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

Icon_funbox Famous Patents

The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.

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 549/318 - Acyclic -C(=X)-, wherein X is chalcogen, attached directly or indirectly to the lactone ring by nonionic bonding


Subclass of Class 549 - Organic compounds -- part of the class 532-570 series
Definition: Compounds wherein an acyclic -- group, in which X is chalcogen
No. of patents: 99
Last issue date: 04/11/2006


1      
NumberTitleIssue Date
7026351Cyclic 1-(acyloxy)-alkyl prodrugs of GABA analogs, compositions and uses thereof
The present invention provides cyclic 1-(acyloxy)-alkyl prodrugs of GABA analogs, methods of making cyclic 1-(acyloxy)-alkyl prodrugs of GABA analogs and compositions of cyclic 1-(acyloxy)-alkyl prodrugs of GABA analogs. The present invention also provides methods o...
04/11/2006
6838128High polarization dopants for ferroelectric liquid crystal compositions
The invention relates to chiral nonracemic liquid crystal compounds which are useful as components in liquid crystal compositions to impart high polarization to the mixture. The materials of this invention can be combined with liquid crystal host materials to impart...
01/04/2005
6828276Herbicidally active benzoylcyclohexanediones
There are described benzoylcyclohexanediones of the formula I, their preparation, and their use as herbicides and plant growth regulators. In this formula (I), C1, C2, C3 are cyclic radic...
12/07/2004
6489492Chiral derivatives of Garcinia acid bearing lactone ring moiety and process for preparing the same
The present invention relates to a novel chiral derivative of Garcinia acid bearing lactone ring moiety of formula I, ##STR1## wherein: R1 =R3 =alkali salt of carboxyl acid, or acid chloride or lower esters or part of N-substituted c...
12/03/2002
6486196Anticancer compounds: process for their preparation and pharmaceutical compositions containing them
The present invention relates to novel anticancer agents, their stereoisomers, their polymorphs, their pharmaceutically acceptable salts, and their pharmaceutically acceptable solvates. The present invention more particularly relates to novel derivatives ...
11/26/2002
6395724Multibinding inhibitors of cyclooxygenase-2
Disclosed are multibinding compounds which inhibit cyclooxygenase-2 (COX-2), an enzyme which catalyzes the first committed step in the biosynthesis of prostaglandins. The multibinding compounds of this invention containing from 2 to 10 ligands covalently ...
05/28/2002
6388101Chemical-sensitization photoresist composition
Proposed is a chemical-sensitization positive-working photoresist composition for photolithographic patterning in the manufacture of semiconductor devices having high transparency even to ultraviolet light of very short wavelength such as ArF excimer lase...
05/14/2002
6313321Process for preparing ଲ-hydroxy-γ-butyrolactones and ଲ-(meth)acryloyloxy-γ-butrolactones
The present invention provides a process for preparing ଲ-hydroxy-γ-butyrolactone or ଲ-methyl-ଲ-hydroxy-γ-butyrolactone represented by the formula (1): ##STR1## wherein R1 is hydrogen or methyl, which entails a) cyanatin...
11/06/2001
6271180Substituted phenyl keto enols as pesticides and herbicides
The present invention relates to novel compounds of the formula (I) ##STR1## in which Het represents one of the groups ##STR2## in which A, B, D, G, V, W, X, Y and Z are as defined in the description, processes and intermediates for their preparation, and...
08/07/2001
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
6166070Kodaistatins A, B, C and D, a process for their production and their use
Kodaistatins A and B, compounds of the molecular formula C35 H34 O11, and Kodaistatins C and D, compounds of the molecular formula C35 H34 O12, have antidiabetic activity....
12/26/2000
6147228Convenient method for the large scale isolation of garcinia acid
A process for the isolation of Garcinia acid from the fresh or dried rinds of the fruits of Garcinia indica, Garcinia cambogia and/or Garcinia atroviridis....
11/14/2000
6100292Ketone derivatives and their medical applications
This invention relates to ketones represented by the following formula ##STR1## and to drugs in which such a ketone or pharmacologically acceptable salt thereof is an effective component. The ketones of the present invention encourage the production of pl...
08/08/2000
6060046Antifouling compositions
An antifouling composition that comprises an effective amount of a furanone of the structure shown and a suitable carrier therefor. In the figure, substituents R1, R2 and R3 are each a hydrogen atom, a hydroxyl group, an a...
05/09/2000
6017951Butenolide endothelin antagonists
Novel nonpeptides characterized as having a carbamic group which are antagonists of endothelin I are described, as well as methods for their preparation and pharmaceutical compositions containing the same. The compounds are useful in treating elevated lev...
01/25/2000
5998408Triterpene derivatives with immunosuppressant activity
The compounds of Formula I ##STR1## are useful as immunosuppressive agents....
12/07/1999
5922759Butenolide endothelin antagonists
Novel nonpeptides characterized as having a carbarimic group which are antagonists of endothelin I are described, as well as methods for their preparation and pharmaceutical compositions containing the same. The compounds as useful in treating elevated le...
07/13/1999
5905090Analogues of the active metabolite of leflunomide
Analogues of the active metabolite of leflunomide, and to the use thereof as immunosuppressive and/or antinflammatory agents....
05/18/1999
5869524Indene inhibitors of COX-2
This invention provides compounds of formula 1 having the structure ##STR1## wherein: R1 is hydrogen, halogen, alkyl, alkoxy, fluoroalkoxy, trifluoromethyl, alkylthio, or SCF3 R2 and R3 are each independently, h...
02/09/1999
5849217Optically active compound, liquid crystal composition containing the same, liquid crystal device using the same, liquid crystal apparatus and display method
An optically active compound represented by the formula R1 --A1 --A2 --X1 --A3 --(CH2)p --L--A4 --R2, in which R1 is F, CN or straight chain, branched...
12/15/1998
5747505Heterocyclic aryl-, alkyl- and cycloalkylacetamides
The heterocyclic aryl-, alkyl- and cycloalklacetamides are prepared by reacting the appropriately substituted acetic acids with amines, if appropriate in complexed form. The heterocyclic aryl-, alkyl- and cycloalkylacetamides can be used as active compoun...
05/05/1998
5714484଱-(1,3-dicarbonylenol ether) methyl ketones as cysteine protease inhibitors
Cysteine protease inhibitors which deactivate the protease by covalently bonding to the cysteine protease and releasing the enolate of a 1,3-dicarbonyl (or its enolic form). The cysteine protease inhibitors of the present invention accordingly comprise a ...
02/03/1998
5691373Nonpeptide endothelin antagonists I
Novel nonpeptide antagonists of endothelin I are described, as well as methods for the preparation and pharmaceutical compositions of the same, which are useful in treating elevated levels of endothelin, acute and chronic renal failure, hypertension, myoc...
11/25/1997
5691374Diaryl-5-oxygenated-2-(5H) -furanones as COX-2 inhibitors
The invention encompasses the novel compound of Formula I as well as a method of treating cyclooxygenase-2 mediated diseases comprising administration to a patient in need of such treatment of a non-toxic therapeutically effective amount of a compound of ...
11/25/1997
56101223-aryl-4-hydroxy-delta3-dihydrofuranone derivatives
The present invention relates to a new 3-aryl-4-hydroxy-Ɗ3 -dihydrofuranone derivatives of the general formula (I) ##STR1## in which the radicals A, B, G, X, Y, Z and n have the meaning given in the description, to a plurality of processe...
03/11/1997
5596124Method for safening herbicides in cereal crops using 5-aryloxy-1,2-(disubstituted)benzene compounds
There is provided a method for safening herbicides in cereal crop plants by using 5-aryloxy-1,2 -(disubstituted)benzene compounds of formula I ##STR1## Further provided are compositions comprising a 5-aryloxy-1,2-(disubstituted)benzene compound of fo...
01/21/1997
5565430Azaaspartic acid analogs as interleukin-1ଲ converting enzyme inhibitors
Disclosed are compounds, compositions and methods for inhibiting interleukinprotease activity. The compounds, ଱-substituted acetamides a ##STR1## wherein: R2 =H or alkyl; R3 =halo, O(CO)0-1 aryl, OPOR4
10/15/1996
5508302Phospholipase A2 inhibitors
There are disclosed compounds of the formula: ##STR1## wherein R1 is ##STR2## X is O, or S; Y is O or NOR2 ; R2 is alkyl, alkenyl, phenyl, --CH2 CO2 R3, --CH2 Ph, --CH
04/16/1996
5468774Tetronic, thiotetronic and tetramic acid derivatives as phospholipase A.sub .
There are disclosed compounds of the formula: ##STR1## wherein X is O; R1 and R2 are each, independently, hydrogen, C1 -C10 alkyl, C3 -C20 cycloalkyl, phenylloweralkyl, or substituted ...
11/21/1995
5462939Peptidic ketones as interleukin-1ଲ-converting enzyme inhibitors
Disclosed are compounds of the formula (I) and pharmaceutically acceptable salts thereof: ##STR1## wherein R1 is (CR5 R6)n, (CR5 R6)n -aryl, (CR5 R6)
10/31/1995
5428058Phospholipase A2 inhibitors
There are disclosed compounds of the formula: ##STR1## wherein R1 is hydrogen, alkyl, cycloalkyl, arylalkyl, --(CH2)r CH.dbd.CH2, --(CH2)s OY, --(CH2)t CH(OZ)CH
06/27/1995
5366993Tetronic, thiotetronic and tetramic acid derivatives as phospholipase A.sub .
There are disclosed compounds of the formula: ##STR1## wherein X is O, S or NR; R is hydrogen or lower alkyl; R1 and R2 are each, independently, hydrogen, C1 -C10 alkyl, C3 -C20 cycloalkyl,...
11/22/1994
5362752Chemical compounds
New cholesterol lowering compounds are formed from the photochemical treatment of zaragozic acid A....
11/08/1994
5328916Heterocyclic compounds useful for inhibition of renin
New heterocyclic compounds of the formula X--W--CR1 R2 --CO--Y--NR3 --CHR4 --CR5 --CH2 --(CR6 R7)r --Z--Het I in which R1 to R7
07/12/1994
5298633Intermediates and processes for preparing 4-substituted 2-5(H)-furanones as anti-inflammatory agents
Anti-inflammatory 4-substituted 2-furanones are made from intermediates having the formulas: ##STR1##...
03/29/1994
5258400Anti-inflammatory furanone compounds
New furanone compounds have anti-inflammatory, immunosuppresive and anti-proliferative activity and are useful in treating psoriasis and modifying calcium homeostasis. A compound of the invention is 4-[3,6-dihydro-6-hydroxy-5-(3-phenylpropyl)-2H-pyran-2-y...
11/02/1993
5256689Cholesterol lowering compounds
Disclosed herein are compounds of structural formula (I) ##STR1## which are useful as cholesterol lowering agents and as inhibitors of squalene synthase....
10/26/1993
5219884Immunosuppressant
The present invention relates to an immunosuppressive agent which comprises at least one compound selected from the compounds of formula ##STR1## wherein R represents a hydrogen atom or an acyl, Y represents carbonyl or hydroxymethylene and represe...
06/15/1993
5202350Furanone anti-inflammatory agents
New compounds (3-alkyl-5-hydroxy-3,4-dihydrofuran-2-ones) of the following general structure: ##STR1## wherein R is an alkyl group or a phenylalkyl group with the alkyl moiety containing at least 6 carbon atoms, are disclosed as useful in inhibiting ...
04/13/1993
51839062- and 5-alkyl and phenyl substituted 4-(1-hydroxy, 1-acyloxy or 1-carbamoyloxy)-5-hydroxy-2 (5H)-furanones as anti-inflammatory agents
Novel anti-inflammatory furanone compounds have the following formula ##STR1## where R1 independently is H, phenyl, C1 -C6 alkyl substituted phenyl, halogen substituted phenyl, or alkyl of 1 to 6 carbons and n is an i...
02/02/1993
1      
 
Sign InRegister
Username  
Password   
forgot password?