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

Icon_funbox Bizarre Patents

Patent No. 6205950

Pet Toilet-Like Water Disk and Food Storage

One pet-friendly inventor patented "a device for watering pets, e.g., a dog or cat." The device, he helpfully noted, "has the general shape of a toilet."

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 564/221 - Plural rings in a substituent E


Subclass of Class 564 - Organic compounds -- part of the class 532-570 series
Definition: Compounds wherein the amino nitrogen containing residue
No. of patents: 144
Last issue date: 05/07/2013


1        
NumberTitleIssue Date
8436211Tetraarylborate process for the preparation of substituted biphenyls
The present invention relates to a process for the preparation of substituted biphenyls by reacting aryl halides with tetraarylborates in the presence of palladium catalysts. ...
05/07/2013
7342132Formoterol tartrate process and polymorph
A method of preparation of a highly pure salt of R,R-formoterol L-tartrate is disclosed. The process provides the most thermodynamically stable polymorph by recrystallization of a novel polymorph. ...
03/11/2008
7272428Wireless electrocardiograph system and method
A method and system for wireless ECG monitoring is provided. An electrode connector, transmitter and receiver operate with existing electrodes and ECG monitors. The electrode connector includes connectors for attaching to disposable or reusable single electrodes. Th...
09/18/2007
7262326Process for the synthesis of indanylamine or aminotetralin derivatives and novel intermediates
A process for preparing indanylamine and aminotetralin derivatives from indanone or tetralone oximes by acylating the oximes with an organic anhydride, followed by catalytic hydrogenation in the presence of an organic anhydride with subsequent hydrolysis is describe...
08/28/2007
7215991Wireless medical diagnosis and monitoring equipment
A medical diagnosis and monitoring system having at least one sensor for detecting an electrical, physical, chemical, or biological property of a patient such as, but not limited to, EEG- and EKG-signals, respiration, oxygen saturation, temperature, perspiration, et...
05/08/2007
7145036Formoterol tartrate polymorph
A method of preparation of a highly pure salt of R,R-formoterol L-tartrate is disclosed. The process provides the most thermodynamically stable polymorph by recrystallization of a novel polymorph. ...
12/05/2006
RE390722-aminopropane-1,3-diol compounds, medicinal use thereof, and intermediates in synthesizing the same
The present invention relates to a compound of the general formula wherein R1, R2, R3 and R4 are each a hydrogen or an acyl, a pharmaceutically acceptable acid addition salt thereof or ...
04/18/2006
6964963Preparation of 4-amino-1-naphthol ethers
The present invention describes a process for preparing 4-amino-1-naphthol ethers which is characterized in that naphthol ethers are first prepared from 1-naphthols, the former are then converted to the corresponding 4-acetamino-1-naphthol ethers and then the acyl g...
11/15/2005
6870069Phenyloxyaniline derivatives
A phenyloxyaniline derivative useful as a ligand for peripheral benzodiazepine receptor having a strong affinity and a high selectivity, which is represented by formula (1): wherein X1 and X2 are ...
03/22/2005
6720453Formoterol tartrate polymorph
A method of preparation of a highly pure salt of R,R-formoterol L-tartrate is disclosed. The process provides the most thermodynamically stable polymorph by recrystallization of a novel polymorph. ...
04/13/2004
6706765Aminoguanidines and alkoxyguanidines as protease inhibitors
Aminoguanidine and alkoxyguanidine compounds, including compounds of the formula: wherein X is O or NR9 and R1-R4, R6-R9, R11, R12, Ra
03/16/2004
6518310Aminoguanidines and alkoxyguanidines as protease inhibitors
Aminoguanidine and alkoxyguanidine compounds, including compounds of the formula: ##STR1## wherein X is O or NR9 and R1 -R4, R6 -R9, R11, R12, Ra, Rb, R
02/11/2003
6472563Formoterol tartrate process and polymorph
A method of preparation of a highly pure salt of R,R-formoterol L-tartrate is disclosed. The process provides the most thermodynamically stable polymorph by recrystallization of a novel polymorph....
10/29/2002
6423714Cyclohexene derivatives useful as antagonists of the motilin receptor
The compounds of formula I are useful in treating gastrointestinal disorders associated with antagonizing the motilin receptor. The compounds compete with erythromycin and motilin for the motilin receptor. In addition the compounds are antagonists of the ...
07/23/2002
6423870Tricyclic compounds, preparation method and pharmaceutical compositions containing same
The invention concerns compounds of formula (I) in which: A forms a tricyclic system of formula A1, A2, A3 or A4 ; R1 represents a hydrogen atom, an alkyl, hydroxy, alkoxy or oxo group; (R2...
07/23/2002
6350902Process for the selective N-formylation of N-hydroxylamines
The instant invention provides a process for the selective N-formylation of N-hydroxylamines....
02/26/2002
6268533Formoterol process
A method is disclosed for the preparation of optically pure isomers of formoterol by the reaction of an optically pure 4-benzyloxy-3-formamidostyrene oxide with an optically pure 4-methoxy-଱-methyl-N-(phenylmethyl)benzeneethanamine followed by ...
07/31/2001
6262308Process for the preparation of racemic sertraline
The invention relates to a process for preparing cis-N-methyl-4-(3,4-dichlorophenyl)-1,2,3,4-tetrahydro-1-naphthylamine, or racemic sertraline, corresponding to formula (I) ##STR1## in salt form, starting with 4-(3,4-dichlorophenyl)tetralone of formula (I...
07/17/2001
6225499Process for preparing aminoarylacetylenes
This invention provides a process for preparing aminoarylacetylenes comprising reacting a N-arylmethylidene aminoarylhalide with a terminal acetylene in the presence of a base and a catalyst system comprising a palladium catalyst and a cuprous salt to pro...
05/01/2001
62148732-aminopropane-1,3-diol compounds, medicinal use thereof, and intermediates in synthesizing the same
The present invention relates to a compound of the general formula ##STR1## wherein R1, R2, R3 and R4 are each a hydrogen or an acyl, a pharmaceutically acceptable acid addition salt thereof or a hydrate thereof...
04/10/2001
61568012-phenoxyaniline derivatives
A 2-phenoxyaniline derivative represented by the formula: ##STR1## wherein R1 is a hydrogen atom, an amino group or an NHCOR3 group, R2 is a halogen atom, an amino group, a cyano group, a C1-6 alkyl group, ...
12/05/2000
6100429N-benzylidene aminophenylacetylene carbinols
This invention provides a process for preparing aminoarylacetylenes comprising reacting a N-arylmethylidene aminoarylhalide with a terminal acetylene in the presence of a base and a catalyst system comprising a palladium catalyst and a cuprous salt to pro...
08/08/2000
6096925Quaternary ammonium salt for photo-curable antifogging composition, method for preparing the same, and photo-curable antifogging composition
Disclosed is a photo-curable antifogging composition which may be applied to substrates such as glass, various plastic materials and the like to give antifogging property on the surface of these substrates. The main ingredient of the composition is a quat...
08/01/2000
5959146Tricyclic compounds
Novel tricyclic compounds of formula I as defined in the specification, a process for their preparation and their use for the preparation of optically active or racemic colchicine and thiocolchicine derivatives....
09/28/1999
5834521Substituted dibenz (A F)azulenes and methods of preparation
Tetracyclic compounds having the following structure are described: ##STR1## wherein R1 -R10 are as defined. The tetracyclic compounds are capable of potent effects on steroid sensitive tissues and have demonstrated increased ut...
11/10/1998
5739337Process for preparing dibenzo-1-carboxamido-1,4-azabicyclo›3.2.1!octanes
Disclosed are a process and novel compounds useful for preparing compounds of formula I ##STR1## wherein R1 and R2 independently represent hydrogen, inorganic or optionally substituted organic substituents; and R3 is ...
04/14/1998
5712312Tricyclic amides
The invention relates to a compound selected from these of formula (I): ##STR1## in which R7, R8, Y, n and A are as defined in the description, and medicinal product containing the same useful for treating a disorder of the mela...
01/27/1998
56748125(sulfo-/carbamoylmethyl)cyclohexenone oxime ethers
5-(Sulfo-/carbamoylmethyl)cyclohexenone oxime ethers I ##STR1## where R1 =C1 -C6 -alkyl; R2 =H, C1 -C6 -alkyl, C1 -C3 -alkoxy-C1 -C3 -alkyl, C
10/07/1997
5604261Arylalkyl (thio)amides
A compound which is selected from those of formula (I) : ##STR1## in which A, R1, R2, R3, R4, R5 and R6 are as defined in the description, its optical isomers, and its addition salts t...
02/18/1997
5484953O-phenylenediamines containing fluoroalkyl(ene) groups
Novel o-phenylenediamines of the formula containing fluoroalkyl(ene) groups ##STR1## in which the symbols used have the meaning given in the description, processes for their preparation and their use as intermediates....
01/16/1996
5463126Process for preparing sertraline
The invention provides the substantially geometrically pure cis-stereoisomeric form of a compound of formula (I) and the substantially geometrically and optically pure cis-stereoisomeric form of a compound of formula (II): ##STR1## wherein R
10/31/1995
5434304Process for preparing formoterol and related compounds
The present invention is directed to a process for preparing formoterol and related compounds and derivatives thereof and their pharmacologically and pharmaceutically acceptable fumarate salts and/or solvates. The present invention is also directed to cer...
07/18/1995
5430062Stilbene derivatives as anticancer agents
The present invention relates to stilbene derivatives which possess utility as anti-cancer agents. The compounds can be used to treat cancers which are susceptible to treatment therewith, and can be utilized in a method of treating such cancers. Pharmaceu...
07/04/1995
5384331Ketamine analogues for treatment of thrombocytopenia
5,6-Dehydronorketamine and derivatives retaining the ଱,ଲ-unsaturated carbonyl are disclosed. These end other Michael or Michael-type acceptors and adducts are shown to influence the replication, differentiation or maturation of blood cells, es...
01/24/1995
5382682Nitroanilides and their preparation
Novel aryloxy-nitroanilides of formula ##STR1## wherein R is alkyl from 1 to 5 carbon atoms or unsubstituted or substituted aryl of from 6 to 10 carbon atoms; one of R1 and R2 is a hydrogen atom and the other is aryloxy, wherein...
01/17/1995
5349086Method for the preparation of 4-phenyl-1,3-benzodiazepins and precursors thereof
A compound of the formula ##STR1## is prepared by reacting an N-acylated-o-toluidine of the formula ##STR2## with n-alkyllithium to form a dilithio intermediate of the formula ##STR3## which can then be quenched with N-benzylidenemethylamin...
09/20/1994
5250732Ketamine analogues for treatment of thrombocytopenia
5,6-Dehydronorketamine and derivatives retaining the ଱,ଲ-unsaturated carbonyl are disclosed. These and other Michael or Michael-type acceptors and adducts are shown to influence the replication, differentiation or maturation of blood cells, es...
10/05/1993
5225601Diphenylheteroalkyl derivatives, the preparation thereof and drugs and cosmetics prepared therefrom
Abstract of the Disclosure: Diphenylheteroalkyl derivatives of the formula I ##STR1## where A and R1 -R6 have the meanings specified in the description, and the preparation thereof are described. The substances are suitable for ...
07/06/1993
5214202Method for preparing benzoic acid derivatives
This invention relates to a synthesis method favorable for the industrial production of a benzoic acid derivative having a retinoid activity of the general formula: ##STR1## wherein the derivative can be obtained by a simple procedure in safety ...
05/25/1993
5185465Carboxamides of 2-amino-alpha-phenlphenethylamines
Novel 4-phenyl-1,3-benzodiazepines and 2-amino-଱-phenylphenethylamines, novel intermediates thereof, and methods of preparing same are described. These benzodiazepines are useful as antidepressants, analgetics and anticonvulsants. The 2-amino-&...
02/09/1993
1        
 
Sign InRegister
Username  
Password   
forgot password?