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

Icon_funbox Bizarre Patents

Patent No. 5719655

System for magnetically attaching templeless eyewear to a person

A system of eyewear that eliminates the need for hinges on the frames of the eyewear.

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 549/1 - Sulfur containing hetero ring (e.g., thiiranes, etc.)


Subclass of Class 549 - Organic compounds -- part of the class 532-570 series
Definition: Compounds under Class 540, ... which contain a hetero ring
No. of patents: 65
Last issue date: 10/25/2011


1    
NumberTitleIssue Date
8044217White-emitting copolymers, representation, and use thereof
The present invention relates to white-emitting copolymers which are obtained by a combination of blue-, green- and red-emitting repeating units. The copolymers of the invention display better film formation and an improved efficiency when used in polymeric organic ...
10/25/2011
7301705Alicyclic compound for optical material
The alicyclic compound of the present invention has a five- or more membered ring structure having an epithioethylene linkage and/or an epidithioethylene linkage, and has tow or more sulfur atoms in its molecule. Optical materials produced by curing the alicyclic co...
11/27/2007
7204857Dyeing method using a specific active methylene compound and a compound selected among a specific aldehyde, a specific ketone, a quinone and a di-imino-isoindoline or 3-amino-isoindolone derivative
The present invention relates to the use, for dyeing keratin fibres, of at least one specific compound containing active methylene and of at least one compound chosen from an aldehyde, a ketone, a quinone and a diiminoisoindoline or 3-aminoisoindolone derivative, wh...
04/17/2007
7201788Process for the production of a boron salt and its use in the agronomic field
The present invention relates to a process for the production of potassium octoborate hydrate which comprises the dissolution of boric acid and caustic potash in an aqueous solution brought to a temperature of 95° C., the drying of the product obtained and its grin...
04/10/2007
7094896Diaminothiazoles having antiproliferative activity
Disclosed are novel diaminothiazoles that are selective inhibitors of Cdk4. These compounds and their pharmaceutically acceptable salts and esters are anti-proliferative agents useful in the treatment or control of solid tumors, in particular breast, colon, lung and...
08/22/2006
7067510Dihydro-dibenzo[b,e]oxepine based selective estrogren receptor modulators, compositions and methods
The present invention provides a compound of the formula (I) wherein R1 is —H, —OH, —O(C1–C4 alkyl), —OCOC6H5, —OCO(C1–C6 alkyl), or —OSO2(C2–C6...
06/27/2006
7014968Organophotoreceptor with charge transport material having a thiiranyl group
Improved organophotoreceptor comprises a photoconductive element comprising: (a) a charge transport material having the formula where Y1 and Y2 are, each ...
03/21/2006
7012120Reworkable compositions of oxirane(s) or thirane(s)-containing resin and curing agent
This invention relates to thermosetting resin compositions useful for mounting onto a circuit board semiconductor devices, such as CSPs, BGAs, LGAs and the like, each of which having a semiconductor chip, such as LSI, on a carrier substrate. The compositions of this...
03/14/2006
7011918Polymeric charge transport compositions for organophotoreceptors
This invention includes an organophotoreceptor having an electrically conductive substrate and photoconductive element on the electrically conductive substrate, the photoconductive element having a) a polymeric charge transport com...
03/14/2006
6924276Diacid-substituted heteroaryl derivatives as matrix metalloproteinase inhibitors
The invention provides dicarboxylic acid-substituted heteroaryl derivatives of the formula G1-(C(R1)R2)n-Q1-B-Q2-(C(R3)R4)m-G2  I or...
08/02/2005
6887737Epoxidized acetals and thioacetals, episulfidized acetals and thioacetals, and reworkable thermosetting resin compositions formulated therefrom
This invention relates to epoxidized acetals and thioacetals, episulfidized acetals and thioacetals, thermosetting resin compositions based on such epoxidized acetals and thioacetals, episulfidized acetals and thioacetals, reaction products of which are controllably...
05/03/2005
6858602Compounds for the treatment of metabolic disorders
Compounds useful for the treatment of various metabolic disorders, such as insulin resistance syndrome, diabetes, hyperlipidemia, fatty liver disease, cachexia, obesity, atherosclerosis and arteriosclerosis, are disclosed. ...
02/22/2005
6841669Functionalized thiophene oligomers and their use as fluorescent markers
Thiophene oligomers which are excitable in the visible and ultraviolet region and each having at least one functional group able to form a covalent bond with organic and/or biological molecules, so as not to alter either the fluorescence properties of the oligomers ...
01/11/2005
6764777Sulfur-containing compound and light-emitting device using same
The compound represented by the general formula (I): wherein each of R1 to R12 and RA1 to RA6 represents a hydrogen atom or a substituent group, and adjacent groups of R1 ...
07/20/2004
6696576Thiacrown polymers for removal of mercury from waste streams
Thiacrown polymers immobilized to a polystyrene-divinylbenzene matrix react with Hg2+ under a variety of conditions to efficiently and selectively remove Hg2+ ions from acidic aqueous solutions, even in the presence of a variety of o...
02/24/2004
6631021Polyfunctional thiirane compounds
Describes novel polyfunctional thiiranes. Also described are polymerizable compositions comprising such novel polyfunctional thiiranes, and polymerizates, e.g., optical lenses, prepared therefrom. The described polymerizates may have a refractive index of...
10/07/2003
6592631p-Aminophenol derivative compounds and dye compositions containing same
The p-aminophenol derivative compounds of formula (I), or their physiologically compatible water-soluble salts: ##STR1## are useful as developer compounds in oxidation dye compositions for keratin fibers. Oxidation dye compositions for keratin fibers, inc...
07/15/2003
6572980Reworkable thermosetting resin compositions
This invention relates to thermosetting resin compositions useful for mounting onto a circuit board semiconductor devices, such as CSPs, BGAs, LGAs and the like, each of which having a semiconductor chip, such as LSI, on a carrier substrate. The compositi...
06/03/2003
6514434Electro-optic chromophore bridge compounds and donor-bridge compounds for polymeric thin film waveguides
The present invention is directed to electro-optico chromophore bridge compounds and donor-bridge compounds which can be used in the preparation of polymeric thin films for waveguide media....
02/04/2003
6407137Dopamine analog amide
The invention involves the formation of a prodrug from a fatty acid carrier and a neuroactive drug. The prodrug is stable in the environment of both the stomach and the bloodstream and may be delivered by ingestion. The prodrug passes readily through the ...
06/18/2002
6355365Molecular compound, luminous material using the same, and luminous element
Provided is a new molecular compound excellent in luminous property, which has a molecular structure wherein a thiophene ring and a benzene (or naphthalene) ring are directly bonded to each other, as a molecular compound making it possible to control its ...
03/12/2002
6355671SULFONATED DERIVATIVES OF CYCLIC PHENOL SULFIDES, PROCESS FOR THE PREPARATION THEREOF, SEPARATING AND RECOVERING AGENTS CONTAINING CYCLIC PHENOL SULFIDES, METHODS FOR SEPARATION AND RECOVERY THEREWITH, AND DRUG COMPOSITIONS CONTAINING THE SULFIDES
A sulfonic acid compound of a cyclic phenol sulfide represented by formula (1): ##STR1## (wherein X represents a hydrogen atom, a hydrocarbon group, or an acyl group; M represents a hydrogen atom, an alkyl group, a metal, ammonium, (lower-alkyl)ammon...
03/12/2002
6346652Asymmetric ring-closing metathesis reactions involving achiral and meso substrates
A composition and method for the catalytic conversion of a racemic mixture of dienes to a cyclic olefin by a ring-closing metathesis (RCM) reaction are disclosed. The composition, a transition metal complex with an M.dbd.C reaction site, contains a bident...
02/12/2002
6258836Dopamine analog amide
The invention involves the formation of a prodrug from a fatty acid carrier and a neuroactive drug. The prodrug is stable in the environment of both the stomach and the bloodstream and may be delivered by ingestion. The prodrug passes readily through the ...
07/10/2001
6147225Thiacrown ether compound
Thiacrown ether and polymeric thiacrown ether compounds are disclosed. The thiacrown ether ring structures are substituted and have from 4 to about 10 sulfur atoms on each of the crown rings. The polymeric thiacrown ether ring structures are substituted w...
11/14/2000
6136984Solid phase and combinatorial synthesis of substituted thiophenes and of arrays of substituted thiophenes
A solid phase method for the synthesis of a plurality of differently substituted thiophenes with a wide variety of side-chain substituents as compounds of potential therapeutic interest is disclosed. The thiophenes are prepared by acylation of a substrate...
10/24/2000
6025371Solid phase and combinatorial library syntheses of fused 2,4-pyrimidinediones
The invention provides chemistry libraries containing fused 2,4-pyrimidinediones. The invention also provides methods for the construction of fused 2,4-pyrimidinedione containing libraries. The invention further provides methods for the identification of ...
02/15/2000
5994392Antipsychotic prodrugs comprising an antipsychotic agent coupled to an unsaturated fatty acid
The invention involves the formation of a prodrug from a fatty acid carrier and a neuroactive drug. The prodrug is stable in the environment of both the stomach and the bloodstream and may be delivered by ingestion. The prodrug passes readily through the ...
11/30/1999
5994143Polymeric fluorophores enhanced by moieties providing a hydrophobic and conformationally restrictive microenvironment
Fluorescent conjugates suitable for use in flow cytometry and other biological applications. The fluorescent conjugates comprise an antibody having a polymeric dye bound thereto. The polymeric dye is preferably enhanced by a hydrophobic and conformational...
11/30/1999
5942387Combinatorial process for preparing substituted thiophene libraries
This invention relates to a novel solid phase process for the preparation of thiophene combinatorial libraries. These libraries have use for drug discovery and are used to form wellplate components of novel assay kits....
08/24/1999
5929232Stereoselective ring opening reactions
The present invention relates to a process for stereoselective or regioselective chemical synthesis which generally comprises reacting a nucleophile and a chiral or prochiral cyclic substrate in the presence of a non-racemic chiral catalyst to produce a s...
07/27/1999
5861138Ligands for MRI contrast agent
Novel ligands for use in MRI contrast agents and which have the formula ##STR1## wherein R1 -R14, M", l, m, and n are defined herein....
01/19/1999
5833944Procedure for the solid phase synthesis of 35 S-labeled oligonucleotides with 3H-1,2-benzodithiol-3-one-1,1-dioxide
This invention provides a novel compound for 35 S-labelling oligonucleotides. The compound is 35 S-3H-1,2-benzodithiol-3-one-1,1 dioxide (1) ##STR1## wherein the asterisk indicates the position of the 35 S. Also ...
11/10/1998
5824808Cyclic phenol sulfide and process for producing the same
A cyclic phenol sulfide represented by the following formula (1) is described: ##STR1## wherein X represents a hydrogen atom, a hydrocarbon group, or an acyl group; Y1 represents a hydrogen atom, a hydrocarbon group, a halogenated hyd...
10/20/1998
5808094Preparation of mixed crystals and solid solutions of 1,4-diketopyrrolopyrroles
A process for the preparation of mixed crystals of 1,4-diketopyrrolo›3,4-c!pyrroles, consisting of 1 mol each of two different compounds of formula ##STR1## by heating a corresponding mixture in solid form to the temperature range from 220° to...
09/15/1998
5763620Process for producing alkylene sulfide
A process for producing an alkylene sulfide, which comprises the step of subjecting a mercaptoalkanol to an intramolecular dehydration reaction in the presence of an acidic dehydration catalyst, to produce the alkylene sulfide, in which the intramolecular...
06/09/1998
5733924DC 107 derivatives and treatment methods
DC107 derivatives represented by the formula (I): ##STR1## or pharmacologically acceptable slats thereof, ›wherein R1 is hydrogen, lower alkoxyalkyl, aralkyloxyalkyl, lower alkoxyalkoxyalkyl, lower alkoxyalkoxyalkoxyalkyl, aralkyl, tetrah...
03/31/1998
5663368Synthesis of acid addition salts of hydroxylamines
This invention relates to novel diastereomeric acid addition salts of homochiral hydroxylamines, to processes for obtaining such, to processes for the conversion thereof to the corresponding homochiral hydroxylamines, to certain novel homochiral hydroxyla...
09/02/1997
5622821Luminescent lanthanide chelates and methods of use
The invention provides lanthanide chelates capable of intense luminescence. The celates comprise a lanthanide chelator covalently joined to a coumarin-like or quinolone-like sensitizer. Exemplary sensitzers include 2- or 4-quinolones, 2- or 4-coumarins, o...
04/22/1997
5532228Side-chain homologous vitamin D derivatives, process for their production, pharmaceutical preparations containing these derivatives and their use as pharmaceutical agents
The invention discloses side-chain homologous vitamin D derivatives of formula I ##STR1## in which R1, R2, R3, R4, R5, R6, B, and D have the meanings defined in the specification and e...
07/02/1996
1    
 
Sign InRegister
Username  
Password   
forgot password?