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| Number | Title | Issue Date |
| 7732633 | Arylsulfinate salts in photoinitiator systems for polymerization reactions Compositions are provided that include an electron donor and a sensitizing compound. More specifically, the electron donor is an arylsulfinate salt. Methods of polymerization are also provided that can be used to prepare polymeric material from a photopolymerizable ... | 06/08/2010 |
| 7427657 | Aromatic sulfenates for type 1 phototherapy The present invention discloses novel sulfenate derivatives and their bioconjugates for phototherapy of tumors and other lesions. The sulfenates of the present invention are designed to absorb low-energy ultraviolet, visible, or near-infrared (NIR) region of the ele... | 09/23/2008 |
| 7189798 | Composition containing mixture of dihydroxybutane sulfonates This invention relates to new cyclodextrin derivatives, processes for producing these cyclodextrin derivatives, and inclusion complexes comprised of the new cyclodextrin derivatives and guest molecules, as well as methods of making such materials and related materia... | 03/13/2007 |
| 6794164 | Process for the isolation of polyhydroxy cyclic carboxylic acids This invention is directed to the use of crystallization acids, such as acetic, lactic and propionic acids, to obtain high purity polyhydroxyl cyclic carboxylic acids (PCCA) from low purity aqueous solutions. The preferred PCCA is shikimic acid and the preferred cry... | 09/21/2004 |
| 6770776 | Synthesis of fluorocarbon compounds Fluorocarbon compounds are synthesized by reacting a substrate hydrocarbyl compound containing at least one sp3-hybridized halophoric carbon atom bearing at least two halogen atom substituents, at least one of which is a halogen atom having an atomic numb... | 08/03/2004 |
| 6689334 | Process for reducing or avoiding foam production during chemical and physical materials conversion processes The production of foam which occurs in many chemical and physical materials conversion processes can be avoided by performing the materials conversion process in an ascending jet reactor, including a baffle-free container with a tapering lower section, pr... | 02/10/2004 |
| 6586622 | Sulphinic acid derivatives, method for producing them, and their use The present invention relates to sulfinic acid compounds of the formula (I) ##STR1## where the substituents are as defined in the description. The novel sulfinic acid compounds can be used as reducing agents which do not eliminate formaldehyde.... | 07/01/2003 |
| 6509495 | Selective hydrodehalogenation method The invention concerns a selective hydrodehalogenation method characterised in that it comprises a step which consists in contacting a substrate including a sp 3 hybridisation carbon atom bearing an electro-attracting group and at least a fluorine atom, a... | 01/21/2003 |
| 6462228 | Process for preparation of fluorinated sulfinates A process for preparation of a fluorinated sulfinate product by reacting a mixture comprising: (1) water; (2) dehalogenating and sulfinating reagent: and (3) fluoroaliphatic sulfonyl fluoride represented by the formula: Rf --[SO2 F] | 10/08/2002 |
| 6399815 | Process for preparing a sulfinate Disclosed is a process to prepare a sulfinate, which is useful for preparing a synthetic intermediate of an organic compound, especially for a color coupler, characterized by reducing a sulfonyl chloride with a sulfite or a hydrogensulfite in the presence... | 06/04/2002 |
| 6353131 | Composition containing at least one sulfinic derivative and potassium carbonate Sulfinic derivatives such as zinc dithionite, sodium dithionite, zinc or sodium hydroxymethyl sulfinate or zinc or sodium hydroxy-ethyl sulfinate, their condensation products with ammonia, and aminoiminomethanesulfinic acid are stabilized to degradation b... | 03/05/2002 |
| 6350586 | Method for isolating inhibitors of protease activity The present invention provides an assay for detecting and quantifying protease that is sensitive, rapid, and capable of screening numerous samples of small volume. Also provided by the present invention is a method for diagnosing disorders associated with... | 02/26/2002 |
| 6316636 | Synthesis of fluorocarbon compounds Fluorocarbon compounds are synthesized by reacting a substrate hydrocarbyl compound containing at least one sp3 -hybridized halophoric carbon atom bearing at least two halogen atom substituents, at least one of which is a halogen atom having an... | 11/13/2001 |
| 6274632 | Derivatives of 4,4-difluorobut-3-enylsulfinic acid and their use as pesticides The invention relates to compounds of the formula (I): CF2.dbd.CX--CH.sub.2 --CH2 --S(O)--R wherein X represents hydrogen, halogen or lower alkyl, and R represents a group OR1 or NR2 R3 wherein R... | 08/14/2001 |
| 6258984 | Process for the preparation of 4-alkylsulfonyl-1-alkyl-2-chlorobenzenes and similar compounds Process for the preparation of 4-alkylsulfonyl-1-alkyl-2-chlorobenzenes and like compounds. A process for the preparation of 4-alkyl(C1 -C4)-sulfonyl-1-alkyl-2-chlorobenzenes, in very good yields and with high selectivity by selectiv... | 07/10/2001 |
| 6235949 | Process for the preparation of halogenated derivatives and Lewis acid base catalysts thereof A process for the preparation of halide compounds, preferably aryl halides, by contacting a gaseous mixture of hydrohalic acid and a compound selected from an aryl halogen formate, an aryl carbonate and equivalents thereof with a Lewis acid catalyst.... | 05/22/2001 |
| 6211400 | Sulphinic acid derivatives, method for producing them, and their use The present invention relates to sulfinic acid compounds of the formula (I) ##STR1## where the substituents are as defined in the description. The novel sulfinic acid compounds can be used as reducing agents which do not eliminate formaldehyde.... | 04/03/2001 |
| 6197537 | Method for detecting proteases and uses thereof The present invention provides an assay for detecting and quantifying protease that is sensitive, rapid, and capable of screening numerous samples of small volume. Also provided by the present invention is a method for diagnosing disorders associated with... | 03/06/2001 |
| 6191171 | Para-aminomethylaryl carboxamide derivatives para-Aminomethylaryl carboxamides of Formula I are antagonists of VLA-4 and/or 댔ଲ.sub.7, and as such are useful in the inhibition or prevention of cell adhesion and cell-adhesion mediated pathologies. These compounds may be formula... | 02/20/2001 |
| 6111136 | Method for preparation of perfluoroalcanecarboxylic and perfluoroalkanesulfonic acids The invention consists of a new method for preparing perfluoroalcanecarboxylic and perfluoroalcanesulfonic acids in which ozone is made to react, in a protic environment, upon a perfluoroalkyl chain comprising at least one oxydizable chemical group.... | 08/29/2000 |
| 6017723 | Method for isolating inhibitors of protease activity The present invention provides an assay for detecting and quantifying protease that is sensitive, rapid, and capable of screening numerous samples of small volume. Also provided by the present invention is a method for diagnosing disorders associated with... | 01/25/2000 |
| 5900502 | Fluorination process According to the present invention there is provided a process for the selective introduction of one or more fluorine atoms into a disubstituted aromatic compound in an acid medium with fluorine gas characterized in that the acid medium has a dielectric c... | 05/04/1999 |
| 5859288 | Reagent and process for the synthesis of oxysulphide-containing fluorine-containing organic derivatives The invention relates to a reagent which is useful for the synthesis of oxysulphide-containing fluorine-containing organic derivatives by reacting with an oxide of sulphur, especially sulphur dioxide, characterized in that it comprises: a) a fluorocarboxy... | 01/12/1999 |
| 5510518 | Process for the hydrosulfination of olefins Process for the preparation of olefins by using a palladium catalyst at a temperature above the ceiling temperature of the SO2 /olefin copolymer system, for the synthesis of sulfinic and sulfonic acid derivatives.... | 04/23/1996 |
| 5455373 | Method of producing perfluorocarbon halides A method of producing perfluorocarbon halides in a one-pot reaction is described. The method employs a perfluorocarbon acid, a first halogenating agent and a second halogen which drives the reaction forward. Novel perfluorocarbon halides and a direct meth... | 10/03/1995 |
| 5453522 | Colorant for use in business recording Bis-substituted methanes and undissociated methylene salts of the formula (Am)2 Z wherein Am is bis-(1,4 dimethylaminophenyl) and Z is CH2 or CH+ X- wherein X- is a suitable anion, all useful in the... | 09/26/1995 |
| 5359132 | Process for the preparation of sodium salts of aromatic sulphinic acids containing nitro groups Sodium salts of aromatic sulphinic acids containing nitro groups are obtained in particularly pure form and good yield by introducing the corresponding sulphonyl chlorides into an aqueous alkali metal sulphite solution which is at a temperature of -10° t... | 10/25/1994 |
| 5294616 | Fibrinogen receptor antagonists A series of non-peptide derivatives that are antagonists of the fibrinogen IIb/IIIa receptor and thus are platelet aggregation compounds useful in the prevention and treatment of diseases caused by thrombus formation.... | 03/15/1994 |
| 5220066 | Process for the preparation of arylethylamines and substituted arylethylamines This invention provides a process for directly preparing arylethylamines and their salts from (-halo--oximino)acetophenones. The process involves hydrogenation in presence of a transition metal catalyst. The process is illustrated by convers... | 06/15/1993 |
| 5220067 | Process for the preparation of arylethylamines and substituted arylethylamines This invention provides a process for directly preparing hydrohalide salts of arylethylamines from (-chloro--oximino)acetophenones. The process involves hydrogenation in presence of a transition metal catalyst in an organic acid in substanti... | 06/15/1993 |
| 5212301 | Substituted fluorobenzenes Introduction of a fluoro substituent into an aromatic ring adjacent an electron donating group is difficult producing mixed isomers and low yields of desired products. A process for the introduction of a fluoro substituent into a substantially adjacent po... | 05/18/1993 |
| 5175368 | Process for the preparation of arylalkylamines and substituted arylalkylamines Arylalkylamines (as the hydrochloride salt), e.g. tyramine hydrochloride, are prepared by hydrogenating substituted or unsubstituted aryl--oximinoalkyl ketones, e.g. p-hydroxyisonitroacetophenone, in either in an aqueous reaction medium comprising ... | 12/29/1992 |
| 5157150 | Preparation of 2-(chloro, bromo or nitro)-4-(alkylsulfonyl)benzoic acids and intermediates A process for the preparation of 2-(chloro, bromo or nitro)-4-(alkylsulfonyl)benzoic acid and to intermediates used in the process.... | 10/20/1992 |
| 5105006 | Phosphonium salts The invention is a novel phosphonium salt, useful as an initiator or catalyst in the reaction of oxirane groups in an epoxy resin with aromatic carbonate and/or ester linkages in monomeric, oligomeric, or polymeric carbonates, esters, or estercarbonates.... | 04/14/1992 |
| 5030655 | Novel cyclopropane carboxylates A compound selected from the group consisting of all possible isomeric forms and mixtures thereof of a compound of the formula ##STR1## wherein R1 is selected from the group consisting of hydrogen, alkyl of 1 to 8 carbon atoms, alkenyl and... | 07/09/1991 |
| 5023370 | Functionalization of iodopolyfluoroalkanes by electrochemical reduction and new fluorinated compounds thereby obtained The invention relates to the preparation of functionalized derivatives from iodopolyfluoroalkanes by electrochemical reduction. This reduction is carried out in a formamide or substituted formamide solvent which may contain up to 70% (by volume) water, on... | 06/11/1991 |
| 5008448 | Preparation of 2-(chloro, bromo or nitro)-4-(alkyl-sulfonyl)benzoic acids and intermediates A process for the preparation of 2-(chloro, bromo or nitro)-4-(alkylsulfonyl)benzoic acid and to intermediates used in the process.... | 04/16/1991 |
| 4978782 | Organic disulfide compound useful as antiradiation agents A novel symmetrical organic disulfide sulfonate compound is disclosed as useful as an anti-radiation agent. The compound is disodium (1,4-butylenedithio)bis(4-butanesulfinate).... | 12/18/1990 |
| 4943657 | Unsymmetrical organic disulfide compounds useful as antiradiation agents Unsymmetrical organic disulfide sulfinate compounds, useful as an antiradiation agents, having the general formula: ##STR1## wherein A is one or of the following polar groups, OH, COOH, SO3 Na, --C(O)--, or derivatives such as esters and n... | 07/24/1990 |
| 4883890 | Unsymmetrical organic disulfide compounds useful as antiradiation agents Unsymmetrical organic disulfide sulfinate compounds, useful as an antiradiation agents, having the general formula: ##STR1## wherein A is one or of the following polar groups, OH, COOH, SO3 Na, --C(O)--, or derivatives such as esters and n... | 11/28/1989 |
