| Patents for C07C 319 - Preparation of thiols, sulfides, hydropolysulfides or polysulfides (8,304) |
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| 02/23/1999 | US5874656 Heating ester of chloroformic acid in the liquid phase in the presence of a polychlorinated benzene and hydrogen fluoride |
| 02/23/1999 | US5874630 Reacting aliphatic alcohol with hydrogen sulfide in the presence of a catalyst comprising alkali or alkaline earth metal bicarbonate, carbonate, oxide or hydroxide, and a transition metal acid or alkali or alkaline earth metal salt |
| 02/23/1999 | US5874608 Process for the preparation of esters of aromatic carboxylic acid |
| 02/18/1999 | WO1999007330A2 Method and agents for permanently styling hair, with a base consisting of n,n-disubstituted mercaptoacetamides, and method for producing said mercaptoacetamides |
| 02/18/1999 | DE19733952A1 Mittel und Verfahren zur dauerhaften Haarverformung auf Basis von N,N-disubstituierten Mercaptoacetamiden sowie Verfahren zur Herstellung dieser Mercaptoacetamide Means and method for permanent shaping of hair based on N, N-disubstituted mercaptoacetamides as well as methods for preparing these mercaptoacetamides |
| 02/17/1999 | CN1208407A [S-(R*,R*)]-3-methyl-2-(3-oxo-3h-benzo[d] isothiazol-2-yl] pentanoic acid and [S-(R*,R*)], L-2-(2-(2-(1-carboxy-2-methylbutyl carbamoyl) phenyldisulfonyl) benzoyl-amino)-3-methylpentanic acid |
| 02/17/1999 | CN1208033A Colchicine and thiocolchicine derivatives with anti-inflammatory and muscle relaxant activities |
| 02/17/1999 | CN1207958A Catalyst for preparing methyl mercaptan from synthesized gas containing high concentration of hydrogen sulfide |
| 02/17/1999 | CN1207957A Catalyst for synthesizing methyl mercaptan from synthesized gas contg. hydrogen sulfide |
| 02/16/1999 | US5872300 Catalytic hydrogenation with raney nickel; free of added sulfur compound |
| 02/16/1999 | US5872280 Respiratory system disorders |
| 02/11/1999 | WO1999006364A1 Process for the purification or isolation of (2s, 3r)-1-halo-2-hydroxy-3-(protected amino)-4-phenylthiobutanes or optical antipodes thereof |
| 02/11/1999 | WO1999006013A2 Agent and method for permanent shaping of hair and method for the production of n-alkylmercaptoacetamides |
| 02/10/1999 | EP0770062A4 Process for the preparation of 3-(methylthio)propanal |
| 02/10/1999 | EP0677045B1 Catalytic oxidation process of thiols |
| 02/03/1999 | CN1041924C Sulfuric acid, sulfate, dithio-amino formic acid and its salt oxidation process |
| 02/03/1999 | CN1041917C Polythiol, process for producing same, sulfur-containing urethane-base resin prepared from the polythiol, process for producing the resin, and lens |
| 02/02/1999 | US5866721 Process for separating the product gas mixture from the catalytic synthesis of methyl mercaptan |
| 02/02/1999 | US5866604 Thiol derivatives with metallopeptidase inhibitory activity |
| 01/28/1999 | WO1999003827A1 NOVEL PROCESS FOR PRODUCING DIBENZO[b,f]THIEPINE DERIVATIVES |
| 01/27/1999 | EP0892781A1 Catalytic hydrogenolysis of organic thiocyanates and disulfides to thiols |
| 01/27/1999 | CN1206003A Preparation of high-purity thiobisphenol oligomer antioxidant |
| 01/27/1999 | CN1206002A Synthesis of improved thiobisphenol antioxidant |
| 01/26/1999 | US5863931 Amidino derivatives and their use as nitric oxide synthase inhibitors |
| 01/26/1999 | CA2019769C S-alkylthiopropionic acids and derivatives |
| 01/21/1999 | WO1999002490A1 Process for the preparation of 2-alkylthiobenzonitrile derivatives |
| 01/21/1999 | WO1999002489A1 Process for the preparation of 2-alkylthio benzoic acid derivatives |
| 01/21/1999 | WO1999002476A1 Process for the preparation of 1-aryl-3-cyclopropyl-1,3-propanediones |
| 01/21/1999 | CA2295912A1 Process for the preparation of 2-alkylthio benzoic acid derivatives |
| 01/21/1999 | CA2295910A1 Process for the preparation of 2-alkylthiobenzonitrile derivatives |
| 01/20/1999 | EP0892036A1 Preparation of sulfurised phenol additives intermediates and compositions |
| 01/20/1999 | EP0891316A1 Processes for the manufacture of methylmercaptopropanal |
| 01/20/1999 | EP0775109B1 Process for producing 2-hydroxy-4-methylthiobutyric acid (mha) and its use as feedstuff supplement |
| 01/20/1999 | EP0770060B1 Process for producing ammonium-2-hydroxy-4-(methylthio)-butyrate, mixtures containing the same in liquid form and their use |
| 01/20/1999 | CN1205751A Fibrous-foamation aerogel composite material containing at least one thermoplastic fibrous material process for prodn. thereof, and use thereof |
| 01/20/1999 | CN1205689A Novel 2,3,5-trimethyl-4-hydroxy anilide derivatives, prepn. thereof and therapeutical use thereof |
| 01/20/1999 | CN1205688A Process for obtaining 2-hydroxy-4-methylthiobutyric acid (MHA) |
| 01/20/1999 | CN1205329A Method for extracting garlicin |
| 01/19/1999 | US5861539 Sulfiding reaction of organic mercaptan and sulfur using mixture of base and alkoxylated alcohol or mercaptan; oxyalkylation with alkylene oxide |
| 01/12/1999 | US5859300 Process for the hydrogenation of imines |
| 01/07/1999 | EP0889030A1 Polysulfides, process for their preparation and their use |
| 01/07/1999 | EP0889029A2 Process for the preparation of 3- (methylthio) propanal |
| 01/06/1999 | CN1204318A Aromatic thioether acylation method |
| 01/06/1999 | CN1204317A Method for preparing organic disulphides and polysulphides in presence of polystyrene-divinylbenzene (PS-DVB) resins having guanidine or amidine groups |
| 01/06/1999 | CN1204312A Method for preparing organic disulphides and polysulphides in presense of polystyrene-divinylbenzene (PS-DVB) resins having primary amine groups |
| 01/05/1999 | US5856567 Continuous hydrolysis process for preparing 2-hydroxy-4-methylthiobutanioc acid or salts thereof |
| 01/05/1999 | CA2122211C Process for the deodorization of a formulation containing at least one thiol group-bearing compound and deodorized formulation thus obtained |
| 01/05/1999 | CA2046293C Preparation of substituted ethenes |
| 12/30/1998 | WO1998058908A1 Stabilization of (hydrocarbylthio)aromatic amines against odor formation |
| 12/30/1998 | CN1041414C Process for preparation of 3-(metnylthio) propanal |
| 12/24/1998 | DE19725799A1 Use of substituted thio-phenoxy derivatives |
| 12/24/1998 | DE19717429A1 Herstellung enantiomerenreiner Biarylketocarbonsäuren Preparation of enantiomerically pure Biarylketocarbonsäuren |
| 12/23/1998 | EP0787125B1 Enhanced solubilization of zinc and manganese methionine complex salts by addition of ferric ion |
| 12/23/1998 | CN1041268C Method for controlling insects and acarids |
| 12/22/1998 | US5852219 Catalyst, process for its preparation, and use for synthesis of methyl mercaptan |
| 12/22/1998 | US5852213 Mercaptoketones and mercaptoalcohols and a process for their preparation |
| 12/17/1998 | WO1998056762A2 Process for preparing optically active phenyloxirane compounds |
| 12/17/1998 | CA2293404A1 Process for preparing optically active phenyloxirane compounds |
| 12/16/1998 | EP0884300A1 Process for preparing free alpha-hydroxy acids from ammonium salts thereof |
| 12/16/1998 | EP0883606A1 Process for scavenging thiols |
| 12/16/1998 | EP0883605A1 Process for preparing 2-(thiosubstituted)-4-haloacetophenones |
| 12/15/1998 | US5849677 Sulfurized olefin composition and its method of preparation |
| 12/10/1998 | WO1998055446A1 Process for the preparation of thioether-substituted aromatic ketones |
| 12/10/1998 | WO1998055438A1 Process for the preparation of 1,3-dicarbonyl compounds |
| 12/09/1998 | EP0882028A1 New intermediates to pesticides |
| 12/09/1998 | CN1201031A Method for separating ammonium sulfate and ammonium hydrogen sulfate and method for producing 2-hydroxyl-4-methyl-thiobutanoic acid using said method |
| 12/08/1998 | US5847223 Process for the preparation of methyl mercaptan |
| 12/08/1998 | US5847207 Process for producing 2-hydroxy-4-methylthiobutyric acid (MHA) and its use as feed stuff supplement |
| 12/08/1998 | US5847205 Method for producing homocystine |
| 12/08/1998 | US5847147 3-Amino-2-mercaptobenzoic acid derivatives and processes for their preparation |
| 12/08/1998 | US5847005 Benzamidoxime derivatives, process production thereof, and agrohorticultural bactericide |
| 12/03/1998 | WO1998054118A1 Production of formaldehyde from carbon oxides and h2s |
| 12/03/1998 | CA2291059A1 Production of formaldehyde from carbon oxides and h2s |
| 12/02/1998 | EP0880498A2 Process for preparing diketone compounds |
| 12/02/1998 | CN1200372A Process for prodn. of vulcanized isobuktene by closed and non-contaminated circulation method |
| 12/01/1998 | US5843420 Method for extracting malodorous compounds present in a formulation containing at least one compound carrying a thiol group and deodorized compositions thus obtained |
| 11/25/1998 | CN1199733A Process for preparing optically active trans-3-substituted glycidic acid ester |
| 11/24/1998 | US5840991 Antiatherosclerosis agents for lipid-lowering and antiperoxidative activity |
| 11/24/1998 | US5840984 Stabilization of (hydrocarbylthio) aromatic amines against odor formation |
| 11/18/1998 | CN1040751C Process for preparation of benzothiazepine derivs. |
| 11/17/1998 | US5837797 Condensation polymerizing polythiol and polyiso(thio)cyanate monomers to make polythiourethanes and polydithiocarbamates; refractive index, lightweight, dyeability, weatherproof, heat resistance, impact strength |
| 11/12/1998 | WO1998050350A1 Alkanethiolation process |
| 11/11/1998 | EP0876448A1 Sulphurised phenol additives and compositions |
| 11/11/1998 | EP0876340A1 Aromatic thioether acylation method |
| 11/11/1998 | EP0876339A1 Method for preparing mercaptocarboxylic acids from unsaturated carboxylic acids |
| 11/11/1998 | EP0876329A1 Process for the production of n-acetyl-d,l-alpha-aminocarboxylic acids |
| 11/11/1998 | EP0876312A1 Method for preparing organic disulphides and polysulphides |
| 11/10/1998 | US5834621 Novel sulfur-containing compound and method for preparing the same |
| 11/05/1998 | WO1998049124A1 Production of enantiomer-free biarylketocarboxylic acids |
| 11/05/1998 | CA2288107A1 Production of enantiomer-free biarylketocarboxylic acids |
| 11/04/1998 | EP0874883A1 Sulfurized olefin composition and its method of preparation |
| 11/04/1998 | EP0874835A1 Method of making (s-(r*,r*))-3-methyl-2-(3-oxo-3h-benzo(d)isothiazol-2-yl)pentanoic acid and (s-(r*,r*)), l-2-(2-(2-(1-carboxy-2-methylbutylcarbamoyl)phenyldisulfonyl)benzoyl-amino)-3-methylpentanoic acid |
| 11/04/1998 | EP0874812A1 Novel 2,3,5-trimethyl-4-hydroxy anilide derivatives, preparation thereof and therapeutical use thereof |
| 11/04/1998 | EP0874811A1 Process for obtaining 2-hydroxy-4-methylthiobutyric acid (mha) |
| 11/04/1998 | EP0874801A1 Process for obtaining optically active l-alpha-aminocarboxylic acids from corresponding racemic d,l-alpha-aminocarboxylic acids |
| 11/04/1998 | EP0705244B1 Nitrato amino acid disulphides for use in the therapy of disorders of the cardiovasculary system |
| 11/04/1998 | CN1040533C Process for production of methionine or methionine derivatives |
| 10/28/1998 | EP0873290A1 Process for racemization of n-acetyl-d(l)-alpha-aminocarboxylic acids |
| 10/28/1998 | EP0715620B1 1-arylcycloalkyl sulphides, sulphoxides and sulphones for the treatment of depression, anxiety and parkinson's disease |
| 10/28/1998 | CN1197066A Prescription and method of increasing clarification of systine products |