Bizarre Patents
A simulation environment for the sport of boxing utilizing a robotic machine interface system which carries a person.
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.
| Number | Title | Issue Date |
| 7183438 | Catalysts and method for the production of amines Disclosed are catalysts, the catalytically active mass of which contains 22 to 40 percent by weight of oxygen-containing compounds of zirconium, calculated as ZrO2, 1 to 30 percent by weight of oxygen-containing compounds of copper, calculated as CuO, 15 ... | 02/27/2007 |
| 7057072 | Synthesis and purification of 1,3,5-triamino-2,4,6-trinitrobenzene (TATB) A method to convert surplus nitroarene explosives (picric acid, ammonium picrate,) into TATB is described. The process comprises three major steps: conversion of picric acid/ammonium picrate into picramide; conversion of picramide to TATB through vicarious nucleophi... | 06/06/2006 |
| 7057073 | Synthesis of trinitrophloroglucinol and triaminotrinitrobenzene (TATB) A method to convert surplus nitroarene explosives into trinitrophloroglucinol and triaminotrinitrobenzene (TATB) is described. Picric acid is directly aminated to diaminopicric acid, which is converted to trinitrophloroglucinol and triaminotrinitrobenzene. ... | 06/06/2006 |
| 7034186 | Preparation of an amine Process for preparing an amine by reacting a primary or secondary alcohol, aldehyde or ketone with hydrogen and a nitrogen compound selected from the group consisting of ammonia and primary and secondary amines in the presence of a catalyst whose preparation has inv... | 04/25/2006 |
| 6281371 | Lipopolyamines, and the preparation and use thereof The present invention relates to new lipopolyamines (including salts thereof) characterised by a symmetrical, highly flexible lipophilic moiety having buffering capacity at physiological pH, and to the use thereof for the in vivo or in vitro introduction ... | 08/28/2001 |
| 5750786 | Process for the preparation of unsubstituted and substituted diaryl phenylenediamines The present invention relates to a process for the preparation of unsubstituted and alkyl-substituted diaryl-phenylenediamines.... | 05/12/1998 |
| 5710335 | Process for preparing 3-(N,N-disubstituted amino)phenol A process for preparing a 3-(N,N-disubstituted amino)phenol is herein disclosed which comprises reacting resorcin with a primary amine represented by formula (2): R1 NH2 (2) wherein R1 ... | 01/20/1998 |
| 5665126 | Adducts of quinone compounds and amine-containing polymers for use in lubricating oils and in fuels Adducts useful as fuel or lubricating oil additives are disclosed. The adducts comprise the reaction product of at least one quinone compound and an amine-containing polymeric material comprising at least one member selected from the group consisting of (... | 09/09/1997 |
| 5639718 | Multifunctional viscosity modifiers for lubricating oil compositions with improved dispersancy and antioxidancy derived from adducts of quinone An oil-soluble lubricating oil and fuel additive, useful as a multifunctional viscosity modifier comprising succinimide and other amine-containing polymers reacted with a quinone or substituted quinone adducts. Suitable polymers are those containing prima... | 06/17/1997 |
| 5576274 | Fuel and lubricant additives derived from dihydroxy-aromatic compounds The present invention relates to a novel process for the production of fuel and lubricant additives useful as dispersants and multifunctional viscosity modifiers wherein a dihydroxyaromatic compound is alkylated with an olefinic polymer and then aminated ... | 11/19/1996 |
| 5399277 | Fuel and lubricant additives derived from dihydroxyaromatic compounds The present invention relates to a novel process for the production of fuel and lubricant additives useful as dispersants and multifunctional viscosity modifiers wherein a dihydroxyaromatic compound is alkylated with an olefinic polymer and then aminated ... | 03/21/1995 |
| 5371294 | Process for the preparation of a mixture of cyclohexylamine and dicyclohexylamine Cyclohexylamine and dicyclohexylamine can be prepared as a mixture with one another by reaction of phenol with aniline, ammonia or a mixture of aniline and ammonia in the presence of hydrogen over a catalyst, the reaction being carried out according to th... | 12/06/1994 |
| 5245081 | Preparation of N,N-disubstituted m-aminophenols The preparation of N,N-disubstituted m-aminophenols from resorcinol, which is reacted, in a first step, with primary amines to form N-monosubstituted m-aminophenols, which are treated in situ, in a second step, with alkylating agents to form N,N-disubstit... | 09/14/1993 |
| 5130489 | Process for the preparation of M-aminophenols from resorcinol An improved process is provided for producing m-aminophenols comprising reacting resorcinol and an amino compound in an inert organic solvent and in the presence of an aluminosilicate catalyst.... | 07/14/1992 |
| 5113018 | Method of producing N-alkylaminophenols N-alkyl amino phenols, such as N-ethyl-m-amino phenol are produced in high yield and with high purity by reacting a divalent phenol, such as resorcinol, with an alkylamine, such as ethylamine, in the absence of catalyst and solvent, at a temperature of 12... | 05/12/1992 |
| 4675444 | Process for producing aminophenols A process for producing an aminophenol, which comprises (A) a step of reacting a dihydric phenol with an aminating reagent in the liquid state under heat in the presence of water and a water-soluble catalyst, (B) a step of removing the unreacted aminating reag... | 06/23/1987 |
| 4609760 | Process for the preparation of 2,6-xylidine An improved process for the preparation of 2,6-xylidine by amination of 2,6-dimethylphenol in the vapor phase with ammonia in the presence of an aluminum oxide catalyst is disclosed. According to the invention, particular amination conditions are chosen t... | 09/02/1986 |
| 4585896 | Process for the production of an aminophenol In a process for the production of an aminophenol which comprises reacting a divalent phenol and ammonia in the absence of a catalyst or in the presence of a water-soluble catalyst, then separating the reaction mixture after the reaction to recover a sepa... | 04/29/1986 |
| 4485260 | Preparation of unsymmetrical diphenylamines There is disclosed a process for the production of unsymmetrical, substituted diarylamines by the reaction of a primary aromatic amine and a substituted phenol wherein the phenol is held in excess of the primary aromatic amine thereby minimizing by-produc... | 11/27/1984 |
| 4448993 | Process for conversion of hydroxybenzenes to amines Hydroxybenzenes are converted to the corresponding amines by contacting the hydroxybenzene and ammonia at temperatures of about 250°-550° C. and pressures of about 0-5000 psig with a novel siliceous composition prepared by impregnating porous silica wit... | 05/15/1984 |
| 4400537 | Process for 1,4-phenylenediamine A process for the preparation of 1,4-phenylenediamine from 1,4-dihydroxybenzene at a temperature within the range of from about 300° C. to 450° C. and a pressure of from atmospheric to 3000 psig in the presence of an aminating agent, an inert hydrocarbo... | 08/23/1983 |
| 4380669 | Process for synthesizing aniline A process for converting phenolic compounds to aniline by passing them over ammonia in the presence of ZSM-5 type zeolites under conversion conditions whereby high conversion, high selectivity and improved rates of production are achieved.... | 04/19/1983 |
| 4326080 | Process for the preparation of 4-amino-diphenylamines A process for the preparation of a 4-aminodiphenyl amino derivative which comprises: (a) contacting a hydroxybenzene of the formula ##STR1## wherein R is hydroxyl or amino with an aniline compound of the formula ##STR2## wherein R1 ... | 04/20/1982 |
| 4148823 | Process for preparing p-arylaminophenols with aluminum sulfate or carboxylate Process for the preparation of a p-arylaminophenol by reacting hydroquinone with a primary arylamino in the presence of a catalytic amount of aluminum sulfate or an aluminum lower carboxylate.... | 04/10/1979 |
| 4125560 | Aromatic amines synthesis process and products resulting from application of this process The invention pertains to an aromatic amines synthesis process, fundamentally characterized by the fact that it consists of carrying out the ammonolysis of phenols under pressure in liquid phase by ammonia in aqueous solution.... | 11/14/1978 |
| 4067903 | Manufacture of arylamines Arylamines are manufactured by reacting alcohols with amines in the presence of phosphorus-III compounds. The arylamines I manufactured by the process of the invention are intermediates for the manufacture of crop protection agents, optical brighteners, e... | 01/10/1978 |
| 3965182 | Preparation of aniline from phenol and ammonia Aromatic amines are made by reacting a phenol with aluminum nitride and either ammonia or a primary or secondary amine at temperatures from 200°-600°C. For example, 2,6-dimethyl-phenol reacts with aluminum nitride and ammonia to yield 2,6-dimethylanilin... | 06/22/1976 |
| 3960962 | Process for replacing the hydroxy group of an aromatic hydroxy compound with an amine group Aromatic hydroxy compounds (e.g., 2,6-dimethylphenol) are converted to the corresponding aromatic amine (e.g., 2,6-dimethylaniline) by reaction with ammonia at elevated temperatures in the presence of a cyclohexanone promoter and a catalyst comprising met... | 06/01/1976 |
