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

Icon_funbox Bizarre Patents

Patent No. 5926874

Automatic Bed Maker

An automatic bed maker which uses the expansion of inflatable bladder to straighten, align, and tuck-in bed-cover assembly.

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 549/501 - Additional chalcogen attached indirectly to the hetero ring by nonionic bonding


Subclass of Class 549 - Organic compounds -- part of the class 532-570 series
Definition: Compounds wherein an additional chalcogen (i.e., oxygen,
No. of patents: 176
Last issue date: 05/07/2013


1          
NumberTitleIssue Date
8436194Process for the preparation of prostaglandin analogues and intermediates thereof
The present application provides intermediates for preparing prostaglandin analogues and processes for preparing prostaglandin analogues and intermediates thereof. The intermediates include: A compound of formula (6): R
05/07/2013
8242293Method for the synthesis of organic acid esters of 5-hydroxymethylfurfural and their use
Method for the manufacture of organic acid esters of 5-hydroxymethylfurfural by reacting a fructose or glucose-containing starting material with an organic acid or its anhydride in the presence of a catalytic or sub-stoechiometric amount of solid acid catalyst. The ...
08/14/2012
7897795Process for the preparation of prostaglandin analogues and intermediates thereof
The present application provides intermediates for preparing prostaglandin analogues and processes for preparing prostaglandin analogues and intermediates thereof. The intermediates include: A compound of formula (6): R
03/01/2011
73616792-phenyl-3-heteroarylpropionic acid derivative or salt thereof and medicine containing the same
The present invention relates to a 2-phenyl-3-heteroarylpropionic acid derivative or a salt thereof, and also relates to a pharmaceutical agent and a VLA-4 and/or LPAM-1 antagonist each of which contains the same as an active ingredient. ...
04/22/2008
7196089EPreceptor antagonists
Compounds of formula (I): wherein: R2 is H or an optionally substituted C1-4 alkyl group; Y is either —(CH2)n—X—, where n is 1 or 2 and X is O, S, S(═O), S(═O...
03/27/2007
7148363Process for preparing acrylate compound
An acrylate compound of formula (4): is produced by allowing an acrylic acid compound of formula (1): to react with an unsaturated compound of formula (2) or...
12/12/2006
7129268Peroxisome proliferator activated receptor-active arylene acetic acid derivatives
Novel compounds of the general formula (I), wherein Ar, R1, R2, X1, X2, Y1, Y, and Z are as defined in the specification, the use of these compounds as pharm...
10/31/2006
6833462Process for preparing acrylate compound
An acrylate compound of formula (4): is produced by allowing an acrylic acid compound of formula (1): to react with an unsaturated compound of formula (2) or (3):
12/21/2004
6797723Heterocycle substituted diphenyl leukotriene antagonists
The invention relates to novel heterocycle substituted diphenyl leukotriene B4 (LTB4) antagonists, to compositions containing such compounds, and to methods of using such compounds for treatment of inflammatory diseases. ...
09/28/2004
6602900Cyclopentane heptan(ENE)oic acid, 2-heteroarylalkenyl derivatives as therapeutic agents
The invention relates to the use of derivatives of F-type prostaglandins as ocular hypotensives. The PGF derivatives used in accordance with the invention are represented by the following formula I: ##STR1## wherein wavy line attachments indicate either t...
08/05/2003
6573390Cyclopentane heptan (ENE)OIC acid, 2-heteroarylalkenyl derivatives as therapeutic agents
The present invention provides cyclopentane heptanoic acid, 2 heteroaryl alkyl or alkenyl derivatives which may be substituted in the 1-position with hydroxyl, alkyloxy, amino and amido groups, e.g. 1-OH cyclopentane heptanoic acid, 2 heteroarylalkenyl de...
06/03/2003
6555577Compounds, their preparation and use
The present invention relates to compounds of the general formula (I) ##STR1## The compounds are useful in the treatment and/or prevention of conditions mediated by nuclear receptors, in particular the Peroxisome Proliferator-Activated Receptors (PPAR)....
04/29/2003
6420392Compounds and methods for the treatment of cardiovascular, inflammatory and immune disorders
2,5-Diaryl tetrahydrofurans, 2,5-diaryl tetrahydrothiophenes, 1,3-diaryl cyclopentanes are disclosed that reduce the chemotaxis and respiratory burst leading to the formation of damaging oxygen radicals of polymorphonuclear leukocytes during an inflammato...
07/16/2002
6225288Gamma-ketoacid dipeptides as inhibitors of caspase-3
Compounds represented by formula I: ##STR1## as well as pharmaceutically acceptable salts, esters and hydrates thereof are disclosed along with pharmaceutical compositions and methods of treatment. The compounds are useful as inhibitors of caspase-3, whic...
05/01/2001
6159988Arylcycloalkyl derivatives, their production and their use
Compounds of formula I, ##STR1## and the physiologically tolerable salts thereof, wherein the substituents R1 -R4 have the meanings given in the specifications and show an activity against inflammatory conditions....
12/12/2000
6143787Pharmaceutical composition containing 4-oxo-butynic acids
The present invention relates to a pharmaceutical composition comprising, as active principle, a compound of formula: ##STR1## in which the groups A and B are chosen, independently of each other, from: a mono-, bi- or tricyclic aryl group having from...
11/07/2000
6096902Cyclopentane heptan(ENE)OIC acid, 2-heteroarylalkenyl derivatives as therapeutic agents
The present invention provides cyclopentane heptanoic acid, 2 heteroaryl alkyl or alkenyl derivatives which may be substituted in the 1-position with hydroxyl, alkyloxy, amino and amido groups, e.g. 1-OH cyclopentane heptanoic acid, 2 heteroarylalkenyl de...
08/01/2000
60309932-hydroxypropionic acid derivative and its manufacturing method
This invention relates to a novel 2-hydroxypropionic acid derivative and its manufacturing method. Based on its mechanism to inhibit the CPT I, 2-hydroxypropionic acid derivative of this invention has blood glucose lowering effects so that the derivative ...
02/29/2000
5985919(Het)aryloxy-, -thio- , aminocrotonates, methods of preparing them and their use as insecticides and fungicides
(Het)aryloxy-, -thio- and -aminocrotonates of the formula I ##STR1## where the substituents have the following meanings: U is oxygen, sulfur or amino; V is oxygen, sulfur, amino or alkylamino; X, Y and Z independently of one another are .dbd.N-- or .dbd.C...
11/16/1999
5968942଱- and ଲ-amino acid hydroxyethylamino sulfonamides useful as retroviral protease inhibitors
଱- and ଲ-amino acid hydroxyethylamino sulfonamide compounds are effective as retroviral protease inhibitors, and in particular as inhibitors of HIV protease....
10/19/1999
5856323Compounds and methods for the treatment of disorders mediated by platelet activating factor or products of 5-lipoxygenase
2,5-Diaryl tetrahydrofurans, 2,5-diaryl tetrahydrothiophenes, 2,4-diaryl tetrahydrofurans, 2,4-diaryl tetrahydrothiophenes, 1,3-diaryl cyclopentanes, 2,4-diaryl pyrrolidines, and 2,5-diaryl pyrrolidines are disclosed that reduce the chemotaxis and respira...
01/05/1999
58081011,3-benzodioxole and 1,2-dialkoxybenzene derivatives as ocular hypotensive agents
Compounds of the formula ##STR1## where the symbols have the meaning defined in the specification, are capable of lowering intraocular pressure in the eye of a mammal....
09/15/1998
5629340Angiogenesis inhibitor and novel compound
An angiogenesis inhibitor comprising, as an active agent, Compound (I) represented by the formula below: ##STR1## where R1 is a lower alkyl group, an alkoxycarbonyl group or a carboxyl group; and R2, R3 and R4
05/13/1997
5602104Polycyclic aromatic derivatives, process for preparing the same and pharmaceutical and cosmetic compositions containing the same
A polycyclic aromatic compound having the formula ##STR1## and its salts have useful therapeutic and cosmetic action particularly in psoriasis. In the formula, X represents --CH.dbd.CH--, O or S, R1 represents hydrogen, branched alkyl having 3-...
02/11/1997
5602196Bisphenol ester derivatives
Stabilisers of formula I ##STR1## wherein R1 and R2 may be C1 -C5 alkyl, the substituents R3 to R8 may be hydrogen, the variable n may be 1 or 2, and, when n is 1, A may be an alkoxy r...
02/11/1997
5527827Bisarylcarbinol cinnamic acids as inhibitors of leukotriene biosynthesis
Compounds having the Formula I: R1 R2 C(OR3)--Ar1 --X--Ar2 --C(Ar3).dbd.CHCO2 H I are inhibitors of leukotriene biosynthesis. These compounds are useful as ...
06/18/1996
5514679Therapeutic phenoxyalklpyridazines and intermediates therefor
Compounds of the formula ##STR1## wherein: R1 and R2 are independently hydrogen, halo, alkyl, alkenyl, alkoxy, hydroxy, hydroxyalkyl, hydroxyhaloalkyl, alkoxyalkyl, alkylthioalkynyl, hydroxyalkoxy, alkylthioalkyl, alkylsulfinyla...
05/07/1996
5514694Peptidyl ketoamides
A novel class of peptide ଱-ketoamides useful for selectively inhibiting serine proteases, selectively inhibiting cysteine proteases, generally inhibiting all serine proteases, and generally inhibiting all cysteine proteases, having the formula Y--CO...
05/07/1996
5463083Compounds and methods for the treatment of cardiovascular, inflammatory and immune disorders
2,5-Diaryl tetrahydrofurans, 2,5-diaryl tetrahydrothiophenes, 1,3-diaryl cyclopentanes are disclosed that reduce the chemotaxis and respiratory burst leading to the formation of damaging oxygen radicals of polymorphonuclear leukocytes during an inflammato...
10/31/1995
5455265Method of treatment with compounds having selective agonist-like activity on RXR retinoid receptors
Process of treatment of mammals, including humans to treat diseases or conditions of the type which are normally treated with retinoid-like compounds is disclosed, with pharmaceutical compositions containing an active compound which is a selective agonist...
10/03/1995
5434151Compounds and methods for the treatment of disorders mediated by platelet activating factor or products of 5-lipoxygenase
2,5-Diaryl tetrahydrofurans, 2,5-diaryl tetrahydrothiophenes, 2,4-diaryl tetrahydrofurans, 2,4-diaryl tetrahydrothiophenes, 1,3-diaryl cyclopentanes, 2,4-diaryl pyrrolidines, and 2,5-diaryl pyrrolidines are disclosed that reduce the chemotaxis and respira...
07/18/1995
5434267Process for the preparation of substituted 3-alkoxyacrylates
Process for the preparation of compounds of the formula (I) ##STR1## in which R1, R2, R3, X and n have the meaning given in the description, by reacting acetates with carbon monoxide in the presence of a basic auxilia...
07/18/1995
5366984Methyl ଱-arylacrylates substituted by a heterocyclic radical and their use
Methyl ଱-arylacrylates substituted by a heterocyclic radical and having the general formula ##STR1## where R is alkyl, alkenyl, haloalkyl, cycloalkyl, alkoxy, alkylcarbonyl, alkoxycarbonyl, halogen or aryl, the aromatic ring being unsubstituted...
11/22/1994
5358938Compounds and methods for the treatment of disorders mediated by platelet activating factor or products of 5-lipoxygenase
2,5-Diaryl tetrahydrofurans, 2,5-diaryl terahydrothiophenes, 2,4-diaryl tetrahydrofurans, 2,4-diaryl tetrahydrothiphenes, 1,3-diaryl cyclopentanes, 2,4-diaryl pyrrolidines, and 2,5-diaryl pyrrolidines are disclosed that reduce the chemotaxis and respirato...
10/25/1994
53388442-substituted-2-cyclopentenone compound and anticancer agent and bone formation accelerator comprising same as active ingredient
A 2-substituted-2-cyclopentenone compound represented by the following formula (I) and an anticancer agent and a bone formation accelerator comprising the same as an effective active ingredient: ##STR1##...
08/16/1994
5300676Herbicidal fluorine-substituted alpha-(5-aryloxynaphthalen-1-yl-oxy)-propionic acid derivatives
Fluorine-substituted ଱-(5-aryloxy-naphthalen-1-yl-oxy)-propionic derivatives of the formula ##STR1## wherein R1, R2, R3, R4 and R5, as defined herein, are useful as herbicides. Processes an...
04/05/1994
5292839Allyl peroxyketal chain transfer agents
Novel unsaturated peroxyketals useful as molecular weight regulators in polymerization reactions are disclosed. Also disclosed are a polymerization process employing these novel unsaturated peroxyketals as molecular weight regulators, polymers and oligome...
03/08/1994
5258521Process of producing optically active propionic acid ester derivatives
Processes for producing optically active ester derivatives are disclosed. According to the present invention an optically active aryloxyphenoxy propionate derivative is produced by reacting a chlorinated heterocyclic aromatic compound with (2R)-2-(4-hydro...
11/02/1993
5258477Monomers and polymers containing acetal and aldehyde groups
Various novel acetal- and aldehyde-containing monomers are prepared. They can be polymerized and copolymerized by conventional polymerization techniques. The polymers contain repeating units derived from one or more ethylenically or allylically unsaturate...
11/02/1993
5238957Esters of 2,2-dimethyl-cyclopropane-carboxylic acid
New esters of 2,2-dimethyl-cyclopropane-carboxylic acid, which are endowed ith insecticidal and acaricidal activity, have the general formula: ##STR1## wherein: represents ##STR2## or a R1 --Y--CF2 --C.tbd.C-- group; Y rep...
08/24/1993
1          
 
Sign InRegister
Username  
Password   
forgot password?