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| Number | Title | Issue Date |
| 7446234 | Bisphenol compound and process for preparation thereof The present invention provides a novel bisphenol compound of formula (I). wherein R1 and R2 are the same or different and are independently either hydrogen or methyl at each occurrence. The present inv... | 11/04/2008 |
| 7414160 | Process for producing aromatic compounds A process produces an aromatic compound by bringing an aromatic compound (B) into contact with molecular oxygen (C) in the presence of a catalyst (A) comprising at least one of (A1) a heteropolyacid and/or a salt thereof, and (A2) a mixture of oxoacids and/or salts ... | 08/19/2008 |
| 7291756 | Method for producing molecular compound A method for producing a molecular compound which comprises mixing and kneading a solid host compound and a solid or liquid guest compound by using a kneader and optionally followed by extruding and granulating, wherein the method further comprises one or more of th... | 11/06/2007 |
| 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 |
| 7125951 | Monomers containing at least one biaryl unit and polymers and derivatives prepared therefrom The invention relates to bisphenol monomers containing one or more biaryl units and related polymers, derivatives and resins thereof and more particularly to Bisphenol monomers containing two biaryl units separated by a spacer group X, and to bisphenol monomers cont... | 10/24/2006 |
| 7126031 | Bridged bi-aromatic ligands, catalysts, processes for polymerizing and polymers therefrom New ligands and compositions with bridged bis-aromatic ligands are disclosed that catalyze the polymerization of monomers into polymers. These catalysts with metal centers have high performance characteristics, including higher comonomer incorporation into ethylene/... | 10/24/2006 |
| 7119123 | Antimicrobially active 4-methyl-4-aryl-2-pentanols, their preparation and use Antimicrobially active 4-methyl-4-aryl-2-pentanols of the Formula 1 below, methods for the preparation of these compounds and their use as antimicrobial active compounds are described. Surprisingly, compounds of th... | 10/10/2006 |
| 7091292 | Bridged bi-aromatic catalysts, complexes, and methods of using the same Ligands, compositions, metal-ligand complexes and arrays with substituted bridged bis-biaromatic ligands, and methods of making and using the same, are disclosed that are useful in the catalysis of transformations such as the polymerization of monomers into polymers... | 08/15/2006 |
| 7087799 | Amino group containing phenol derivative An object of the present invention is to provide a material which resolves the drawbacks associated with polyimide polymers, and yet retains the advantages offered by conventional polyimide polymers. An amino group containing phenol derivative of the present ... | 08/08/2006 |
| 7022873 | Antibiotics Cyan-416 A, Cyan-416 B, Cyan-416 C, Cyan-416 D and Cyan-416 E, and ester derivatives of Cyan-416 B The invention relates to new antibiotics designated Cyan-416A, Cyan 416B, Cyan-416C, Cyan-416D and Cyan-416E to their production by fermentation of Acremonium sp. NRRL 30631 to methods for recovery and concentration from the crude solutions, and to a process ... | 04/04/2006 |
| 7019179 | Process for producing aromatic compounds A process produces an aromatic compound by bringing an aromatic compound (B) into contact with molecular oxygen (C) in the presence of a catalyst (A) comprising at least one of (A1) a heteropolyacid and/or a salt thereof, and (A2) a mixture of oxoacids and/or salts ... | 03/28/2006 |
| 6992166 | Phenolic resin and method of producing the same A phenolic resin obtainable by reacting a dihydroxy compound of the following formula (1) with a phenolic compound, wherein the dihydroxy compound is partially dehydrated. ... | 01/31/2006 |
| 6906226 | Hydroxymethyl-substituted polyfunctional phenols Hydroxymethyl-substituted polyfunctional phenols, expressed by the following structure: General structure (I) (wherein X represents: bivalent group (a) expressed by the following structure: General ... | 06/14/2005 |
| 6872858 | Diphenol and process for producing the same The invention provides a diphenol represented by the general formula (I) wherein X is a divalent cyclic hydrocarbon group selected from 1-cyclohexene-1,4-ylene group, 1,4-cyclohexylene group and p-phenylene group, R is... | 03/29/2005 |
| 6620978 | Positive photoresist composition and process for synthesizing polyphenol compound The present invention provides a positive photoresist composition including (A) an alkali-soluble resin and (B) a photosensitizer, and the ingredient (B) is a quinonediazide ester of, for example, 2,6-bis[4-hydroxy-3-(2-hydroxy-3,5-dimethylbenzyl)-2,5-dim... | 09/16/2003 |
| 6365775 | Biphenyl compounds and their use as oestrogenic agents Compounds of formula (I), wherein [X] represents aromatic carbocyclic rings (A) and (B), where R1, R2, R3, R4, R5, R6 and R7 are as defined in the description, salts thereof, a method... | 04/02/2002 |
| 6358431 | Calixarenes A method of imparting a water repellent surface to a hydrophilic substrate which comprises contacting the substrate with a solution or dispersion of a suitable calixarene in a liquid medium.... | 03/19/2002 |
| 6344505 | Mono- and bis-benzotriazolyldihydroxybiaryl UV absorbers Provided is a composition which contains a mono- or bis-benzotriazole compound, an N-oxide thereof, or a mixture of at least two of the preceding compounds. Representative bis-benzotriazole compounds include 3,3'-bis-(2H-benzotriazol-2-yl)-5,5'-di-tert-oc... | 02/05/2002 |
| 6326522 | Process for production of 1,3-di(2-p-hydroxyphenyl-2-propyl)benzene The invention provides a process for production of 1,3-di(2-p-hydroxyphenyl-2-propyl)benzene which comprises: reacting 1,3-di(2-hydroxy-2-propyl)benzene with phenol in an amount of 4-6 times in mols the amount of the 1,3-di(2-hydroxy-2-propyl)benzene in the ... | 12/04/2001 |
| 6147119 | Biphenyl compounds and use thereof as oestrogenic agents Compounds of formula (I), wherein [X] represents aromatic carbocyclic rings (A) and (B), where R1, R2, R3, R4, R5, R6 and R7 are as defined in the description, salts thereof, a method... | 11/14/2000 |
| 5959158 | Method and system for bisphenol a production using water Methods/systems for making a relatively high-purity bisphenol A product from phenol and acetone. Controlled turbulence is used to form bisphenol A adduct solids having improved physical properties. Phenol is separated from the bisphenol A product while in... | 09/28/1999 |
| 5866724 | Positive resist composition and photosensitizers A positive photoresist compositions comprising, as a photosensitizer, a quinonediazide sulfonic acid ester of a phenol compound represented by the following formula (I): ##STR1## wherein Q1, Q2, Q3, Q4, Q | 02/02/1999 |
| 5770763 | Difunctional bitricyclodecatriene monomers Novel difunctionalized cyclobutabenzene monomers of the general formula: ##STR1## wherein Z can be hydrogens or a cyclobutane ring; and X and Y are carboxyl, amino, alcohol, isocyanate, acid halide, or bis-acyl halide groups. Exemplary difunctional b... | 06/23/1998 |
| 5744653 | Method for preparing 1,3-dihydroxy-4,6-bis(-methyl-(4'-hydroxyphenyl)ethyl)benz ene A method for preparing 1,3-dihydroxy-4,6-bis-methyl--(4'-hydroxyphenyl)ethy l!benzene represented by the following formula (1): ##STR1## comprising the step of initiating a reaction of resorcin with 4-isopropenylphenol in a... | 04/28/1998 |
| 5698600 | Process for the production of bisphenols with the use of new cocatalysts The invention relates to the synthesis of bisphenols from monophenols and carbonyl compounds such as aldehydes and ketones with concentrated mineral acids such as hydrochloric acid and/or hydrogen chloride gas as acid catalysts and a mercaptan as cocataly... | 12/16/1997 |
| 5618984 | Phenol aralkyl resins, preparation process thereof and epoxy resin compositions An allyletherificated phenol aralkyl resin is obtained through the reaction of a phenol aralkyl resin with an allyl halide in the presence of a base in an organic solvent at room temperature to 100° C. and changed into an allylated phenol aralkyl resin a... | 04/08/1997 |
| 5541282 | Aromatic polyhydroxy compounds and process for the preparation thereof The invention involves aromatic polyhydroxy compounds, including triaromatic bisphenols and tris-[1,1,1-(4-hydroxyphenyl)] toluenes, and a process for the preparation thereof by reacting a phenolic compound, e.g. phenol, with a suitable halo-compound, for... | 07/30/1996 |
| 5493060 | Method of making 1,1-bis-(4-hydroxyphenyl)-3,3,5-trimethylcyclohexane This invention provides a unique method of producing 1,1-bis-(4-hydroxyphenyl)-3,3,5-trimethylcyclohexane ("BPTMC"). The disclosed method manufactures BPTMC from ketals and hemithioketals of 3,3,5-trimethylcyclohexanone ("TMC"). The reaction takes place i... | 02/20/1996 |
| 5406003 | Phenolic compounds A phenolic compound is provided which can be described by the formula ##STR1## in which Ar is a C6-20 aromatic moiety, L is a cyclohexanenorbornane linking moiety, L' is a divalent cycloaliphatic moiety, and each of m and n is a number wit... | 04/11/1995 |
| 5382713 | Phenolic compounds A phenolic compound is provided which can be described by the formula ##STR1## in which Ar is a C6-20 aromatic moiety, L is a cyclohexanenorbornane linking moiety, L' is a divalent cycloaliphatic moiety, and each of m and n is a number wit... | 01/17/1995 |
| 5382710 | Aromatic polyhydroxy compounds and process for the preparation thereof The invention involves aromatic polyhydroxy compounds, including triaromatic bisphenols and tris-1,1,1-(4-hydroxyphenyl)] toluenes, and a process for the preparation thereof by reacting a phenolic compound, e.g. phenol, with a suitable halo-compound, for ... | 01/17/1995 |
| 5364977 | Clathrate compounds comprising tetrakisphenols as host The present invention provides novel clathrate compounds using tetrakisphenols as host. The clathrate compounds are obtained easily and efficiently by reacting tetrakisphenols represented by the general formula [I] as host and various organic compounds su... | 11/15/1994 |
| 5340937 | Avoiding sulfonic phenols in production of phenols This invention includes an improved process of converting a phenate to a phenol using acid in which a two phase system having an aqueous phase containing phenate and an organic, phenol-containing, phase are present, the improvement comprising adding the a... | 08/23/1994 |
| 5336752 | Method for producing phenolic resin A method is provided for producing a phenolic resin represented by the formula (I) ##STR1## wherein R1 is a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, R2 is a divalent cyclic hydrocarbon residue having 5 to 18 ... | 08/09/1994 |
| 5319149 | Bis[4'-(4-hydroxyphenyl)-phenyl]alkanes and polycarbonates prepared therefrom Bis[4-(4-hydroxyphenyl)-phenyl]alkanes, as illustrated by 2,2-bis[4-(4-hydroxyphenyl)-phenyl]propane, may be prepared by the reaction of a bisphenol A ester or a similar compound with a p-trialkyltin-substituted anisole, followed by demethylation with a L... | 06/07/1994 |
| 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 |
| 5300698 | Process for the prepartion of 1,3,5-tris(4'-hydroxyaryl)benzene Novel 4-substituted acetophenone anils and methods for preparing 1,3,5-tris(4'-hydroxyphenyl)benzenes from 4-substituted acetophenones such as 4-hydroxyacetophenones or, from substituted 4-hydroxyacetophenone-anils such as 4-hydroxyacetophenone-anil by re... | 04/05/1994 |
| 5283374 | Selected phenolic derivatives of 4-(4-hydroxyphenyl)-cyclohexanone and their use as sensitivity enhancers for radiation sensitive mixtures A radiation-sensitive composition comprising an admixture in a solvent of: at least one alkali-soluble binder resin, at least one photoactive compound and an effective sensitivity enhancing amount of at least one compound of formula (I): ##STR1## ... | 02/01/1994 |
| 5276213 | Special dihydroxydiphenyl bicycloalkanes, their production and their use for the production of high molecular weight polycarbonates Dihydroxydiphenyl bicycloalkanes characterized in that they contain 9 to 13 ring C atoms in the bicycloaliphatic component are disclosed. The disclosed compounds were found to be suitable for the preparation of high molecular weight, thermoplastic polycar... | 01/04/1994 |
| 5248838 | Process for preparing bisphenol fluorene compounds A process for preparing bisphenol fluorene products which comprises reacting fluorenone with a phenol compound in the presence of an acidic condensing agent in a solution of an organic liquid wherein the bisphenol fluorene compound is insoluble and recove... | 09/28/1993 |
