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Class 568/713 - Halogen containing


Subclass of Class 568 - Organic compounds -- part of the class 532-570 series
Definition: Compounds which contain halogen.
No. of patents: 31
Last issue date: 02/02/2010


NumberTitleIssue Date
7655819Polymers with antimicrobial, bioresistant and fungal resistant properties
A polymer that contains an antimicrobial, bioresistant and fungal resistant moiety that is linked into the backbone of the polymer. The moiety is a bromine atom and a nitro group linked to one or more of the carbon atoms forming the backbone. The moiety can appear i...
02/02/2010
7273938Preparation of novel substituted haloarene compounds
This invention relates to a new process for the preparation of novel substituted haloarene compounds of the formula I or IV: respectively, wherein R1, R2, R3, R4, R
09/25/2007
6255522Process for reducing ଱-amino ketones
The present invention has its objects to provide a method for reducing ଱-aminoketone derivatives under mild conditions with high stereoselectivity. This invention is a method for reducing ଱-aminoketone which comprises reacting an a-aminoketone...
07/03/2001
5929284Processes for producing ଱-halo ketones, ଱-halohydrins and epoxides
Processes for efficiently producing ଱-halo ketones, ଱-halohydrins and epoxides on an industrial scale. The prosesses include one for producing an ଱-halo ketone of general formula (3) by decarboxylating a product of reaction between a car...
07/27/1999
5907068Peptide derivatives
The invention concerns pharmaceutically useful trifluoromethyl ketone substituted di-, tri- and tetra-peptide derivatives of the formulae Ia, Ib, Ic set out hereinafter, and salts thereof which are inhibitors of human leukocyte elastase. Also described he...
05/25/1999
5874654Purification of mixtures of nitroaromatic compounds by removing nitrocresols therefrom
Environmentally-polluting nitrocresol values are removed from admixtures of nitroaromatic compounds comprised thereof, notably the media of nitration of aromatic compounds by reacting same with aqueous HNO3 /H2 SO4, by fir...
02/23/1999
5292966Process for the preparation of 2-nitro-3, 6-dichlorophenol
2-Nitro-3,6-dichlorophenol is prepared by sulfonation of 2,5-dichlorophenol and subsequent nitration and desulfonation, in which the nitration is carried out by metering in a nitrating acid composed of 98 to 100% strength nitric acid and 96 to 100% streng...
03/08/1994
5292967Process for producing 2,3-difluoro-6-nitrophenol
According to a process for producing isomer-free 2,3-difluoro-6-nitrophenol, 2,3,4-trifluoronitrobenzene is reacted with an aqueous solution of alkali metal or alkaline earth metal hydroxide in the absence of organic solvent, at temperatures between about...
03/08/1994
5243092Method for producing 2,2-dibromo-2-nitroethanol
There is disclosed a method for producing,2,2-dibromo-2-nitroethanol. The method comprises first reacting tris(hydroxymethyl)nitromethane in aqueous solution with an alkali and then reacting the product of said first reaction with bromine....
09/07/1993
5232836Vitamin D derivatives: therapeutic applications and applications to assays of metabolites of vitamin D
Vitamin D derivatives corresponding to the following formula I ##STR1## in which R1 denotes a substituted alkyl group having 1 to 15 carbon atoms, in particular the side chains of vitamin D2 (C20 to C28) or...
08/03/1993
5144087Process for the preparation of dibromonitro-alcohols and blends with dibromonitro-alcohols
A process for preparing dibromonitro-alcohols, and mixtures thereof with bromonitro-alcohols, is disclosed in which dibromonitromethane, and optionally bromonitroethane, is reacted with a C1 -C3 aldehyde in aqueous solution at an aci...
09/01/1992
5136109Process for preparing 2,4-dichloro-3-alkyl-6-nitrophenols
2-4-Dichloro-3-alkyl-6-nitrophenols which are useful as intermediate of cyan couplers in color photography are prepared by sulfonating 4-chloro-3-alkyl-phenols to obtain 5-chloro-4-alkylhydroxybenzenesulfonic acids, chlorinating the acids in an aqueous ph...
08/04/1992
5112871Anti-microbial bromo-nitro compounds
A bromo-nitro compound of the general formula ##STR1## where R, R1 and R2 can be hydrogen, or a hydrocarbyl group and R can also be R3 CO or R3 NHCO and n has a value of at least one. R and R1 ca...
05/12/1992
5093519Vitamin D derivatives: therapeutic applications and applications to assays of metabolities of vitamin D
Vitamin D derivatives corresponding to the following formula I ##STR1## in which R1 denotes a substituted alkyl group having 1 to 15 carbon atoms, in particular the side chains of vitamin D2 (C20 to C28) or...
03/03/1992
5075510Process for the preparation of bromonitro-alcohols
A process for preparing bromonitro-alcohols is disclosed in which bromonitromethane is reacted with a C1 -C3 aldehyde in aqueous solution at an acid pH, preferably between about 4.0 and about 7.0. An aqueous solution of the aldehyde ...
12/24/1991
5012015Process for producing 2,4-dichloro-3-alkyl-6-nitrophenol
2,4-Dichloro-3-alkyl-6-nitrophenol, which is a precursor of 2,4-dichloro-3-alkyl-6-aminophenol useful for the production of a cyan coupler to be used with a sensitive material in the field of a photography in color, is industrially advantageously produced...
04/30/1991
5001279Aqueous synthesis of 2-halo-4,6-dinitroresorcinol and 4,6-diaminoresorcinol
The displacement of halogen from a 1,2,3-trihalo-4,6-dinitroresorcinol can be carried out in an aqueous medium using alkali metal hydroxide to form 2-halo-4,6,-dinitroresorcinol. The product is a useful intermediate in the synthesis of 4,6-diaminoresorcin...
03/19/1991
4978808Method of producing 2,2-bis(3-nitro-4-hydroxyphenyl)hexafluoropropane
Disclosed herein is a method of producing 2,2-bis(3-nitro-4-hydroxphenyl)hexafluoropropane, which comprises (a) preparing 2,2-bis(4-hydroxyphenyl)hexafluoropropane and a lower fatty acid; and (b) allowing the 2,2-bis(4-hydroxyphenyl)hexafluoropropane to ...
12/18/1990
4960955Process for making 4-chloro-2-methyl-5-nitro-phenol
The process of making 4-chloro-2-methyl-5-nitro phenol (I) ##STR1## comprises nitrating a 4-chloro-2-methyl-phenyl sulfonate of the formula (II) at the 5 position ##STR2## in which R is a residue selected from the group consisting of methyl-, ...
10/02/1990
4943666Process for producing nitrophenol compound
An improved industrial process for producing a compound of the general formula: ##STR1## wherein R is an alkyl group having 1 to 4 carbon atoms which comprises reacting a compound of the general formula: ##STR2## wherein R is as defined abo...
07/24/1990
4922030Method of preparing halogenated nitroalcohols
A method of preparing bromonitroalcohols of the formula ##STR1## where R1 is H, lower alkyl or R2, R2 is R3 CHOH in which R3 is H, alkyl or aryl, and X is a halogen, which comprises reacting a ha...
05/01/1990
4851588Novel process for the preparation of bronopol
A process of forming 2-bromo-2-nitro-1,3-propanediol by contacting a 5-nitro-1,3-dioxane with bromine under alkaline conditions and hydrolyzing the brominated product....
07/25/1989
4778935Fluorinated nitro- and aminoalcohols
Fluorinated nitroalcohols of the formula (I) ##STR1## process for their preparation by reaction of fluoronitroalkane of the formula (II) ##STR2## with a carbonyl compound of the formula (III) ##STR3## fluorinated aminoalcohols of the f...
10/18/1988
4723044Production of dibromonitro compound
A process for producing a dibromonitro compound represented by the general formula ##STR1## wherein R represents a hydrogen atom or a methyl group, which comprises condensing nitromethane with formaldehyde or acetaldehyde in the presence of an a...
02/02/1988
4636476Preserving agent and method of use thereof
A tablet for use in preserving samples of milk for analysis comprises bronopol (2-bromo-2-nitropropane-1,3-diol) and a water-soluble solid organic carboxylic acid, the amount of the organic acid being within the range 0.002-0.07 milli-equivalents per mill...
01/13/1987
4581178Addition of aldehydes to organic compounds having a carbon-hydrogen bond activated by a nitro or nitrile group
Low valent transition metal complexes containing small cone angle phosphine or arsine ligands efficiently catalyze addition of aldehydes to compounds or groups having a C--H bond activated by a nitro or nitrile group, to provide nitroalcohols or cyanohydr...
04/08/1986
44699021-Iodoprop-1-yn-3-ols as plant protection agents
Novel 1-iodoprop-1-yn-3-ols of the formula ##STR1## in which R1 represents optionally substituted aryl and R2 represents alkyl or cycloalkyl, which may be used as plant protection agents, especially as fungicides, are obtained when ...
09/04/1984
4347148Full and lubricant compositions containing nitro phenols
Nitro phenols of the general formula ##STR1## wherein R is an aliphatic substituent of at least about 40 carbon atoms, a, b and c are, for example, each 1, 2 or 3, and Ar is an aromatic moiety such as a benzene nucleus, naphthalene nucleus or linked ...
08/31/1982
4322442Combating fungi with 1-halo-1-propyn-3-ols
1-Halo-1-propyn-3-ols of the formula ##STR1## in which R is optionally substituted phenyl, pyridyl, furyl, thienyl or pyrazolyl, R' is optionally substituted phenyl, and X is halogen, which possess fungicidal properties....
03/30/1982
4283565Process for preparing benzylalcohols
There is described an essentially two step process for the preparation of benzylalcohols including those benzylalcohols having substituents on the benzyene ring by reaction of a substituted or unsubstituted benzyl halide with a formate typically an alkali...
08/11/1981
4278816Process for preparing phenols and thiophenols
Phenols and thiophenols are produced by reacting the corresponding diphenyl ether compound with hydrogen sulfide in contact with an absorptive catalyst, such as charcoal, activated carbon, calcined petroleum coke, etc. Temperatures in the range of from ab...
07/14/1981
 
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