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Class 568/57 - Thiol or plural thioethers containing


Subclass of Class 568 - Organic compounds -- part of the class 532-570 series
Definition: Compounds which contain at least one -SH group or two or
No. of patents: 110
Last issue date: 09/12/2006


1      
NumberTitleIssue Date
7105630Compound having thermally dissociatable thioacetal skeleton, precursor thereof, cured product thereof, and composition for their production
A compound having thioacetal skeleton, a precursor thereof, a cured product thereof, and a composition for their production are provided for the thermally dissociatable material based on the inventors' finding that a thioacetal group is thermally dissociatable. The ...
09/12/2006
7030277Process and apparatus for catalytic distillations
A process for reacting a first component with itself or a second component to produce a third component in which a first material comprising a first component or said first component and a second component is fed to divided wall column having a catalytic distillatio...
04/18/2006
7026372Enic compounds, sulfur-containing polyenic compound, sulfur-containing polythiol compound, high refractive index photocurable composition and cured product thereof
A composition containing 3,3′-thiobis(propane-1,2-dithiol) and one or more enic compounds which composition is photocurable and can give a cured product having a high refractive index and adequate hardness. ...
04/11/2006
6930206Process and apparatus for catalytic distillations
A process for reacting a first component with itself or a second component to produce a third component in which a first material comprising a first component or said first component and a second component is fed to divided wall column having a catalytic distillatio...
08/16/2005
6875894Bis(alkylthio)carbenium salts
The invention relates to bis(alkylthio)carbenium salts of the formula I with the stated definitions for R1, R2, R3 and Y−, and to a process for the preparation th...
04/05/2005
6740782Sulfur compounds and intermolecular compounds containing the same as the component compounds
The invention aims at providing novel sulfur compounds, molecular compounds containing the same as the component compound, and so on. The above aim is achieved by using sulfur compounds of the general formula (I) wherein Rs are each independently hydrogen, optionall...
05/25/2004
6541671Synthesis of 2H- and 13C-substituted dithanes
The present invention is directed to labeled compounds, [2-13 C]dithiane wherein the 13 C atom is directly bonded to one or two deuterium atoms. The present invention is also directed to processes of preparing [2-13 C]dith...
04/01/2003
6384216Purification of alkenyl compounds
A process for purifying alkenyl compounds having a divalent or trivalent heteroatom in the ଱-position relative to the double bond by distillation comprises carrying out at least two distillations in which the purified alkenyl compounds are obtained ...
05/07/2002
6379590Method 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
6248687Process for presulfurizing a desulfurization catalyst used in a hydrodesulfurization unit of petroleum refinery and presulfurization promoter
Presulfurizing process and presulfurization promoter for a desulfurization catalyst to be used in a hydrodesulfurization unit of petroleum refinery of high molecular hydrocarbons, in which fresh metal oxide in said desulfurization catalyst is sulfurized w...
06/19/2001
6004529Chelating agents
The invention provides a complexant compound of formula I R3 S (CR12)n N(R2)i (CR12)n X(CR12)n N(R2)i (CR1...
12/21/1999
5961954Chealators of type XN1 S1 X1 for radioactive isotopes, their metal complexes and their diagnostic and therapeutical uses
This invention relates to new bifunctional chelating agents with intermittent chalcogen atoms, pharmaceuticals containing these compounds, their use in radiodiagnostics and radiotherapy, and methods for the production of these compounds. The compound acco...
10/05/1999
5932707Thioether-containing metal chelating compounds
Ligands for radiopharmaceutical use are capable of chelating radiometal species and of being bound to biological targeting molecules. The ligands have the formula (a) and (b), where A, A'=--SZ or Y, B=O or S, Y=(c), Z=H or a thiol protecting group, m=2 or...
08/03/1999
5919985Method 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
5834621Novel sulfur-containing compound and method for preparing the same
A novel sulfur-containing compound represented by the general formula (I): ##STR1## wherein n is an integer from 0 to 2; R represents a hydrogen atom, a vinyl group, a methacryloyl group, a vinylbenzyl group, a glycidyl group, an acryloyl group or an...
11/10/1998
5808164Process for producing aromatic sulfides
A process which can be used to produce an aromatic sulfide compound having the formula of (R4-n)(Xn)(W)Ar--S--R' is provided. The process comprises contacting, in the presence of a surfactant, a halo-substituted aromatic compound in ...
09/15/1998
5770729Ozonide reducing agent
The present invention provides an ozonide reducing agent for use in the ozonolysis reaction of an organic compound, the ozonide reducing agent finding wide applications, and being safe and inexpensive from a commercial viewpoint and easy to treat for disp...
06/23/1998
5600035Positive photoactive compounds based on 2,6-dinitro benzyl groups and 2,5-dinitro benzyl groups
Photoreactive compounds are synthesized from 2,5- or 2,6-dintrobenzyl groups. Also disclosed are methods of synthesizing reactive monomers containing 2,5- or 2,6-dintrobenzyl groups....
02/04/1997
5534557Onium salt, photopolymerization initiator, energy ray-curing composition containing the initiator, and cured product
The composition of the present invention is excellent in compatibility, transparency and curability and give a cured coat of excellent gloss and of less smell, and cured products of excellent properties can be obtained by curing the composition. The prese...
07/09/1996
5498730Fluorinated alkyl compound derivatives and process for preparing same
The present invention provides fluorinated alkyl compound derivatives represented by formula of: ##STR1## wherein: R is C2-4 lower alkyl, cyclohexyl or thiophene; phenyl substituted with hydrogen, C1-6 alkyl, haloalkyl, halogen ...
03/12/1996
5478959Method for preparing 1,2-dithiins and precursors of 1,2-dithiins
A method for preparing 1,4-(Z,Z)-disubstituted-1,4-disulfurated-1,3-butadienes is disclosed. The butadienes can be further elaborated to provide 3,6-unsymmetrically-substituted-1,2-dithiins. Also disclosed are butadienes prepared by the method of the...
12/26/1995
5380900଱-methylenecyclopentanone derivative and process for producing the same
Disclosed herein is an ଱-methylene-cyclopentanone derivative represented by the formula [I] below which is useful as an intermediate for pharmaceuticals and insecticides, especially prostaglandins. Also disclosed herein is a process for producing th...
01/10/1995
5371284Phenyl acetylenic acetals
Phenyl acetylenic acetals and thioacetals and their use in the treatment of allergy, asthma, inflammation, arthritis, hyperproliferative skin disease, psoriasis or contact dermatitis are disclosed. Also disclosed are intermediates useful for producing sai...
12/06/1994
5352758Mercapto compound, its preparation process, and sulfur-containing urethane resins and lenses using the same
A mercapto compound represented by the following formula (1): ##STR1## is obtained by reacting, in the presence of a mineral acid, thiourea with a compound represented by the following formula (2): ##STR2## wherein X means a hydroxyl group or a ...
10/04/1994
5321046Hypocholesterolemic unsymmetrical dithiol ketals
Disclosed herein are novel unsymmetrical dithiol ketals which are useful in the treatment or prevention of hypercholesterolemia, hyperlipoproteinemia, and atherosclerosis....
06/14/1994
5302757Ultraviolet light sensitive onium salts
A composition of matter including an onium salt and a method of forming images. The onium salt has a chromophore which absorbs ultraviolet radiation, an S, Se, As, N or P atom which is free of substituents exhibiting a higher energy occupied molecular orb...
04/12/1994
5283312Mercapto compound, its preparation process, and sulfur-containing urethane resins and lenses using the same
A mercapto compound represented by the following formula (1): ##STR1## is obtained by reacting, in the presence of a mineral acid, thiourea with a compound represented by the following formula (2): wherein X means a hydroxyl group or a chlorine or b...
02/01/1994
5254708Substituted cyclic ketones, substituted cyclic enones, and process for producing the same
The present invention relates to substituted cyclopentanone and cyclohexanone derivatives and substituted cyclopentenone and cyclohexenone derivatives, which are useful as intermediates for pharmaceutical products and agricultural chemicals and especially...
10/19/1993
5231221Process for the preparation of acylals
Compounds of the formula ##STR1## can advantageously be prepared by reacting compounds the formula II ##STR2## in which the substituents R1 -R4 have the meanings given, with the anhydride of the formula III ##STR3## ...
07/27/1993
5231208Substituted cyclic ketones, substituted cyclic enones, and process for producing the same
The present invention relates to substituted cyclopentanone and cyclohexanone derivatives and substituted cyclopentenone and cyclohexenone derivatives, which are useful as intermediates for pharmaceutical products and agricultural chemicals and especially...
07/27/1993
5227505Substituted cyclic ketones, substituted cyclic enones, and process for producing the same
The present invention relates to substituted cyclopentanone and cyclohexanone derivatives and substituted cyclopentenone and cyclohexenone derivatives, which are useful as intermediates for pharmaceutical products and agricultural chemicals and especially...
07/13/1993
5225508Optical resin obtained from diethylenically unsaturated monomer
Disclosed are a diethylenicallyunsaturated monomer represented by the following formula [Ia]: ##STR1## wherein n is an integer of from 1 to 10, and a and b each represent 0 or an integer of from 1 to 4, and an optical resin which is substantially ins...
07/06/1993
5225472Low viscosity polythiol and method therefor
A method and composition for decreasing the viscosity of mercaptan terminated polymers. The method involves adding thiol terminated trithio-orthoformate polycondensates to the mercaptan terminated polymer to achieve desired decreases in viscosities withou...
07/06/1993
5216181Liquid telechelic polymers having high 1,4-diene structure
Liquid telechelic polymers are made from dienes and are produced via anionic polymerization. While having low molecular weight, for example less than 15,000, the telechelic polymers are generally gel-free, have high amounts of trans-1,4 structure, low vin...
06/01/1993
51965362-Fluoro-1-methylpyridinium salt activated diols and polyols as cross-linkers
A novel class of cross-linking agent, which comprises a monomeric organic compound having at least two hydroxyl groups each bonded to a different carbon atom, wherein said hydroxyl groups are activated by reaction with 2-fluoro-1-methylpyridinium toluene-...
03/23/1993
5191055Mercapto compound, a high refractive index resin and lens and a process for preparing them
The present invention relates to a mercapto compound, a process for preparing the mercapto compound, a process for preparing a polythiourethane base resin containing the mercapto compound, and a process for preparing plastic lenses containing the resin....
03/02/1993
5189164Processes for the synthesis of syn-(E)-3,5-dihydroxy-7-substituted hept-6-enoic and heptanoic acids and derivatives and intermediates thereof
A process for synthesizing syn-(E)-3,5-dihydroxy-7-substituted hept-6-enoic and heptanoic acids and derivatives and intermediates thereof from the corresponding keto-hydroxy compounds, which process comprises: providing a reaction medium comprising sodium...
02/23/1993
5180852Preparation of bis(organothio) alkanes
A bis(organothio) alkane, such as 1,2-bis(methylthio) hexane, is synthesized by reacting an alkene, such as 1-hexene, with an excess amount of a disulfide thiolating agent, such as dimethyl disulfide, in the presence of a catalytic amount of a catalyst, s...
01/19/1993
5169989Foam slabstock polyether polyols with improved scorch characteristics
An improved process for preparing a polyether polyol of reduced scorching properties comprising buffering of the alkaline polyether polyol before heating to remove water, and the use of said polyether polyol to prepare flexible foam slabstocks....
12/08/1992
5087758Mercapto compound, a high refractive index resin and lens and a process for preparing them
The present invention relates to a mercapto compound, a process for preparing the mercapto compound, a process for preparing a polythiourethane base resin containing the mercapto compound, and a process for preparing plastic lenses containing the resin....
02/11/1992
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