U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 5979328

Vehicular Impact Signaling Device

An apparatus for the deployment of a visible plume to alert other motorists that a proximate motor vehicle has been involved in a collision.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 568/13 - Sulfur or oxygen containing


Subclass of Class 568 - Organic compounds -- part of the class 532-570 series
Definition: Compounds which contain sulfur or oxygen.
No. of applications: 39
Last issue date: 05/24/2012


Application No.Application TitleIssue Date
20120129969D1479 STABLE LIQUID BAP PHOTOINITIATOR AND ITS USE IN RADIATION CURABLE COMPOSITIONS
The invention relates to radiation curable compositions comprising a liquid 0/s(acyl)phosphine photo initiators of formula (Ï): wherein each of Ar1, Ar2 and Ar3 is independently a substituted or unsubstituted aryl group. The invention a...
05/24/2012
20110300482SULFONIUM SALT, PHOTO-ACID GENERATOR, AND PHOTOSENSITIVE RESIN COMPOSITION
There is provided a sulfonium salt having high photosensitivity to the i-line. The invention relates to a sulfonium salt represented by formula (1) described below: [in formula (1), R1 to R6 each independently represent an alkyl group, a hydroxy gr...
12/08/2011
20110247459Compound, Metal Extractant, and Application of the Same
To provide a compound represented by General Formula (1) below,

    • where R denotes a C1-C10...
10/13/2011
20110215274FERROELECTRIC LIQUID CRYSTAL MIXTURE WITH ORGANIC ION PAIR COMPOUND
Ferroelectric liquid crystal compositions including organic ion pair compounds wherein image sticking is reduced or eliminated. Use of the ferroelectric liquid crystal compositions in a ferroelectric liquid crystal display device allows for rapid image refresh rates wit...
09/08/2011
20110190505Iodonium Cyclophanes for SECURE Arene Functionalization
This disclosure relates to compounds, reagents, and methods useful in the synthesis of aryl fluorides, for example, in the preparation of 18F labeled radiotracers. For example, this disclosure provides universal “locked” aryl substituents that result in S...
08/04/2011
20110152523CATALYST FOR CROSS-COUPLING REACTION, AND PROCESS FOR PRODUCTION OF AROMATIC COMPOUND USING THE SAME
The present invention provides a process for efficiently producing an alkylated aromatic compound in good yield, by a cross-coupling reaction between an alkyl halide and an aromatic magnesium reagent. A process for producing an aromatic compound represented by Formula (...
06/23/2011
20110098485BIDENTATE SECONDARY PHOSPHINE OXIDE CHIRAL LIGANDS FOR USE IN ASYMMETRIC ADDITION REACTIONS
Compounds of the formula I, in the form of mixtures comprising predominantly one enantiomer or in the form of pure enantiomers, secondary phosphine-Q-P*(═O)HR1 (I) in which secondary phosphine is a C-bonded, secondary phosphine group —P(R)2; in...
04/28/2011
20110087013Friedel-Crafts acylation for the synthesis of aryl- and heteroaryl-(3-ethyl-4-nitrophenyl)-methanones
The present invention concerns a synthesis process comprising the following steps (i) reacting 3-ethyl-4-nitrobenzoic acid with thionyl chloride to produce a 3-ethyl-4-nitrobenzoic acid chloride or a 3-ethyl-4-nitrobenzoic acid anhydride from 3-ethyl-4-nitrobenzoic acid...
04/14/2011
20110054204SULFONATED ORGANOPHOSPHINE COMPOUNDS AND USE THEREOF IN HYDROFORMYLATION PROCESSES
A compound comprising a class of sulfonated triorganophosphine compounds of formula R1R2P—R3[—O—(CH2)n—(SO3M)]m, wherein the R1 and R2 are selected individually fr...
03/03/2011
20110054205SULFONATED ORGANOPHOSPHINE COMPOUNDS AND USE THEREOF IN HYDROFORMYLATION PROCESSES
A compound comprising a sulfonated triorganophosphine of formula R1R2PR3[SO3M)]n, wherein R1 and R2 are selected individually from alkyl, aralkyl, and alicyclic groups; wherein R3 re...
03/03/2011
20110054203SULFONATED ORGANOPHOSPHINE COMPOUNDS AND USE IN HYDROFORMYLATION PROCESSES
A compound comprising a sulfonated dihydrocarbyl(arylalkyl)phosphine of formula R1R2PR3—(SO3M)n, wherein the R1 and R2 are selected individually from alkyl, aralkyl, and alicyclic groups, and...
03/03/2011
20110028718PARACYCLOPHANE-BASED LIGANDS, THEIR PREPARATION AND USE IN CATALYSIS
A substituted paracyclophane is described of formula (I) wherein X1 and X2 are linking groups comprising between 2 to 4 carbon atoms, Y1 and Y2 are selected from the group consisting of hydrogen, halide, oxygen, nitrogen, alky...
02/03/2011
20100233444Composition,article, its manufacture and use
A composition comprising a polymer which contains hydroxyl groups, the composition being suitable as a coating for an IR-imagable lithographic precursor, the composition comprising one or more agent(s) which: a) absorbs IR radiation of wavelength greater than 800 nm and...
09/16/2010
20100168456CHIRAL PHOSPHOROUS COMPOUNDS
The present invention provides P-chiral compounds of general formulae (II) and (III): in formula (II) at least one of R21, R25, R26 and R30 is independently selected from CM alkyl, CF3, C1-4 alkoxy, pheny...
07/01/2010
20100145060Schwartz Reagents: Methods of In Situ Generation and Use
Embodiments of the invention provide a method of using Schwartz Reagent, Cp2Zr(H)Cl, without accumulating or isolating it. Methods provide mixtures of Cp2ZrCl2, reductants that selectively reduce Cp2ZrCl2, and subst...
06/10/2010
20100126842HIGH TEMPERATURE NAPHTHENIC ACID CORROSION INHIBITION USING ORGANOPHOSPHOROUS SULPHUR COMPOUNDS AND COMBINATIONS THEREOF
The present invention relates to the field of processing hydrocarbons which causes corrosion in the metal surfaces of processing units. The invention addresses the technical problem of high temperature naphthenic acid corrosion and sulphur corrosion and provides a solut...
05/27/2010
20100113255NOVEL CARBONYLATION LIGANDS AND THEIR USE IN THE CARBONYLATION OF ETHYLENICALLY UNSATURATED COMPOUNDS
Novel bidentate ligands of general formula (I) are described Formula (I): R represents a hydrocarbyl aromatic structure. The substituent(s) Yx on the aromatic structure has a total X=1-n ΣtYX of atoms other than hydrogen such that X-1-nΣtY...
05/06/2010
20100099649SITE-SPECIFIC CHEMICAL MODIFICATION OF PROTEINS AT THEIR N-TERMINI, ENABLING THE FORMATION OF HOMOGENEOUS ADDUCTS
Site-specific modifications of proteins at their N-termini are provided. In particular, a chemical modification of proteins at their N-termini via a transamination reaction to form homogeneous adducts such as, the corresponding oxime derivatives is provided. Methods of ...
04/22/2010
20100069618PROCESS FOR PREPARING MATERIALS BY GRAFTING HALOGENATED PHOSPHORUS-CONTAINING GROUPS ONTO AN INORGANIC SURFACE
The invention concerns a process for preparing a hybrid organic-inorganic material (HOIM) with phosphorus-containing bridges between the surface of an inorganic substrate containing an element M and one or more organic groups of the covalent M-O-P-R type, said process u...
03/18/2010
20090287016Transition-Metal-Catalyzed Carbon-Nitrogen and Carbon-Carbon Bond-Forming Reactions
One aspect of the present invention relates to ligands for transition metals. A second aspect of the present invention relates to the use of catalysts comprising these ligands in various transition-metal-catalyzed carbon-heteroatom and carbon-carbon bond-forming reactio...
11/19/2009
20090221820Ligands for Transition-Metal-Catalyzed Cross-Couplings, and Methods of Use Thereof
Ligands for transition metals are disclosed herein, which may be used in various transition-metal-catalyzed carbon-heteroatom and carbon-carbon bond-forming reactions. The disclosed methods provide improvements in many features of the transition-metal-catalyzed reaction...
09/03/2009
20090105505PROCESS FOR THE PREPARATION OF ASYMMETRICALLY SUBSTITUTED BIARYLDIPHOSPHINES
A process for the preparation of asymmetrically substituted biaryldiphosphine ligands of the formula:

wherein R1 is C1-6-alkyl or C3-10-cycloalkyl optionally being substituted...

04/23/2009
20090048467METHODS FOR MAKING IMMOBILIZED ARYL-CONTAINING LIGANDS
Organic ligands that contain at least one aryl group are immobilized on a solid support. The organic ligands are of the type used to form a catalyst complex suitable for carrying out a catalytic reaction, preferably an asymmetric reaction. To immobilize the organic liga...
02/19/2009
20080306260Method for Producing Aryl Amines, Aryl Ethers and Aryl Thioethers
The invention relates to a method for producing aryl or heteroaryl amines, ethers or thioethers (III) by cross-coupling primary or secondary amities, alcohols or thioalcohols with substituted aryl or heteroaryl compounds (I) in the presence of a Brønsted base and a cat...
12/11/2008
20080297044Method for manufacturing metal sulfide nnocrystals using thiol compound as sulfur precursor
A metal sulfide nanocrystal manufactured by a method of reacting a metal precursor and an alkyl thiol in a solvent, wherein the alkyl thiol reacts with the metal precursor to form the metal sulfide nanocrystals, wherein the alkyl thiol is present on the surface of the m...
12/04/2008
20080242534NOVEL BISPHOSPHINE LIGAND
A compound represented by the following general formula (I):

[wherein R1 represents hydrogen atom, or an alkyl group, R2 represents a hydroxyalkyl group, or a triarylmethyloxyalkyl group...

10/02/2008
20080221363Process for the Monosulfonation of Aromatic Phosphines, and Zwitterionic Product Derived Therefrom
A method of preparing an aromatic phosphine monosulfonate in zwitterionic form, such as dicyclohexylphenylphosphine monosulfonate zwitterion, involving contacting an aromatic phosphine with a sulfonating agent to provide a reaction mixture containing aromatic phosphine ...
09/11/2008
20080214801CHEMOSELECTIVE LIGATION
The present invention features a chemoselective ligation reaction that can be carried out under physiological conditions. In general, the invention involves condensation of a specifically engineered phosphine, which can provide for formation of an amide bond between the...
09/04/2008
20080108720Method for manufacturing monosulfonium salt, cationic polymerization initiator, curable composition, and cured product
A monosulfonium salt in which very little unreacted raw material remains, which has a purity of at least 96%, and which has one sulfonio group in its molecule is manufactured without a refining step. After (a) an aryl compound, (b) a sulfoxide compound, (c) a dehydratin...
05/08/2008
20080004464Process for Preparing Acylphosphanes and Derivatives Thereof
The invention relates to a process for the preparation of (bis)acylphosphanes of formula I, wherein n and m are each independently of the other 1 or 2; R1 if n=1, is e.g. unsubstituted or substituted C1-C18alkyl or C2-C18alken...
01/03/2008
20070244342Process for Preparing Solid Particles of Phenolic Antioxidants
The invention relates to a process for preparing solid particles comprising a phenolic antioxidant in essentially crystalline form and to the process step of further processing the phenolic antioxidants. Solid particles are prepared from a melt of the phenolic antioxida...
10/18/2007
20070238709Mitoquinone Derivatives Used as Mitochondrially Targeted Antioxidants
This invention relates to methods to screen for, identify, select and synthesise amphiphilic mitochondrially targeted antioxidant compounds, and compositions, dosage forms and methods reliant on said compounds. The exemplified compounds are all mitoquinone derivatives, ...
10/11/2007
20070221890Phosphorus Containing Compounds Useful for Making Halogen-Free, Ignition-Resistant Polymer
Phosphorus-containing compounds are disclosed which are obtainable by reacting: (A) at least one organophosphorus compound having a group selected from the group H—P═O; the group P—H and the group P—OH; and (B) at least one compound having the following Formula ...
09/27/2007
20070217965Methods, compositions, and apparatuses for forming macrocyclic compounds
This invention relates to methods, compositions, and apparatuses for producing macrocyclic compounds. First, one or more reactants are provided in a reaction medium, which are capable of forming the macrocyclic compound through a desired reaction pathway that includes a...
09/20/2007
20070123727Process for fluoro derivative-substituted aryl pnictogens and their oxides
A process to prepare substituted aryl pnictogen derivatives comprising contacting a fluoropolyether or fluoroalkyl primary bromide or iodide, with a pnictogen derivative such as triaryl phosphine, triaryl arsine, or triaryl stibine or triaryl phosphine oxide, triaryl ar...
05/31/2007
20070082248Solid acid, polymer electrolyte membrane including the same, and fuel cell using the polymer electrolyte membrane
A solid acid having a core of calixarene or calix resorcinarene. The solid acid is an ion conducting compound in which at least one of the hydroxyl groups is substituted by an organic group having a cation exchange group at a terminal end, a polymer electrolyte membrane...
04/12/2007
20060092596Additive for nonaqueous electrolytic solution of electric double layer capacitor and nonaqueous electrolyte electric double layer capacitor
The invention is concerned with an additive for a non-aqueous electrolyte of an electric double layer capacitor having a high dissolving power of a support salt and a low viscosity and comprising a phosphazene derivative represented by the following formula (I):
05/04/2006
20050164874Bisphosphine process for producing the same and use thereof
Bisphosphines represented by the general formula (I)
wherein Ar1 and Ar2 each represents an arylene group which may be substituted; R1 and R2 each represents an alkyl group which may be substituted, or an aryl group ...
07/28/2005
20050096480Novel process for producing 1,2-diol
A process for producing a 1,2-diol through the reaction of an olefin with hydrogen peroxide. The process is highly efficient and highly selective and catalyst recovery and reuse are easy. It does not use any strong acid or strong base causative of apparatus corrosion. T...
05/05/2005
 
Sign InRegister
Username  
Password   
forgot password?