved anti-wear additives for lubricants are provided which additives comprise the reaction product obtained by the reaction of 1,5,9-decatriene and hydrogen sulfide. Lubricating oil...
|
|
|
3994980 |
Cobalt molybdate as catalyst for preparation of mercaptans from carbonyl compounds hydrogen sulfide and hydrogen
Mercaptans are prepared by reacting an organic carbonyl compound with sulfur or hydrogen sulfide in the presence of a catalyst consisting essentially of cobalt, molybdenum and an inorganic oxide...
|
|
|
3978198 |
Method for producing carbon disulfide
A method for producing carbon disulfide by sulfurization of sulfur-containing organic compounds is described. Conventional apparatus may be employed with realization of reactant conversion rates...
|
|
|
3963785 |
Mercaptans by addition of hydrogen sulfide to olefins in presence of carbon disulfide
In a method for preparing mercaptans by the addition of hydrogen sulfide to olefins in the presence of sulfactive catalysts a method is provided for increasing the total conversion of reactants to...
|
|
|
3929852 |
Process for preparing α,β-unsaturated thiolesters
A process for preparing an α,β-unsaturated thiolester via the reaction of an α,β-unsaturated carboxylic acid halide or anhydride with a mercaptan in the presence of a catalytically effective...
|