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| Number | Title | Issue Date |
| 7820848 | Process for the preparation of stilbene derivatives A novel process for the preparation of resveratrol and piceatannol and esters thereof involving a Heck type reaction is disclosed. Also disclosed are novel intermediates in that process. ... | 10/26/2010 |
| 7491840 | Compound and composition containing the same This invention provides a compound represented by the following general formula (1) and capable of suppressing the blooming, which is observed in the compounding of the resorcin or the RF resin, as far as possible while maintaining the workability and high humidity-... | 02/17/2009 |
| 7211675 | Antiozonant based on functionalized benzotriazole UV absorbers and the process thereof A process for the preparation of a novel antiozonant and antioxidant, based on functionalized benzotriazole UV absorbers, and the process for the preparation thereof having a general Formula I: wherein R1 | 05/01/2007 |
| 7164036 | Benzophenone compound and ink composition including the same A benzophenone compound, and an ink composition that includes the benzophenone compound can absorb UV light, and thus improve lightfastness of images produced with the ink composition containing the compound. Due to the function of the benzophenone compound as a lig... | 01/16/2007 |
| 7153994 | Manufacture of trimethylhydroquinone diacylates A process for the manufacture of 2,3,5-trimethylhydroquinone diacylate comprising reacting ketoisophorone with an acylating agent in the presence of a NH- or CH-acidic catalyst, particularly certain bis(perfluorinated hydrocarbyl sulphonyl) imides and metal salts th... | 12/26/2006 |
| 6933403 | Mono carbonylation of benzene diols A process for a mono carbonylation of a benzenediol of the formula (I) is characterized in that a benzene diol of the formula (II) is reacted with an acid anhydride or carbonyl halide of the formula (III) without any organic or inorganic bases for thereby producing ... | 08/23/2005 |
| 6670512 | Substituted tetraarylethylene compounds The present invention seeks to provide novel tetraarylethylene compounds which are substituted on the aryl rings ortho to the ethylenic carbon atoms and processes for the preparation for such compounds. The compounds have potential use as molecular templa... | 12/30/2003 |
| 6465528 | Aromatic aldehyde resins and their use as emulsion breakers The present invention relates to resins obtained by reacting a compound of formula 1 with an aldehyde and alkoxylating, in any order: ##STR1## wherein X is --OH, Y is ortho-, meta- or para- to X and is a radical of formula 4, ##STR2## wherein R5 | 10/15/2002 |
| 6444841 | Hydroquinone diester derivatives and the method for producing the same A highly pure hydroquinone dietser derivative can be produced from the reaction product of ketoisophorone with an acylating agent in a high yield by a simple and easy operation. In the presence of an acid catalyst, a cyclohex-2-ene-1,4-dione derivative sh... | 09/03/2002 |
| 6395351 | Polymerisable liquid crystalline compounds Compounds with the general formula (I): R--S1 --A--Z1 --B--S2 --R, where A and B are independent ring systems with the formulae (a1), (a2) or (b), ##STR1## whereby in the trans-1,4-cyclohexylene ring,... | 05/28/2002 |
| 6369267 | Polyoxyalkylene substituted and bridged triazine, benzotriazole and benzophenone derivatives as UV absorbers Triazine, benzotriazole and benzophenone derivatives which are substituted or bridged with polyoxyalkylene groups, according to claim 1, and their use as UV absorbers, especially in photographic materials, in inks, including inkjet inks and printing inks,... | 04/09/2002 |
| 6350897 | Process for preparing trimethylhydroquinone diacetate and trimethylhydroquinone A process for preparing trimethylhydroquinone diacetate, with subsequent hydrolysis to give trimethylhydroquinone, the process including reacting 2,2,6-trimethylcyclohexane-1,4-dione under oxidative conditions, in the presence of a sulfonating agent and a... | 02/26/2002 |
| 6316661 | Process for the production of 2,3,5-trimethylhydroquinone diesters A process for the production of 2,3,5-trimethylhydroquinone diesters by aromatization of 2,6,6-trimethyl-2-cyclohexene-1,4-dione (4-oxoisophorone, ketoisophorone, KIP) with an acylating agent and an acidic soluble or insoluble catalyst, which process may ... | 11/13/2001 |
| 6255517 | Thymol derivatives having anti-tumor activity, and anti-cancer agent comprising the same The present invention relates to a thymol derivative represented by following Chemical Formula 1, pharmaceutically acceptable salts or esters thereof, and anti-cancer agents comprising the same as an active ingredient. ##STR1##... | 07/03/2001 |
| 6114572 | Substituted phenols and thiophenols useful as antioxidant agents The present invention provides compounds of the formula ##STR1## wherein X is selected from the group consisting of ##STR2## Y is thio, oxy or a methylene group; Z is hydrogen or --C(O)--(CH2)m --Q wherein Q is hydrogen or ... | 09/05/2000 |
| 6107499 | Dopamine analog amide The invention involves the formation of a prodrug from a fatty acid carrier and a neuroactive drug. The prodrug is stable in the environment of both the stomach and the bloodstream and may be delivered by ingestion. The prodrug passes readily through the ... | 08/22/2000 |
| 5985927 | Medicaments for the selective treatment of tumor tissues Medicinal products for the selective control of tumor tissue and a method for control of such tumor tissue by administration of such product to a host. The products comprise: (a) two different compounds having a pH below 7 when the compounds are present i... | 11/16/1999 |
| 5874398 | Ethylvanillin isobutyrate Ethylvanillin isobutyrate is a valuable new fragrance and flavor substance which, because of its extraordinary organoleptic profile and its favorable technical properties, permits hitherto unknown effects in perfumery and flavoring.... | 02/23/1999 |
| 5811458 | Phenyl propane derivatives as antibiotics and lipoxygenase inhibitors The invention relates to phenyl propane derivatives of the general formulae: ##STR1## or their mixtures, in which R1 and R2 are a branched or straight-chained alkyl residue of the general formula Cn H2n+1 ... | 09/22/1998 |
| 5723651 | Process for producing -l-aspartyldipeptide amide derivatives An economical process for producing -L-aspartyldipeptide amide derivatives useful as sweeteners, by using amino protecting groups which can be removed by hydrolysis under acidic conditions, resulting in conversion of a ଲ-carboxyl acid ester t... | 03/03/1998 |
| 5616546 | Automatic dishwashing compositions comprising multiperacid-forming bleach activators Improved automatic dishwashing detergent compositions, especially granular detergents, comprising bleach activators which form multiperacids, especially specific monoquaternary substituted bis(peroxycarbonic) acids, upon perhydrolysis are provided.... | 04/01/1997 |
| 5606089 | 4-alkoxy-2, 6-di-t-butylphenol derivatives Compounds represented by the general formula (I), as well as intermediates for the synthesis of thereof: ##STR1## where R1 is a hydrogen atom or an acyl group; R2 is a lower alkyl group; R3 is a hydrogen atom or a low... | 02/25/1997 |
| 5597390 | Amine ester-containing additives and methods of making and using same A di- or tri-ester polyether unsaturated acid amine reaction product effective as a fuel additive for reducing intake valve deposits and octane requirement increase, as well as controlling combustion chamber deposits, in gasoline engines is disclosed toge... | 01/28/1997 |
| 5595967 | Detergent compositions comprising multiperacid-forming bleach activators Improved detergent compositions, especially granular detergents, comprising bleach activators which form multiperacids, especially specific monoquaternary substituted bis(peroxycarbonic) acids, upon perhydrolysis are provided.... | 01/21/1997 |
| 5587509 | Caged caboxyl compounds and use thereof A method of releasing a caged carboxylic acid in which a 2-alkoxy-5-nitro-phenyl photosensitive group blocks a carboxyl function and the compositions so produced are disclosed.... | 12/24/1996 |
| 5563129 | Hydroquinone derivatives and intermediates for production thereof There are disclosed novel hydroquinone derivatives of the formula: ##STR1## The derivatives of the formula (I) have various pharmacological activities such as antioxidation in living bodies and are useful as medicaments.... | 10/08/1996 |
| 5534179 | Detergent compositions comprising multiperacid-forming bleach activators Improved detergent compositions, especially granular detergents, comprising bleach activators which form multiperacids, especially specific monoquaternary substituted bis(peroxycarbonic) acids, upon perhydrolysis are provided.... | 07/09/1996 |
| 5534180 | Automatic dishwashing compositions comprising multiperacid-forming bleach activators Improved automatic dishwashing detergent compositions, especially granular detergents, comprising bleach activators which form multiperacids, especially specific monoquaternary substituted bis(peroxycarbonic) acids, upon perhydrolysis are provided.... | 07/09/1996 |
| 5493049 | Fluorinated compounds containing hetero atoms and polymers thereof This invention provides 1) novel reactive fluorinated compounds derived from a specified class of telomers or cotelomers of fluoroolefins; and 2) stable products and stable polymers thereof obtained by reaction or polycondensation of the novel reactive fl... | 02/20/1996 |
| 5488138 | Process for producing highly pure carboxylic acid phenyl esters The present invention provides a process for producing a carboxylic acid phenyl ester having such a high purity that is required in various fields. A process for producing a highly pure carboxylic acid phenyl ester by reacting an aromatic hydroxy compound with... | 01/30/1996 |
| 5486502 | 2-methoxy-4-formyl phenyl ester of propionic acid and use in augmenting or enhancing the aroma of perfume compositions, colognes and perfumed articles Described is 2-methoxy-4-formyl phenyl ester of propionic acid defined according to the structure: ##STR1## and uses thereof in augmenting or enhancing the aroma of perfume compositions, perfumed articles and colognes.... | 01/23/1996 |
| 5463108 | Process for preparing acetoxystyrene The present invention provides a unique and novel way of producing 4-acetoxystyrene. In this new process, 4-hydroxystyrene is acetylated, in the presence of an acetylation agent, under suitable conditions of temperature and pressure and for a sufficient p... | 10/31/1995 |
| 5430175 | Caged carboxyl compounds and use thereof Caged carboxyl compounds in which a 2-alkoxy-5-nitrophenyl photosensitive group blocks a carboxyl function are disclosed. Preferably the compounds are neuroactive amino acids. The compounds are photolyzable by laser pulses at wavelengths above about nm wi... | 07/04/1995 |
| 5391812 | Polyglycolate peracid precursors Polyglycolate compounds are provided having the general structure: ##STR1## wherein n is an integer from 2 to about 10; R is C1-20 linear or branched alkyl, alkoxylated alkyl, cycloalkyl, aryl, alkylaryl, substituted aryl; R' and R" are in... | 02/21/1995 |
| 5385942 | Quinone derivatives and pharmacological use A quinone derivative useful in the treatment of hepatic diseases defined by the general formula: ##STR1## where X and Y may be the same or different from each other and are each a hydroxyl group, a group represented by the formula --(--OCH2 | 01/31/1995 |
| 5380901 | Multifunctional acrylates and the synthesis thereof The present invention provides a process for converting a hydrophobic siloxane diacrylate, an aromatic fluorinated diacrylate and a hydrophilic polyethylene glycol diacrylate to their respective multifunctional oligomers. Bis(4-acryloxybutyl)tetramethyldi... | 01/10/1995 |
| 5366517 | Fuel additive compositions containing poly(oxyalkylene) hydroxyaromatic ethers and poly(oxyalkylene) amines A fuel additive composition comprising: (a) a poly(oxyalkylene) hydroxyaromatic ether having the formula: ##STR1## or a fuel-soluble salt thereof; where R1 and R2 are each independently hydrogen, hydroxy, lower alkyl having 1 to 6 ca... | 11/22/1994 |
| 5358930 | 2-ethoxy-4-formyl phenyl ester of propionic acid and use in augmenting or enhancing the aroma of perfume compositions, colognes and perfumed articles Described is 2-ethoxy-4-formyl phenyl ester of propionic acid of our invention defined according to the structure: ##STR1## and uses thereof in augmenting or enhancing the aroma of perfume compositions, perfumed articles and colognes.... | 10/25/1994 |
| 5283352 | Pharmacologically active compounds, methods for the preparation thereof and compositions containing the same Catechol compounds of formula I ##STR1## where R1, R2, R3 and X are as described herein are effective Catechol-O-methyltransferase inhibitors.... | 02/01/1994 |
| 5274176 | Process for the production of substituted vinylbenzenes A process for the production of substituted vinylbenzenes of the general formula: ##STR1## wherein R is a lower alkyl group having 1 to 4 C atoms, R1 is hydrogen or an acetyl group and R2 is hydrogen, a lower alkyl group ha... | 12/28/1993 |
