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

Icon_funbox Famous Patents

3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.

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 558/58 - Additional benzene ring containing


Subclass of Class 558 - Organic compounds -- part of the class 532-570 series
Definition: Compounds which contain an additional benzene ring.
No. of patents: 124
Last issue date: 05/06/2008


1        
NumberTitleIssue Date
7367132Contact-type displacement measuring apparatus
A contact-type displacement measuring apparatus includes a first movable body that reciprocates in a first linear direction; a driving unit that drives the first movable body; a second movable body that reciprocates in a second linear direction parallel to the first...
05/06/2008
7335787Method for producing onium salt derivatives, and novel onium salt derivatives
The invention provides a high-yield method for producing onium salt derivatives useful as agents, such as acid-generators, employed in chemically amplified resists; and to provide novel onium salt derivatives. Reaction of an onium salt derivative containing a halide...
02/26/2008
7199155Acetylenic aryl sulfonate hydroxamic acid TACE and matrix metalloproteinase inhibitors
Hydroxamic acids having the formula are useful in treating disease conditions mediated by TNF-□, such as rheumatoid arthritis, graft rejection, cachexia, inflammation, fever, insulin resistance, septic shock, c...
04/03/2007
7053071Induction of apoptosis in cancer cells
The present invention provides compounds that are inducers or inhibitors of apoptosis or apoptosis preceded by cell-cycle arrest. In addition, the present invention provides pharmaceutical compositions and methods for treating mammals with leukemia or other forms of...
05/30/2006
7026339Inhibitors of HCV NS5B polymerase
The present invention relates to compounds, process for their synthesis, compositions and methods for the treatment and prevention of hepatitis C virus (HCV) infection. In particular, the present invention provides novel compounds, pharmaceutical compositions contai...
04/11/2006
6875895Bis (diphenylvinyl) arene compound
Provided is a bis(diphenylvinyl)arene compound having a reactive functional group on phenyl group, represented by below formula (1), wherein, Ar is an arylene group and has one or more substituents; R1-R
04/05/2005
6562542Image-forming material and novel sulfonic acid ester derivative
An image-forming material is described, comprising on an support an acid-generating agent selected from a sulfonic acid ester of a specific structure generating an acid by the action of heat and the polymer thereof, and a compound causing a light absorpti...
05/13/2003
6521663Aminoguanidinyl- and Alkoxyguanidinyl-substituted phenyl acetamides as protease inhibitors
Phenyl acetamide compounds are described, including compounds of Formula I: ##STR1## or a solvate, hydrate or pharmaceutically acceptable salt thereof; wherein R3 -R6, R11, B, Y and W are set forth in the specification. Th...
02/18/2003
6414020Amidino protease inhibitors
Amidino and benzamidino compounds, including compounds of the formula: ##STR1## wherein R1 -R4, R6 -R9, Y, Z, n and m are set forth in the specification, as well as hydrates, solvates or pharmaceutically accepta...
07/02/2002
6407267Method for the preparation of citalopram
A method for the preparation of citalopram comprising reaction of a compound of Formula (IV), ##STR1## wherein R is C1-6 alkyl, acyl, C1-6 alkylsulfonyl or arylsulfonyl, with 3-(N,N-dimethylamino)-propyl magnesium halide, to pre...
06/18/2002
6307084Contact location detecting mechanism of touch signal probe
A contact location detecting mechanism (1) of a touch signal probe (10) includes a rotary motion generator (30) for scanningly moving a stylus (102) on a plane (A), a phase value detector (50) for detecting a phase value (θ) indicating a rotation positio...
10/23/2001
6255517Thymol derivatives having anti-tumor activity, and anti-cancer agent comprising the same
The present invention relates to a thymol derivative represented by following Chemical Formula 1, pharmaceutically acceptable salts or esters thereof, and anti-cancer agents comprising the same as an active ingredient. ##STR1##...
07/03/2001
6221898Amidino derivatives and their use as thrombin inhibitors
There is provided compounds of formula I, ##STR1## wherein R1, R2, R3, Y, n and B have meanings given in the description which are useful as competitive inhibitors of trypsin-like proteases, such as thrombin, and in partic...
04/24/2001
6214435Aminium compounds and optical information recording media containing the same
A novel aminium compound exhibiting excellent solubility for solvents and high safety in terms of handling and environment is provided. An aminium compound represented by the following formula (1): ##STR1## wherein R1 represents substituted or unsub...
04/10/2001
6133315Amidino protease inhibitors
Amidino and benzamidino compounds, including compounds of the formula: ##STR1## wherein R1 -R4, R6 -R9, Y, Z, n and m are set forth in the specification, as well as hydrates, solvates or pharmaceutically ac...
10/17/2000
6106994Production process of polyphenol diesters, and positive photosensitive compositions
A process for producing a polyphenol diester comprises esterifying a polyphenol compound and a naphthoquinone-1,2-diazidesulfonyl halide in the presence of for example monomethyldicyclohexylamine, and a positive photosensitive composition contains the res...
08/22/2000
6040470Sulfonyl compound and thermalsensitive recording medium using the same
There is provided a developer composition including at least one of sulfonyl compounds represented by formula (1) and at least one of sulfonyl compounds represented by formula 2: ##STR1## wherein X is H or lower alkyl, R1, R2, R...
03/21/2000
5830619Resist materials
Photoacid generators advantageous for use in applications such as photoacid generators used in chemically amplified resists are disclosed. These compounds are based on an ortho nitro benzyl configuration employing an ଱ substituent having high bulk, ...
11/03/1998
57080182-aminoindans as selective dopamine D3 ligands
Compounds and their pharmaceutically acceptable salts suitable for treating central nervous system disorders associated with the dopamine D3 receptor activity of Formula I: ##STR1## wherein R1 and R2 are independently chosen fro...
01/13/1998
5670691Method for making a substituted benzene compound
A method for making a substituted benzene compound includes reacting a 2-substituted benzenesulfonate or the 2-substituted benzenesulfonate further substituted in the 3, 4 or 5-position with a lithium compound to form an intermediate; and reacting the int...
09/23/1997
5596017Sulfamide derivatives
Novel pesticidal sulfamide derivatives of the formula ##STR1## in which X is halogen or C1 -C4 -halogenoalkyl, R1 is C1 -C4 -alkyl or C1 -C4 -halogenoalkyl, R2 is hydrogen ...
01/21/1997
5587504Sulfonyloxy-biphenylcarboxylic ester derivatives which are intermediates
The present invention provides an industrially advantageous process for preparing a 2-alkyl-3-(biphenyl-4-yl)methyl-3H-imidazo[4,5-b]pyridine derivative represented by the following formula (II) which is a precursor of an antagonist against an angiotensin...
12/24/1996
5563174Hydrazone compound and insecticide containing said compound as active ingredient
A hydrazone compound of the general formula (I): ##STR1## wherein X is halogen; R1 is hydrogen, optionally substituted C1 -C4 alkyl or optionally substituted C1 -C4 alkoxy; R2 's are i...
10/08/1996
5557002Process for the preparation of biphenyl containing intermediates useful in making angiotensin II receptor antagonists
The present invention provides an industrially advantageous process for preparing a 2-alkyl-3-(biphenyl-4-yl)methyl-3H-imidazo[4,5-b]pyridine derivative represented by the following formula (II) which is a precursor of an antagonist against an angiotensin...
09/17/1996
5536748Hydrazone compound and insecticide containing the same as active ingredient
The present invention provides a hydrazone compound of the formula I: ##STR1## wherein R1 and R2 are the same or different and are independently hydrogen, C1 -C2 alkyl, C1 -C2 alkoxy, ...
07/16/1996
5508461Optically active 1-phenyl-2-substituted propane derivatives and methods of producing the same
An (S)-1-phenyl-2-substituted propane derivative shown by the following formula (I) ##STR1## wherein R1 and R2 represent a lower alkyl group, etc., or R1 and R2 may form together an alkylene group, etc.; R
04/16/1996
5340837Benzophenonehydrazones
Compounds of the formula ##STR1## wherein each of o and p, independently of the other, is 0, 1, 2, 3, 4 or 5, the radicals R1 being the same or different when o is greater than 1 and the radicals R2 being the same or different w...
08/23/1994
5312952Polymerization inhibitor for vinyl aromatics
This invention relates to a vinyl aromatic. Compounds of Structure (I): ##STR1## wherein R is C9 -C20 alkyl, Y is NO2, SO3 R' or H, R' is C1 -C20 alkyl, X is NO2 or C1-C20
05/17/1994
5235084Method for preparing sulfones
A method for preparing a sulfone represented by the following formula: ##STR1## wherein R and R' each represent a lower alkyl group, an aryl group or an aryl group whose nucleus has at least one substituent selected from the group consisting of a hal...
08/10/1993
5221760Alkenoic acid derivatives
An alkenoic acid derivative of the formula ##STR1## in which X and Y are identical or different and represent sulfur, sulfoxide, sulfone, an alkylene chain, --SCH2 --, or oxygen or a direct bond, W represents --CH.dbd.CH-- or --CH2
06/22/1993
5200544Resist materials
A class of resist compositions sensitive to deep ultraviolet radiation includes a resin sensitive to acid and a composition that generates acid upon exposure to such radiation. A group of nitrobenzyl materials is particularly suitable for use as the acid ...
04/06/1993
5130462Cyclobutane derivatives
Cyclobutane derivatives of the formulas ##STR1## wherein P is a hydroxy protecting group and X is a leaving group are useful intermediates in the preparation of antiviral compounds....
07/14/1992
5110975Isocyanatoalkyl sulphonates and a process for their preparation
Isocyanatoalkyl sulphonates of the general formula ##STR1## wherein the substituent meanings are as given in the description are obtained by reacting the corresponding isocyanatoalkyl halides with sulphonic acid esters of the formula ##STR2## ...
05/05/1992
5091560Method for synthesizing acyloxycarboxylic acids
A method for synthesizing an acyloxycarboxylic acid by providing a reaction chamber, establishing sources of an ଱-hydroxycarboxylic acid and an acid chloride, and repeatedly contacting substantially equal molar amounts of the ଱-hydroxycarboxyl...
02/25/1992
4994599Intermediates for producing quinolone-3-carboxylic acids
A process for producing a 1,4-dihydro-4-oxo-quinoline-3-carboxylic acid by reacting an acctophenone with a dialkoxycarbonate to obtain the corresponding ଲ-ketoester, treating the ଲ-ketoester with a trialkylorthoformate in the presence of an ac...
02/19/1991
4931579Indicators for the detection of thiol groups
Indicators for the detection of thio groups are disclosed together with processes for the preparation of such indicators. The indicators of the invention contain compounds having the following general formula ##STR1##...
06/05/1990
4914128Acrylates and fungicides which contain these compounds
Acrylates of the general formula ##STR1## where R1 and R2 independently of one another are each C1 -C8 -alkyl, X is hydrogen, C1 -C4 -alkyl, halogen, C1 -C4 -alko...
04/03/1990
4898962Natural vitamin E intermediate
An asymmetric synthesis for Vitamin E in an optically active pure form for 4-(2,5-diloweralkanoyloxy)-3,4,6-trimethylphenyl-butan-2-one and intermediates therein....
02/06/1990
4873018Optically active compound, process for producing same and liquid crystal composition containing same
An optically active 2-fluoro-1-alkanol compound represented by the formula (Ia): ##STR1## wherein R is an alkyl group having 1-16 carbon atoms, and C* is an asymmetric carbon atom; and an optically active compound derived from the fluoroalkanol ...
10/10/1989
4843094Derivatives of p-guantidinobenzoic acid and pharmaceutical agents containing them as active ingredient
Compounds presented by the general formula: ##STR1## [wherein when Y is oxygen, R2 is H, alkyl, alkoxy, alkoxymethyl, --COOR3, --CH2 COOR3, --CH.dbd.CH--COOR3, halogen, --CF3, --COR
06/27/1989
1        
 
Sign InRegister
Username  
Password   
forgot password?