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| Number | Title | Issue Date |
| 7923587 | Anti-oxidant macromonomers and polymers and methods of making and using the same The present invention relates to macromonomer compounds possessing antioxidant properties, antioxidant polymers comprising the antioxidant macromonomers as a recurring unit, and methods of inhibiting oxidation in a substance comprising contacting the substance with ... | 04/12/2011 |
| 7772444 | Method for the production of resveratrol in a recombinant oleaginous microorganism Methods to produce resveratrol and/or resveratrol glucoside in a recombinant oleaginous microorganism are provided. Expression of a resveratrol synthase gene in combination with genes involved in the phenylpropanoid pathway enabled recombinant microbial production o... | 08/10/2010 |
| 7268260 | Fluorine-containing bisphenols, their preparation, their precursors and intermediates, and use of the fluorine-containing bisphenols This invention relates to 1,2-di(4-hydroxyaryl)tetrafluoroethanes of the general formula (I) wherein R are each, independently of one another, hydrogen, F, Cl, Br, I, CN, COOR2, C1 | 09/11/2007 |
| 7163961 | Drugs, foods and oral compositions containing stilbene-type compounds The present invention provides a composition for preventing or treating diseases accompanied by a decrease in bone weight, hypertension and diseases resulting from hypertension, the composition containing, as an active component, at least one member selected from th... | 01/16/2007 |
| 7132294 | Functionalized small molecules for use in chemical sensors The invention provides a device for selective molecular recognition, the device comprising a sensing portion, wherein said sensing portion includes a substrate having coated thereon a layer comprising a non-volatile, small molecule compound having at least two penda... | 11/07/2006 |
| 7112704 | Fluorine-containing bisphenols, their preparation, their precursors and intermediates, and use of the fluorine-containing bisphenols This invention relates to 1,2-di(4-hydroxyaryl)tetrafluoroethanes of the general formula (I) wherein R are each, independently of one another, hydrogen, F, Cl, Br, I, CN, COOR2, C1 | 09/26/2006 |
| 7082948 | Method of and apparatus for automatically coating the human body In a system for coating human skin, a chemical composition, such as a cosmetic or medical formulation, is uniformly coated over the entire body or selected parts of the body of the person being coated. The system includes atomization of the coating composition, cont... | 08/01/2006 |
| 7041089 | Automated system for coating the human body: virtual motion In a system for coating human skin, a coating composition, such as a cosmetic or medical formulation, is uniformly coated over the entire body or selected parts of the body of the person being coated. The system includes atomization of the coating composition, conta... | 05/09/2006 |
| 7026518 | Resveratrol analogs Novel resveratrol analogs that are potent antioxidants. The resveratrol analogs are illustrated in the following general formula I: ... | 04/11/2006 |
| 6936739 | Fluorine-containing bisphenols, their preparation, their precursors and intermediates, and use of the fluorine-containing bisphenols This invention relates to 1,2-di(4-hydroxyaryl)tetrafluoroethanes of the general formula (I) wherein R are each, independently of one another, hydrogen, F, Cl, Br, I, CN, COOR2, C1-C | 08/30/2005 |
| 6900356 | Polyhydroxy curcumins having antioxidant activity This invention relates to novel polyhydroxy curcumins of the formula (I), wherein R and R1 may be same or different and are selected from H, OH and OCH3. This invention also includes a process for synthesising the above polyhydroxy curcumins by... | 05/31/2005 |
| 6844471 | Method for the conversion of a Z-isomer into E-isomer A method of converting (Z)-1-(3,5-disubstituted phenyl)-2-(4-substituted phenyl)ethene of general formula (II) to (E)-1-(3,5-disubstituted phenyl)-2-(4-substituted phenyl)ethene of general formula (I) wherein R1 | 01/18/2005 |
| 6828439 | Compounds, composition, and methods for photodynamic therapy Disclosed are novel compounds, compositions, and methods that are particularly useful in photodynamic therapy. In particular, the inventive compounds, compositions, and methods relate to the formation of cytotoxic radical species in the presence of light. Significan... | 12/07/2004 |
| 6433236 | Acid catalyzed isomerization of substituted diaryls A substituted diaryl compound or a mixture of substituted diaryl compounds, such as dimethylbiaryl compounds are isomerized by treatment with a strong acid or mixtures of strong acids in the absence of any additional catalyst. The strong acid or mixture o... | 08/13/2002 |
| 6395910 | Production method of 5-phthalancarbonitrile compound, intermediate therefor and production method of the intermediate The present invention provides a production method of a 5-phthalancarbonitrile compound, which comprises the use of a novel compound of the formula [I] ##STR1## wherein X is chlorine atom, bromine atom or iodine atom, as a key intermediate. The metho... | 05/28/2002 |
| 6365787 | Compounds for the suppression of HIV TAT transactivation The present invention reveals the isolation, purification and characterization from the creosote bush Larrea tridentata of compounds of the structural formula: ##STR1## where R1, R2, R3 and R4 are each selected ... | 04/02/2002 |
| 6049014 | Process for the manufacture of tetrabromobisphenol-A with co-production of n-propyl bromide A process for producing n-propyl bromide during the bromination of bis- or trisphenols uses non-aqueous n-propanol as the bromination solvent, providing salable yields of n-propyl bromide to accompany the brominated bisphenol or trisphlenol.... | 04/11/2000 |
| 5939509 | Epoxy resin, resin composition, and resin-encapsulated semiconductor device The stilbene epoxy resin having two different aryl groups and an epoxy resin mixture including this stilbene epoxy resin have lower melting points than those of the stilbene epoxy resin having two identical aryl groups and the epoxy resin mixture of the l... | 08/17/1999 |
| 5880314 | Hydrochalcone derivatives, cosmetic compositions containing said derivatives and methods of producing the same The present invention can provide cosmetic formulations comprising hydrochalcone compounds of the general formula (I): ##STR1## in which R1 to R4 are each independently H or --COR, and R is an alkyl group having 1-20 carbon atom... | 03/09/1999 |
| 5874645 | Process for the preparation and purification of 4,4'-dihydroxy-alpha-substituted stilbene A process which includes the step of heating a compound of Formula (I): ##STR1## wherein R1 is a hydroxyphenyl group or a group of Formula (II): ##STR2## and R2, R3, R4, R5 and R6 are ... | 02/23/1999 |
| 5874647 | Benzene hydroxylation catalyst stability by acid treatment A zeolite catalyst for hydroxylating benzene to phenol is treated hydrothermally with a gas comprising approximately 1-100 mole percent water at a temperature between approximately 350°-950° C., and subsequently is treated with an acid. This treatment s... | 02/23/1999 |
| 5741822 | Mixed lipid-bicarbonate colloidal particles for delivering drugs A composition is disclosed containing non-esterified fatty acids having 14-18 carbon atoms, monoglycerides which are monoesters of glycerol and fatty acids having 14-18 carbon atoms, lysophosphatidylcholine in which the fatty acid moiety has 14-18 carbon ... | 04/21/1998 |
| 5723693 | Process for preparing and recovering 4,4'-dihydroxy-alpha-alkylstilbene or 4,4'-dihydroxy-alpha, alpha'dialkylstilbene A process for preparing a 4,4'-dihydroxy-alpha-alkylstilbene or 4,4'-dihydroxy-alpha,alpha'-dialkylstilbene which includes the steps of (A) reacting at a temperature of from -20° C. to 20° C. a mixture of: (1) at least one alpha-haloketone; (2) at least... | 03/03/1998 |
| 5723692 | Preparation of 4,4'-dihydroxy-'alkylstiblbene with reduced dimer formation Preparation of dihydroxy--alkylstilbenes with reduced undesirable by-products can be achieved by carrying out dehydrohalogenation of a substantially uniform dispersion of a halogenated intermediate of the desired product in the presence of water an... | 03/03/1998 |
| 5545399 | Cosmetic composition A composition for topical application to the skin in order to promote the repair of photo-damaged or aged skin and/or to reduce or prevent damaging effects of ultra-violet light on skin and/or to lighten the skin comprising a hydrocalchone of general stru... | 08/13/1996 |
| 5475154 | Method for producing high-purity bisphenols Low-color bisphenols may be produced by condensing phenol with ketones in the presence of a strong-acid cation exchange resin acting as an acid catalyst for the condensation reaction, and of a small amount, relative to the acid catalyst, of a weak-base an... | 12/12/1995 |
| 5473003 | Alkanediphenols Compositions comprising an organic material which is sensitive to thermal, oxidative and/or actinic degradation and at least one compound of the formula I ##STR1## in which Z1 and Z2 independently of one another are C1 | 12/05/1995 |
| 5414150 | Preparation of 4,4'-dihydroxy-alpha-alkylstilbenes and 4,4'-dihydroxy-alpha, alpha'-dialkylstilbenes 4,4'-Dihydroxy-alpha-alkylstilbenes of high purity are prepared by reacting at a temperature of from about -20° C. to about 20° C. a mixture of (1) at least one alpha-haloketone, (2) at least one phenolic hydroxyl-containing compound or alkoxy-containin... | 05/09/1995 |
| 5306748 | Fluorine-modified thermosetting resin and thermosetting resin composition Fluorine-modified thermosetting reins are available as phenolic or epoxy resins having trifluoromethyl groups and a naphthalene skeleton in a molecule. They are useful as components of resin compositions or resin modifiers and cure to products having low ... | 04/26/1994 |
| 5245084 | Mixture suited for crosslinking polymers and process for crosslinking polymers with extension of scorch time The mixture consists of at least one organic peroxide, at least one hydroquinone derivative of the general formulae I and/or II and/or III ##STR1## wherein R and R1, which may be identical or different, stand for H or t-alkyl, and X stands... | 09/14/1993 |
| 5185454 | Process for the preparation of symmetrical diarylacetylenes Symmetrical diaryl-acetylenes can be prepared by reacting an aryl halide with acetylene in the presence of a palladium catalyst and a base. If the acetylene is introduced into the liquid reaction mixture using a high intensity gas dispersion means, the ar... | 02/09/1993 |
| 5138103 | Process for producing tetrabromobisphenol A A process for producing tetrabromobisphenol A of high quality, which comprises brominating bisphenol A with bromine, wherein a solvent mixture comprising a hydrohalogenic acid and an alcohol, is used as the solvent for reaction. Also disclosed is a proces... | 08/11/1992 |
| 5136114 | Process for the preparation of geminal diarylalkanes, new geminal diarylalkanes and alk(en)ylated aromatic compounds The invention relates to a new process for the preparation of geminal diarylalkanes of the formula ##STR1## by Friedel-Crafts alkylation of aromatic compounds with specific aliphatic halogen compounds (addition compounds of CCl4 , to ... | 08/04/1992 |
| 5008471 | Process for the preparation of rooperol As a process for preparing a compound of the formula ##STR1## in which both Rs are H or --OH comprising the steps: a. of treating the ethyl ester of caffeic acid with a trialkylsilyl chloride at ambient conditions in equimolar proportions in the pres... | 04/16/1991 |
| 4962240 | Method for symmetrically dimerizing phenols and process for producing biphenols A method for symmetrically dimerizing phenols which comprises oxidizing phenols in molten state in the liquid phase using a transition metal compound as a catalyst and an oxygen-containing gas as an oxidizing agent to conduct dimerization; and a process f... | 10/09/1990 |
| 4960956 | Modified bisphenols having at least one arylcyclobutenealkyl moiety and cured products therefrom Ring-arylcyclobutenealkylated di(hydroxyphenyl) compounds having at least one arylcyclobutenealkyl moiety attached to at least one of the phenyl rings self-cure upon heating to produce rigid, relatively insoluble resins of the thermoset type.... | 10/02/1990 |
| 4956502 | Process for the preparation of rooperol derivative A process for preparing a compound of the formula ##STR1## in which both Rs and H or OH; comprising the steps a. of treating the ethyl ester of caffeic acid with trialkylsilyl chloride at ambient conditions in equimolar proportions in the presence of... | 09/11/1990 |
| 4954659 | 1,4-bis (dihydroxyphenyl) butane and analogs A grignard synthesis of pharmacologically active 1,4-bis(dihydroxyphenyl)butane and analogs, as well as novel intermediates, is provided, comprising preparing a grignard reagent preferably, a 3,4-dialkoxyphenyl propyl magnesium bromide, which may be ... | 09/04/1990 |
| 4927973 | Process for continuous purification of bisphenols A process for the continuous purification of crude bisphenol which comprises (1) forming a single liquid phase comprising a hot mixture of crude bisphenol and water in a ratio substantially of from about 75% to about 85% weight of crude bisphenol to about... | 05/22/1990 |
| 4791234 | Substantially pure spirobiindane bisphenols and method for their preparation Spirobiindane bisphenols of high purity, suitable for conversion to high molecular weight polycarbonates, are prepared by reacting a bisphenol or 4-isopropenylphenol with a metal halide Lewis acid or an alkanesulfonic acid, followed by removing impurities... | 12/13/1988 |
