Class 556/69 - Sulfur double bonded directly to chalcogen

Subclass of Class 556 - Organic compounds -- part of the class 532-570 series
Definition: Compounds which contain sulfur double bonded directly to
No. of patents: 40
Last issue date: 12/16/2003

Number	Title	Issue Date
6664380	Perfluorosulfonylmethide compounds; use thereof for carbon-carbon bond formation Free perfluorosulfonylmethide compounds and metal salts thereof show strong catalytic activity in carbon-carbon bond formation reactions, in amounts as low as 0.1 mole %. Fluorous media may be used, especially biphasic fluorous media enabling ready recycl...	12/16/2003
6057466	Palladium catalysts for polymerization Compounds, for initiating the polymerization of ethylenically unsaturated compounds, having the formula ##STR1## where E is nitrogen, phosphorus, arsenic or antimony, X is oxygen, NR1 or sulphur, L is R8 R9 R10 ...	05/02/2000
5939045	Organic bismuth derivatives for X-ray imaging An organic bismuth derivative represented by formula (I) or its salt: wherein X1 is YNR1 R2 (wherein Y is --SO2 -- or --C(O)--, R1 is a C3-6 alkyl group which have from 2 to 5 hydroxyl gr...	08/17/1999
5730953	Tris(substituted phenyl) bismuth derivatives tris(substituted phenyl) bismuth compounds of formula (I) and pharmaceutically acceptable salts thereof are useful x-ray radiographic imaging agents: ##STR1## wherein X1, X2 and X3 are as defined in the specification....	03/24/1998
5576461	Preparation of sulphoxonium salts The present invention provides a process for preparing a sulphoxonium salt from the corresponding sulphonium salt which comprises oxidising the sulphonium salt using a peracid, under basic conditions, in a solvent other than a ketone. Some of the sulphoxo...	11/19/1996
5536424	Sulfonated bismuth compounds New sulfonated bismuth compounds and the preparation thereof are described. These new compounds can be represented by the following general formulae: ##STR1## where R1 represents a monovalent linear or branched aliphatic hydrocarbonaceous ...	07/16/1996
5385724	Trifluoromethyl analogs of X-ray contrast media for magnetic resonance imaging Methods and compositions are disclosed for enhancing 19 F magnetic resonance imaging which utilize trifluoromethyl derivatives of iodinated X-ray contrast media. Typical magnetic resonance contrast media within the scope of the present inventio...	01/31/1995
5274184	Aryl sulphide, aryl sulphoxide and aryl sulphone compounds The present invention relates to compounds of the general formula I ##STR1## wherein A.sym. and B.sym. independently of one another denote a proton, with the limitation that they do not both simultaneously denote protons, the eq...	12/28/1993
5154912	O¹⁷ isotopic peroxides The peroxides which include the O17 isotope, especially the hydrogen peroxides and peroxides and hydroperoxides prepared therefrom, are well adapted as nonradioactive labeled compounds for use in the medicinal and biological arts....	10/13/1992
5084586	Novel initiators for cationic polymerization Disclosed are novel compounds which are useful as initiators for cationically polymerizable monomers. The novel compounds comprise a carbon containing cation (e.g., trimethyloxonium) which is capable of initiating cationic polymerization and a non-nucleop...	01/28/1992
5021597	Novel acrylic acid salts, a process for their preparation, pharmaceutical compositions containing them and their use in the medicine Novel acrylic acid salts of formula ##STR1## wherein R represents a hydrogen or a halogen atom, a C1-4 alkyl, a C1-4 alkoxy or a nitro group, M represents a cation derived from bismuth, zinc or a pharmaceutically acceptable orga...	06/04/1991
4933377	Novel sulfonium salts and the use thereof as photoinitiators Sulfonium and oxysulfonium salts, useful as photoinitiators, have directly attached to the sulfur atom thereof: at least one aromatic or heterocyclic aromatic substituent containing at least 14 aromatic atoms and having a removable positive hydrogen ion, said ...	06/12/1990
4734444	Curable mixtures containing N-sulfonylaminosulfonium salts as cationically active catalysts Mixtures which are curable by heating or irradiation with actinic light contain one or more cationically curable compounds, such as an epoxy, an olefinically unsaturated monomer, amino resin or phenolic resin, and as a cationically active curing catalyst ...	03/29/1988
4675416	Ternary charge transfer complex Disclosed herein are organometallic ternary charge transfer complexes of the formula (I) wherein RX is an inorganic chloride or fluoride which contains at least one oxygen and/or sulfur atom and is capable of forming a complex salt a(R).multidot.MX.sub.(a...	06/23/1987
4507247	Sulfonated Group Va ylides and process for preparing same There are provided novel sulfonated Group Va ylides defined by the following Formula I: ##STR1## wherein R1, R2, R3 and R4 are either alike or different members selected from the group consisting of hydroge...	03/26/1985
4451409	Sulfonium organosulfonates Monomeric and polymeric triarylsulfonium complex salts which may be prepared by contacting diarylsulfoxides or polymeric arylsulfoxides with aromatic compounds in the presence of an organosulfonic acid are described. An example is tris-(4-phenoxyphenyl)su...	05/29/1984
4451450	Cationic compounds useful for making radiodiagnostic agents A normally solid, hydrophilic compound capable of binding with Tc-99m to form a cationic complex is provided. The compound has a formula selected from: ##STR1## wherein: R, R', R", R1, R2, R3, R4, R5	05/29/1984
4425278	Complex compounds, process for their preparation, and their use A complex compound of a metal salt or metalloid salt and an ansolvo-acid or proton-acid, of the general formula I in which M is a m-valent cation of a metal or metalloid, a metal-oxy or metal-dioxy cation or a hydrogen atom, X is a n-valent anion of a n-basic ...	01/10/1984
4404408	Complexed compounds, processes for their manufacture and their use Metal or metalloid salts, ansolvo-acids and proton-acids can be so complexed with 1,2,3-triols, glycerol ethers or glycerol thioethers containing at least 6 C atoms in the molecule that they are in the form of compositions which are soluble in organic sol...	09/13/1983
4394322	Group VA ylides and process for preparing same There are provided novel Group VA ylides defined by the following Formula I: ##STR1## wherein R1, R2, R3, R4 and R5 are either alike or different members selected from the group consisting of hyd...	07/19/1983
4394403	Photopolymerizable compositions Photopolymerizable compositions which comprise cationically polymerizable organic material and photosensitive aromatic iodonium salt of a halogen-containing complex ion are described as are coated substrates and methods for bonding materials together usin...	07/19/1983
4388227	Intercalation of graphitic carbon fibers The formation of improved intercalated graphitic carbon fibers of further diminished electrical resistivity (i.e., increased electrical conductivity) is made possible. Not only is the specific electrical resistivity of the resulting fibers reduced (e.g., ...	06/14/1983
4383025	Photopolymerization by means of sulfoxonium salts Substances (I) capable of being converted into higher-molecular weight materials under the influence of a cationic catalyst, such as 1,2-epoxides, aminoplasts, vinyl monomers and prepolymers, or phenoplasts, are so converted by exposure to actinic radiati...	05/10/1983
4378277	Photopolymerizable epoxy-containing compositions Photopolymerizable epoxy compositions which comprise an epoxy-containing material and photosensitive aromatic iondonium salt of a halogen-containing complex ion are described as are coated substrates and methods for bonding materials together using such c...	03/29/1983
4377528	Group VA salts and process for preparing same There are provided novel salts defined by the following Formula I: ##STR1## wherein R1, R2, R3, R4 and R5 are either alike or different members selected from the group consisting of hydrogen, alkyl ...	03/22/1983
4377529	Sulfonated group VA ylides and process for preparing same There are provided novel sulfonated group Va ylides defined by the following Formula I: ##STR1## wherein R1, R2, R3, and R4 are either alike or different members selected from the group consisting of hydrog...	03/22/1983
4374066	Method for making triarylsulfonium salts A method for making triarylsulfonium salts is provided based on the reaction of an aromatic hydrocarbon, a sulfur chloride, and chlorine in the presence of a Friedel Crafts catalyst. The triarylsulfonium salts can be used as cationic photoinitiators to ef...	02/15/1983
4374242	Layered organoarsenous inorganic polymers Layered organoarsenuous inorganic polymers are formed by reacting an organoarsenic acid with at least one tetravalent ion by reflux of the organoarsenic acid and the tetravalent ion in a liquid medium. There is formed a polymer in which the tetravalent me...	02/15/1983
4373079	Layered or amorphous cyclic organometallic inorganic polymers Inorganic polymeric compounds which contain pendant organic functional groups are prepared by the reaction of an acid of the formula [(HO)2 OZOx ]k R, in which Z is a pentavalent atom, x is 0 or 1, k is 1 or 2, and R is a ...	02/08/1983
4343745	Process for solubilizing organic or mineral salts in organic solvents The invention provides a process for solubilizing an organic or mineral salt in an organic solvent, said process comprising contacting an organic or mineral salt of the formula A- M+, wherein A- represents a mineral or org...	08/10/1982
4331518	Bismuth composition, method of electroplating a tin-bismuth alloy and electroplating bath therefor An improved electrotinplating process and acidic electroplating bath therefor is disclosed. The acidic electroplating bath contains tin ions and a chelate salt comprising an acid bismuth sulfate gluconate. An improved electrotinplating process is therefor...	05/25/1982
4293502	Nickel ylides A new group of nickel ylides is provided that is highly active at relatively low operating temperatures and pressures in the oligomerization of ethylene. The compounds can be defined by the following Formula I: ##STR1## wherein R1, R2...	10/06/1981
4278610	Method of making an organic metal salt or complex A method of making an organic metal salt or complex is disclosed by reacting a heavy metal hydroxide with an organic Lewis acid or salt thereof in the presence of a gaseous catalyst such as a form of CO2. The reaction may be controlled by the a...	07/14/1981
4202714	Ballistic modifiers and synthesis of the ballistic modifiers A new class of ballistic modifiers and the synthesis thereof is disclosed rein and are used in propellants either individually or as admixtures in percentages of approximately 0.5 to 6 weight percent to impart mesa or plateau burning rate characteristics ...	05/13/1980
4198317	Passivation of metals which contaminate cracking catalysts with antimony tris (hydrocarbyl sulfonate) A hydrocarbon cracking catalyst the effectiveness of which is impaired by deposition thereon of a metal contaminant, e.g., vanadium, iron and/or nickel, is treated with an antimony tris (hydrocarbyl sulfonate) to passivate the contaminant metal....	04/15/1980
4129510	Sulfur-containing compounds and lubricants and fuels containing them Sulfur-containing compounds of the formula ##STR1## WHEREIN R is a hydrocarbyl radical; each of R1, R2, R3 and R4 is independently hydrogen or a hydrocarbyl radical; m' is from one to about five; and each A...	12/12/1978
3992159	Process for purification by cryogenic sublimation A process is described for purifying liquids by cryogenic sublimation. This process involves solidifying the liquid by reducing the temperature and pressure to below the triple point. Purification is then carried out by direct transformation from the soli...	11/16/1976
3954820	Preparation of hydrocarbyl metal halides A process is disclosed for the preparation of hydrocarbyl metal halides, such as alkyl tin chlorides, in which a reaction between the metal in its metallic state and a hydrocarbyl halide is catalyzed by a complex formed between a hydrocarbyl metal halide ...	05/04/1976
3939190	Group V pentavalent atom-containing compositions A compound having the molecular formula: ##EQU1## wherein, M is selected from the group consisting of pentavalent atoms of Group V of the Periodic Table; R1, R2 and R3 are selected from the group consisting of substit...	02/17/1976
3931265	Process for producing anionic metal-containing sulfonates A process for producing oil-soluble anionic metal sulfonates is disclosed wherein an anionic metal acid anhydride or its corresponding hydrate is reacted with an oil-soluble sulfonic acid and a polyamine compound to produce the desired metal sulfonate. Th...	01/06/1976

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Class 556/69 - Sulfur double bonded directly to chalcogen