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| Number | Title | Issue Date |
| 7399879 | Process for preparing alkylidene-substituted-1,4-dions derivatives A process for the preparation of a monoalkylidene substituted 1,4-dions derivatives of formula (Ia) or (Ib) or a mixture of (Ia) and (Ib): wherein: R1, R2 and R3, equal to or different from each other, are hydrogen atoms or C1 | 07/15/2008 |
| 7312266 | Organic thiol metal-free stabilizers and plasticizers for halogen-containing polymers Organic thiol compounds based on pentaerythritol and dipentaerythritol are described herein. More specifically, the compounds of the present invention are mixed esters of pentaerythritol and dipentaerythritol having at least one sulfhydryl group and preferably a plu... | 12/25/2007 |
| 7256315 | Process for the production of 3-methylthiopropanal Process for the Production of 3-methylthiopropanal. A process for the production of 3-methylthiopropanal which reacting reaction medium comprising methyl mercaptan and acrolein in the presence of a catalyst comprising an organic base characterised in that the organi... | 08/14/2007 |
| 7183440 | Pharmaceutically useful compounds A compound of formula (I) or (II): wherein A is hydrogen or CR1R2; Y and Z are each, independently, hydrogen or a halogen; X is —NR4R5, or R7; R1 is hydrogen, or a substituted or unsubstituted alkyl... | 02/27/2007 |
| 7183441 | Method for producing vicinal dithiol A vicinal dithiol is produced by the reaction of an episulfide compound having at least one thiirane ring in its molecule and a thiocarboxylic S-acid. ... | 02/27/2007 |
| 7119233 | Method for preparing 3-(methylthio)propanal A method for preparing 3-(methylthio)propanal and 2-hydroxy-4-(methylthio)butanenitrile by catalyzed addition of methylmercaptan to acrolein and hydrogen cyanide to 3-(methylthio)propanal. ... | 10/10/2006 |
| 6930208 | 3-Keto- or 3- oxime-ether-substituted benzoylcyclohexanediones What is described are derivatives of benzoylcyclohexanediones of the formula (I) and their use as herbicides. In this formula (I), R1a, R1b, R1c, R2, R3, R4 | 08/16/2005 |
| 6927247 | Organic thiol metal-free stabilizers and plasticizers for halogen-containing polymers Organic thiol compounds including mercaptophenylcarboxylates are disclosed which can be utilized to plasticize and/or stabilize halogen-containing polymer compositions, especially poly(vinyl chloride) compositions. Compounds of the present invention are utilized in ... | 08/09/2005 |
| 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 removed by vacuum or nitrogen sparge. A typical product contains 88.1 ... | 05/17/2005 |
| 6768025 | Benzoylcyclohexanedione derivatives and their use as herbicides Benzoylcyclohexanedione derivatives of the formula (I) and their use as herbicides are described. In this formula (I), R1, R3, and R4 are various radicals, L—(R2)n | 07/27/2004 |
| 6509100 | Fluorinated hydrogn bond stabilized surface modifying agents, articles made therefrom, methods for making and using the same The present invention discloses hydrogen bond stabilized surface modifying agents having a fluorinated or semi-fluorinated carbon-containing tail group, an internal moiety capable of intermolecular hydrogen bonding or related acid-base interactions and a ... | 01/21/2003 |
| 6498150 | Low molecular weight cell, bone marrow and immune stimulants The present invention relates to peptide-like compounds, eg aminocarboxylic acid amide derivatives, and to methods of using same to stimulate cells of the immune system, bone marrow and other organs. The present compounds can be used to enhance vaccinatio... | 12/24/2002 |
| 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 a compound of the formula D ##STR1## wherein A' is se... | 04/30/2002 |
| 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 copolymerization of a mixture comprising (a) at least one monome... | 04/17/2001 |
| 5948936 | Method for production of sulfide group-containing thiol compound A method for the production of a sulfide group-containing thiol compound which comprises causing alkylene sulfide to react with a thiol compound in the presence of at least one basic catalyst selected from the group consisting of basic ion-exchange resins... | 09/07/1999 |
| 5942555 | Photoactivatable chain transfer agents and semi-telechelic photoactivatable polymers prepared therefrom A photoactivatable reagent useful as a chain transfer reagent for providing a semitelechelic polymer having one or more terminal photoactivatable groups. The reagent provides one or more photoactivatable groups and one or more sulfhydryl (or other chain t... | 08/24/1999 |
| 5919985 | Method for production of sulfide group-containing thiol compound An object is to provide a method for the production of a sulfide group-containing thiol compound which comprises using a solvent capable of effecting the ring-opening addition reaction of an alkylene sulfide to a thiol compound without inducing the alkyle... | 07/06/1999 |
| 5801260 | Carbonothioate phospholipid analogs as substrate of phospholipases and lipases Novel substrates of phospholipases, lysophospholipases and lipases are disclosed.... | 09/01/1998 |
| 5710256 | Methadone derivatives and protein and polypeptide methadone derivative conjugates and labels The present invention is directed to novel methadone derivatives which are synthesized for the covalent attachment to antigens (proteins or polypeptides) for the preparation of antibodies or receptors to methadone and methadone metabolites. The resulting ... | 01/20/1998 |
| 5696282 | Process for producing organosulfur compounds A process comprises contacting, in the presence of a catalyst, hydrogen sulfide or a mercaptan such as, for example, n-dodecyl mercaptan with an ,ଲ-unsaturated carbonyl or ,ଲ-unsaturated cyano compound such as, for example, methy... | 12/09/1997 |
| 5679697 | Palladium complexes and methods for using same in the treatment of tumors Novel palladium complexes and pharmaceutical compositions comprising the same are provided. Such complexes comprise (palladium)m (lipoic acid)n, wherein m and n are each independently 1 or 2. A process for preparing such complexes is... | 10/21/1997 |
| 5578740 | Process for preparation of epoxy compounds essentially free of organic halides Epoxy-containing compounds which are essentially free of organic halides are prepared by (I) reacting an allyl derivative of an active hydrogen-containing compound with (II) a peroxygen-containing compound. The epoxy-containing compounds are useful in coa... | 11/26/1996 |
| 5475136 | Inhibitors of HIV protease useful for the treatment of AIDS The present invention provides novel HIV protease inhibitors, pharmaceutical formulations containing those compounds and methods of treating and/or preventing HIV infection and/or AIDS.... | 12/12/1995 |
| 5338886 | Process for preparation of aromatic thiols Disclosed is a process for preparation of an aromatic thiol corresponding to the structure A-(SH)n wherein A is a substituted or unsubstituted aromatic radical and n is 1, 2, 3, 4, 5 or 6 comprising contacting at a temperature of at least 80° C. an aroma... | 08/16/1994 |
| 5276147 | Compounds and complexes useful in medical imaging The subject of the present invention is compounds which correspond to the following general formula: ##STR1## in which R1 and R3 independently of one another represent H, an alkyl, alkenyl, cycloalkyl, aryl, arylalkyl or an alky... | 01/04/1994 |
| 5008432 | Production of mercapto compounds Activated olefinically unsaturated organic compounds such as esters, acids, ketones, nitriles, and the like, are reacted with hydrogen sulfide in the presence of at least one of magnesium oxide and anion exchange resins catalysts to produce saturated sulf... | 04/16/1991 |
| 4996347 | Novel beta-d-phenylthioxylosides, their method of preparation and their use as therapeutics The present invention relates, by way of novel industrial products, to osides selected from the group consisting of: (i) the ଲ-η-phenylthioxylosides of the formula: ##STR1## in which: R represents a hydrogen atom, a halogen atom, a nitro group or ... | 02/26/1991 |
| 4982005 | Preparation of benzophenones Benzophenones are prepared by condensing benzoic acids and aromatics of the benzene series by means of boron trifluoride in nitrobenzene as reaction medium.... | 01/01/1991 |
| 4980510 | Process for preparing thiophenols and novel thiophenols Thiophenols of the formula ##STR1## in which R1, R2, R3 and R4 independently of each other each stand for hydrogen, halogen, nitro, alkyl, alkoxy, alkylthio, alkoxyalkyl, alkylthioalkyl, haloalkyl, haloalko... | 12/25/1990 |
| 4929765 | Preparation of phenylacetaldehydes Phenylacetaldehydes of the general formula I ##STR1## where R1 to R5 are each independently of the others hydrogen, alkyl, alkoxy, halogen, haloalkyl, haloalkoxy or haloalkylthio, by catalytic rearrangement in the presence of a ... | 05/29/1990 |
| 4894482 | Process for drying hydrogen fluoride-carboxylic acid mixtures A process is provided for removing water from a mixture of hydrogen fluoride (HF), a carboxylic acid, e.g., acetic acid, and water by extractive distillation in the presence of a Lewis base as solvent, which does not azeotrope with water, forms bonds with... | 01/16/1990 |
| 4833164 | 2-substituted-1-naphthols, pharmaceutical compositions of, and their use as 5-lipoxygenase inhibitors 2-Substituted-1-naphthols are 5-lipoxygenase inhibitors which make them useful in the treatment of inflammation, obstructive lung diseases and/or psoriasis. Useful 2-substituent groups are alkyls, alkenyls, alkynyls, cycloalkyls, cycloalkenyls, the groups... | 05/23/1989 |
| 4803161 | Biological and analytical uses of phenalenone and benzphenalenone compounds Certain phenalenone and benzphenalenone fluorescent compounds are useful in biomedical studies and analytical determinations. These compounds are particularly useful in assays for living organisms, e.g. microorganisms, carried out at a pH of 9 or less. Fo... | 02/07/1989 |
| 4640789 | Ore flotation and flotation agents for use therein Ammonium dialkylaminoalkyl (thiocarbonyldithio) alkanoates, alkali metal dialkylaminoalkyl (thiocarbonyldithio) alkanoates, their use as flotation agents, and a process for the production of these novel compositions are disclosed. N,N-dialkylaminoalkyl me... | 02/03/1987 |
| 4621098 | Thioethers and pharmaceutical compositions containing them The present invention provides thioethers of the general formula: ##STR1## wherein Ar is a phenyl radical which is optionally substituted one, two or three times by alkyl, alkenyl, alkoxy, alkylthio, alkanoyl, hydroxyl, hydroxyalkyl, carboxyl, alkoxy... | 11/04/1986 |
| 4542233 | Process for preparing biaryl compounds via coupling of an arylamine with an arene Improvement in the process for preparing biaryl compounds via coupling of an arylamine with an arene in the presence of a nitrite, an acid and copper metal or a derivative thereof; the improvement is consisting in adding to the reaction mixture a trialkyl... | 09/17/1985 |
| 4515687 | Ore flotation and flotation agents for use therein Ammonium dialkylaminoalkyl (thiocarbonyldithio) alkanoates, alkali metal dialkylaminoalkyl (thiocarbonyldithio) alkanoates, their use as flotation agents, and a process for the production of these novel compositions are disclosed. N,N-dialkylaminoalkyl me... | 05/07/1985 |
| 4449001 | Oxy and thioaryl-phenylated aromatic biscyclopentadienones Oxy- and thio-aryl-phenylated aromatic biscyclopentadienones are prepared from aromatic bis-benzils and benzylketones.... | 05/15/1984 |
| 4400312 | Sulfur based metal cleaners A novel composition and process are provided for cleaning metallic surfaces. The cleaning composition comprises an effective amount of at least one sulfur containing compound selected from the group consisting of a dialkylamino dithiocarbamic acid, a merc... | 08/23/1983 |
| 4301081 | Alkali metal complex compounds The invention includes novel alkali metal complex compounds (and processes for their preparation) which are useful, inter alia for the hydrogenation of alkali metals at room temperature or below room temperature to form hydrides or nitrides.... | 11/17/1981 |
