Quotables
"The man with a new idea is a crank until the idea succeeds."
Samuel Clemens
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 |
| 7439397 | Phenol derivative The compound 2-[(1R)-3-(diisopropylamino)-1-phenylpropyl]-4-(trifluoromethyl) phenol may be used to prepare the compound (3R)-3-[2-hydroxy-5-(trifluoromethyl)phenyl]-N,N-diisopropyl-N-methyl-3-phenylpropan-1-aminium bromide by reaction with methyl bromide. ... | 10/21/2008 |
| 7371887 | Oligo(p-phenylene vinylene) amphiphiles and methods for self-assembly Amphiphilic oligo(p-phenylene vinylene) compounds and methods of use en route to self-assembled composites and device fabrication. ... | 05/13/2008 |
| 7091192 | Linear cyclodextrin copolymers Linear cyclodextrin copolymers and linear oxidized cyclodextrin copolymers containing an unoxidized and/or an oxidized cyclodextrin moiety integrated into the polymer backbone are described. Methods of preparing such copolymers are also described. The linear cyclode... | 08/15/2006 |
| 6946486 | Quaternary ammonium compounds The invention features quaternary ammonium compounds of formula I, described herein, and their use in treating asthma, chronic obstructive pulmonary disorder, allergic rhinitis, and infectious rhinitis. ... | 09/20/2005 |
| 6403832 | Process for producing optically active 3,3,3-Trifluoro-2-Hydroxy-2-Methylpropionic acid, and salt thereof There are disclosed are a diastereomer salt of formula (1): ##STR1## a process for producing the same, a process for producing optically active 3,3,3-trifluoro-2-hydroxy-2-methylpropionic acid of formula (2'): ##STR2## a novel optically active amine compo... | 06/11/2002 |
| 6362370 | Wood preservatives Wood preservatives having biocidal properties which include quaternary ammonium compounds of general formula (I): ##STR1## wherein R1 is a C8-18 -alkyl group or an optionally substituted benzyl group, R2 is a C8-18 | 03/26/2002 |
| 6331648 | Ether amines and derivatives The present invention relates to a series of derivatives of novel ether amine compounds prepared by the cyanobutylation reaction of an alcohol having 3 to 22 carbon atoms with 2-pentenenitrile to form a branched alkyl ether nitrile. The alkyl ether nitrit... | 12/18/2001 |
| 6008412 | Process to make chiral compounds The present invention relates to processes for resolving N-methyl-3(R,S)-hydroxy-3-phenylpropylamine and N,N-dimethyl-3 (R,S) -hydroxy-3-phenylpropylamine with the isomers of mandelic acid and the resulting salts.... | 12/28/1999 |
| 5831117 | Method of preparing retroviral protease inhibitor intermediates Chiral hydroxyethylamine, hydroxyethylurea or hydroxyethylsulfonamide isostere containing retroviral protease and renin inhibitors can be prepared by multi-step syntheses that utilize key chiral amine intermediates. This invention is a cost effective meth... | 11/03/1998 |
| 5783534 | Process for the production of solid esterquats A process for the production of a solid esterquat free from solvents comprising the steps of A) forming a mixture comprising (i) at least one fatty acid triethanolamine ester corresponding to formula (I) ##STR1## in which R1 CO is a satur... | 07/21/1998 |
| 5612381 | 1,2-ethanediol derivative and salt thereof process for producing the same, and cerebral function-improving agent comprising the same This invention relates to a 1,2-ethanediol derivative and a salt thereof, a process for producing the same, and a cerebral function-improving agent comprising the same. The cerebral function-improving agent of this invention is useful for treating cerebro... | 03/18/1997 |
| 5550289 | N-(1,(1-1)-dialkyloxy)-and N-(1,(1-1)-dialkenyloxy alk-1-yl-N-N,N-tetrasubstituted ammonium lipids and uses therefor This invention relates to compounds of the formula ##STR1## or an optical isomer thereof wherein R1 and R2 are the same or different and are an alkyl or alkenyl group of 6 to 24 carbon atoms; R3, R4 and R | 08/27/1996 |
| 5510532 | Stable conducting polymer and processes for the preparation thereof Conductive polymers having repeating units of formula (II) ##STR1## formed by chemical or electrochemical oxidation of aniline derivatives of formula (I) ##STR2## wherein R1 denotes --(CH2)n --; n is an integer b... | 04/23/1996 |
| 5472984 | 1,2-ethanediol derivative and salt thereof and cerebral function-improving agent comprising the same This invention relates to a 1,2-ethanediol derivative and a salt thereof, a process for producing the same, and a cerebral function-improving agent comprising the same. The cerebral function-improving agent of this invention is useful for treating cerebro... | 12/05/1995 |
| 5463094 | Solvent free quaternization of tertiary amines with dimethylsulfate A process for a high temperature, solvent free quaternization of certain tertiary amines using dimethylsulfate to produce quaternary ammonium methyl sulfates which may be used in fabric softening and other applications, is disclosed.... | 10/31/1995 |
| 5362910 | Germicidal and fungicidal agent and a germicidal and fungicidal method A germicidal and fungicidal agent can solve the problems of conventional germicidal and fungicidal agents comprising quaternary ammonium salts or amphoteric surface active agents that fungicidal activity is insufficient and metals such as parts of medical... | 11/08/1994 |
| 5349106 | Process for reducing the residual content of free alkylating agent in aqueous solutions of cationic surfactants A process for reducing the residual content of free alkylating agent in aqueous solutions of cationic surfactants comprising aftertreating the solutions with at least one of the following amine compounds: a) ammonia; b) tertiary amine corresponding to the gene... | 09/20/1994 |
| 5290806 | 4-(4-tert-butylphenyl) cyclohexylamines, and fungicides containing same 4-4(tert-butylphenyl)-cyclohexylamines and quaternary ammonium salts thereof of the formulae ##STR1## where R1 is hydrogen, alkyl or alkenyl, R2 is alkyl, haloalkyl, hydroxyalkyl, cycloalkyl, alkylcycloalkyl, bicycloalkyl, alken... | 03/01/1994 |
| 5256823 | Quarternized monoalkylenediamine nitrobenzene compounds and their use as dyes for keratinaceous fibers Quaternized monoalkylenediamine nitrobenzene compounds of general formula ##STR1## wherein one of Z or Y is the quaternized group ##STR2## the other of Y or Z being H, alkyl, hydroxyalkyl or hydroxyalkoxy when it is not said quaternized group, a... | 10/26/1993 |
| 5198584 | P-phenylenediamine substituted by a quaternary ammonium group and an electron withdrawing group p-phenylenediamines having a quaternary ammonium group and substituted with an electron withdrawing group, derivatives thereof, compositions containing same, and their use as developers for dyeing keratinous fibers, are disclosed.... | 03/30/1993 |
| 5196582 | Preparation of solid quaternary ammonium halides Quaternary ammonium halides are prepared in solid form by reacting an alkyl or aralkyl halide with ammonia or an amine in a liquefied gas as the solvent.... | 03/23/1993 |
| 5171641 | Permanent antistatic acid copolymer/quaternary amine polymeric films An acid copolymer/quaternary amine mixture is disclosed which is permanently antistatic. The acid copolymer is a copolymer of (i) a major amount by mol % of an alpha-olefin of the formula RCH.dbd.CH2 wherein R is H or C1 to C8 | 12/15/1992 |
| 5076828 | Oxyalkylated quaternary ammonium compounds and plant growth regulating compositions containing said compounds This invention relates to novel oxyalkylated quaternary ammonium compounds, processes for their production and plant growth regulating compositions containing the same compounds. Each of these oxyalkylated quaternary ammonium compounds consists of an oxya... | 12/31/1991 |
| 4997912 | Esters of fatty acids, which may be quaternized, from oxalkylated alkylalkylenediamines Fatty acid esters of oxalkylated alkylalkylenediamines, which may be quaternized: Esters of oxalkylated alkylalkylenediamines, which may be quaternized, of the formula ##STR1## where the individual symbols have the meaning given in the description, ... | 03/05/1991 |
| 4994199 | Antimicrobial composition containing quaternary aliphatic amine polyglycidol adducts Novel nonionic antimicrobial amine glycidol compounds which may be used in cleaning compositions with anionics, nonionics or cationic surfactants as cleaning agents or a preservative in water-based functional fluids or surface coating compositions are rep... | 02/19/1991 |
| 4898944 | Precursors for the preparation of water-soluble triphendioxazine dyestuffs Precursors for the preparation of fiber-reactive triphendioxazine dyestuffs correspond to the general formulas: ##STR1## in which Y' is a vinyl, a beta-hydroxyethyl or an ethyl group which contains in the beta-position a substituent which can be elim... | 02/06/1990 |
| 4864060 | Surface active compounds, methods for making same and uses thereof Aliphatic surface active compounds containing a propylene chain bonded at one end to a cationic quaternary ammonium group and at the other end to an amphoteric amine oxide group, and methods of making and using them.... | 09/05/1989 |
| 4847303 | Tert-butylphenyl compounds useful as anti-inflammatory agents The present invention involves compounds having the structure: ##STR1## wherein: (a) --A1 is selected from the group consisting of --OH, --H, and --O2 CR; (b) --A2 is selected from the group consisting of unsubstituted or ... | 07/11/1989 |
| 4845289 | Procedure for the removal or reduction of residual trimethylamine odor from its reaction products A process for the removal or reduction of residual trimethyl amine odor resulting from the quaternization of a halogen containing precursor with trimethyl amine. Odor reduction is achieved by reacting the residual trimethyl amine with at least an equivale... | 07/04/1989 |
| 4843176 | Compounds containing sulfur and amino groups This invention relates to the following: (1) An amino-containing composition characterized by polymercapto groups, (2) A polyamino-containing composition characterized by mercapto or polymercapto groups, (3) A composition characterized by the presence of A. a merca... | 06/27/1989 |
| 4814108 | Cationic surfactants based on quaternary ammonium compounds and use thereof in cleaning agents The invention relates to new cationic surfactants based on quaternary ammonium compounds which are characterized by the general formula ##STR1## wherein R1 may be a linear or branched alkyl residue having from 1 to 22 carbon atoms; R2... | 03/21/1989 |
| 4708966 | Novel anti-inflammatory agents, pharmaceutical compositions and methods for reducing inflammation The present invention relates to novel specifically-substituted phenyl compounds, especially substituted di-tert-butyl phenol derivatives, which are effective as anti-inflammatory, analgesic and/or antipyretic agents. These phenyl compounds are substitute... | 11/24/1987 |
| 4705860 | Quaternary ammonium salts and their use as drag reducing agents Quaternary ammonium salts of the formula in which R1 denotes C12 -C26 -alkyl or C12 -C26 -alkenyl, K.sym. denotes a group of the formula ##STR1## or --.sym. N(R2)3 | 11/10/1987 |
| 4694104 | Phase transfer catalysts The invention relates to polyoxyalkylene quaternized salts as phase transfer catalysts for liquid/liquid phase cyclopropanation, substitution or addition reactions involving a normally liquid or solvent soluble olefinically unsaturated hydrocarbon and the... | 09/15/1987 |
| 4638089 | Fluorine-containing quaternary ammonium compounds and their production A fluorine-containing quaternary ammonium compound of the formula: ##STR1## wherein Rf is a fluorine-containing straight or branched aliphatic hydrocarbon or polyether group, R1, R2 and R3 are each a C... | 01/20/1987 |
| 4602087 | Distyrylbiphenyls The distyrylbiphenyls of the formula ##STR1## in which X and X' independently of one another are a direct bond, oxygen, sulfur, --O--C1-3 -alkylene-CON(R4)--CON(R4)--, --O--C1-3 alkylene-COO--, OCO or --COO... | 07/22/1986 |
| 4599335 | Diamine derivatives, compositions and use Diamine derivatives of the formula ##STR1## where R1 is unsubstituted or substituted alkyl, unsubstituted or substituted aryl or aralkyl, bicycloalkyl, alkoxy, acyl or halogen, n is 0, 1, 2 or 3, R2 is alkyl, alkenyl or alkoxy, ... | 07/08/1986 |
| 4492802 | Process for manufacture of quaternary ammonium compounds Process for the manufacture of quaternary ammonium compounds by reacting a compound having a terminal epoxide troup with a salt of a tertiary amine in the presence of a quaternary ammonium compound as catalyst.... | 01/08/1985 |
| 4480126 | Process for the preparation of quaternary ammonium compounds Process for the preparation of quaternary ammonium compounds by reacting a tertiary amine with a vicinal halohydrin having at least 6 carbon atoms, and quaternary ammonium compounds prepared thereby.... | 10/30/1984 |
| 4468352 | Distyrylbiphenyls The distyrylbiphenyls of the formula ##STR1## in which X and X' independently of one another are a direct bond, oxygen, sulfur, --O--C1-3 -alkylene-CON(R4)----CON(R4)--, --O--C1-3 -alkylene-COO--, OCO or --... | 08/28/1984 |
