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| Number | Title | Issue Date |
| 7425650 | Synthesis of asymmetric tetracarboxylic acids and corresponding dianhydrides This invention relates to processes for preparing asymmetrical biphenyl tetracarboxylic acids and the corresponding asymmetrical dianhydrides, namely 2,3,3′,4′-biphenyl dianhydride (a-BPDA), 2,3,3′,4′-benzophenone dianhydride (a-BTDA) and 3,4′-methylenedip... | 09/16/2008 |
| 7411100 | Process for the preparation of ring compounds In a process for the preparation of ring compounds via a combinatorial synthesis, the reaction procedure is based on a Suzuki coupling, subsequent halo-demetallation and finally a further Suzuki coupling. The Suzuki couplings are each carried out with a boronic acid... | 08/12/2008 |
| 7378547 | Process for the synthesis of hydroxy aromatic acids Hydroxy aromatic acids are produced in high yields and high purity (>95%) from halogenated aromatic acids in a reaction mixture containing a copper source and a ligand that coordinates to copper. ... | 05/27/2008 |
| 7358380 | Ru-substituted polyoxometalates and process for their preparation The invention relates to polyoxometalates represented by the formula (An)m+[R2(H2O)6X2W20O70]m− or solvates thereof, wherein A represents a cation, n is the number o... | 04/15/2008 |
| 7358391 | Process for the synthesis of hydroxy aromatic acids Hydroxy aromatic acids are produced in high yields and high purity (>95%) from halogenated aromatic acids in a reaction mixture containing a copper source and a ligand that coordinates to copper. ... | 04/15/2008 |
| 7355070 | Process for the synthesis of 2,5-dihydroxyterephthalic acid 2,5-dihydroxyterephthalic acid is produced in high yields and high purity from 2,5-dihaloterephthalic acid by contact with a copper source and a ligand that coordinates to copper under basic conditions. ... | 04/08/2008 |
| 7348452 | Liquid phase oxidation of P-xylene to terephthalic acid in the presence of a catalyst system containing nickel, manganese, and bromine atoms A method for liquid phase oxidation of p-xylene with molecular oxygen to terephthalic acid that minimizes solvent loss through solvent burn and minimizes the formation of incomplete oxidation products such as 4-carboxybenzaldehyde (4-CBA). P-xylene is oxidized at a ... | 03/25/2008 |
| 7276570 | Compositions for golf equipment Golf balls comprising thermoplastic, thermoset, castable, or millable elastomer compositions are presently disclosed. These compositions comprise at least one polymer having a plurality of amide linkages and a plurality of anionic moieties attached thereto. These co... | 10/02/2007 |
| 7265195 | Compositions for golf equipment Golf balls comprising thermoplastic, thermoset, castable, or millable elastomer compositions are presently disclosed. These compositions comprise at least one polymer having a plurality of amide linkages and a plurality of cationic moieties attached thereto. These c... | 09/04/2007 |
| 7256249 | Compositions for golf equipment Golf balls comprising thermoplastic, thermoset, castable, or millable elastomer compositions are presently disclosed. The compositions comprise at least one regioselective polyisocyanate having an asymmetric structure and comprising at least a first NCO group and a ... | 08/14/2007 |
| 7253242 | Compositions for golf equipment Golf balls comprising thermoplastic, thermoset, castable, or millable materials are presently disclosed. The materials have a rebound height percentage of greater than 60% and are formed from compositions comprising at least one resilient polyamine polydiene and/or ... | 08/07/2007 |
| 7253245 | Compositions for golf equipment Golf balls comprising thermoplastic, thermoset, castable, or millable elastomer compositions are presently disclosed. These elastomer compositions comprise reaction products of polyisocyanates and telechelic polymers having isocyanate-reactive end-groups such as hyd... | 08/07/2007 |
| 7169955 | Perfluoroisopropylbenzene derivative Perfluoroisopropylbenzene derivatives of the general formula (I) or salts thereof, useful as intermediates or raw materials in the synthesis of various industrial materials including agricultural chemicals, drugs and surfactants: | 01/30/2007 |
| 7157545 | Compositions for golf equipment Golf balls comprising thermoplastic, thermoset, castable, or millable elastomer compositions are presently disclosed. These elastomer compositions comprise reaction products of polyisocyanates and telechelic polymers having isocyanate-reactive end-groups such as hyd... | 01/02/2007 |
| 7138476 | Compositions for golf equipment Golf balls comprising thermoplastic, thermoset, castable, or millable elastomer compositions are presently disclosed. These compositions comprise at least one fatty compound chosen from fatty polyamines and fatty polyamine telechelics. These elastomer compositions c... | 11/21/2006 |
| 7138477 | Compositions for golf equipment Golf balls comprising thermoplastic, thermoset, castable, or millable elastomer compositions are presently disclosed. These elastomer compositions comprise reaction products of polyisocyanates and telechelic polymers having isocyanate-reactive end-groups such as hyd... | 11/21/2006 |
| 7138475 | Compositions for golf equipment Golf balls comprising thermoplastic, thermoset, castable, or millable elastomer compositions are presently disclosed. These elastomer compositions comprise at least one amine-terminated polyamide and at least one isocyanate-containing prepolymer. These elastomer com... | 11/21/2006 |
| 7115541 | Catalyst comprising n-substituted cyclic imides and processes for preparing organic compounds with the catalyst A catalyst of the invention includes an imide compound having a N-substituted cyclic imide skeleton represented by following Formula (I): wherein R is a hydroxyl-protecting group. Preferred R is a hydrolyzable pr... | 10/03/2006 |
| 7115703 | Compositions for golf equipment Golf balls comprising thermoplastic, thermoset, castable, or millable compositions are presently disclosed. These compositions comprise reaction products of polyacids and polyamines. The polyacid is chosen from polymerized fatty polyacids and polyacid telechelics. T... | 10/03/2006 |
| 7105628 | Compositions for golf equipment Golf balls comprising thermoplastic, thermoset, castable, or millable elastomer compositions are presently disclosed. These elastomer compositions comprise reaction products of polyisocyanates and telechelic polymers having isocyanate-reactive end-groups such as hyd... | 09/12/2006 |
| 7105623 | Compositions for golf equipment Golf balls comprising thermoplastic, thermoset, castable, or millable elastomer compositions are presently disclosed. These elastomer compositions comprise at least one poly(urethane-co-urea) prepolymer and at least one curative. These elastomer compositions can be ... | 09/12/2006 |
| 7101951 | Compositions for golf equipment A golf ball comprising at least one thermoplastic, thermoset, castable, or millable material formed from a composition comprising at least one telechelic polycarbonate having a generic structure of: where R1... | 09/05/2006 |
| 7098274 | Compositions for golf equipment A golf ball comprising at least one thermoplastic, thermoset, castable, or millable material formed from a composition comprising at least one telechelic polycarbonate copolymer formed from at least one polyol telechelic and at least one carbonate-forming compound; | 08/29/2006 |
| 7019165 | Polyoxometallate catalysts and catalytic processes An active and selective hydrocarbon partial oxidation catalyst comprises an activated partially-reduced polyoxometallate, preferably niobium polyoxomolybdate, that is prepared from a suitable polyoxoanion, which has been exchanged with a suitable cation and activate... | 03/28/2006 |
| 6867322 | Ester-forming monomer An ester-forming monomer obtained by depolymerization of polytrimethylene terephthalate and having an acrolein content of no greater than 0.5 wt %. Polymers obtained using the monomer and fibers, films and molded articles comprising the polymers. The ester-forming m... | 03/15/2005 |
| 6855845 | Process for the preparing bromoisophithalic acid compound The present invention relates to a process for preparing bromoisophthalic acid compounds, particularly 5-bromoisophthalic acid compounds and 4,5-dibromoisophthalic acid compounds comprising brominating an isophthalic acid compound of the general formula (1) | 02/15/2005 |
| 6765113 | Production of aromatic carboxylic acids A process for the production of an aromatic carboxylic acid comprising contacting in the presence of a catalyst, within a continuous flow reactor, one or more precursors of the aromatic carboxylic acid with an oxidant, such contact being effected with said precursor... | 07/20/2004 |
| 6723873 | Production of terephthalic acid and ethylene glycol from polyethlene terephthalate by ammoniolysis A process for forming reactants useful in the manufacture of polyethylene terephthalate includes the steps of: (a) contacting recyclable polyethylene terephthalate with ammonium hydroxide whereby a mixture of ammonium terephthalate and ethylene glycol is formed, (b)... | 04/20/2004 |
| 6720448 | Method of recovering chemical species by depolymerization of poly (ethylene terephthalate) and related use The present invention relates to a method of recovering a solution comprising the chemical species obtained by depolymerization of PET from a material containing poly(ethylene terephthalate) in the form of bottles, by making said material react, in the absence of wa... | 04/13/2004 |
| 6703422 | Sulfide and disulfide compounds and compositions for cholesterol management and related uses The present invention relates to novel sulfide and disulfide compounds, compositions comprising sulfide and disulfide compounds, and methods useful for treating and preventing cardiovascular diseases, dyslipidemias, dysproteinemias, and glucose metabolism... | 03/09/2004 |
| 6689898 | Antihistaminic piperidine derivatives and intermediates for the preparation thereof This invention relates to novel compounds of the formula: ##STR1## wherein R1 is H or C1 -C6 alkyl and the C1 -C6 alkyl moiety is straight or branched; R2 and R3 are each independentl... | 02/10/2004 |
| 6683208 | Optically active diphosphines, preparation thereof according to a process for the resolution of the racemic mixture and use thereof New optically active bis[1-phospha-2,3-diphenyl-4,5-dimethylnorbornadiene] diphosphines and new optically active transition metal complexes with said phosphines are described. The complexes are useful as catalysts to promote hydrogenation of substrates.... | 01/27/2004 |
| 6670503 | Method for recovery of terephthalic acid from a material containing poly(ethylene terephthalates) The present invention relates to a method of recovering terephthalic acid from a material containing poly(ethylene terephthalate) (P.E.T.) in the form of bottles, by making said material react, in the absence of water, with a reagent consisting of one or ... | 12/30/2003 |
| 6657077 | Method for producing a purified alkaline metal terephthalate, derived from the products of saponification of polyterephthalates The invention concerns a method for producing terephthalate of alkaline metal and alkylene glycol from recuperated alkylene polyterephthalate. It comprises saponification of said alkylene terephthalates with an aqueous sodium solution, adding a sufficient... | 12/02/2003 |
| 6617414 | Aromatic diamine/aromatic dicarboxylate and production method thereof The present invention provides aromatic diamine/aromatic dicarboxylate having the following formula (I) wherein each symbol is as defined in the specification, which is in the form of particles having a median diameter of 5-100 μm and whiteness of not le... | 09/09/2003 |
| 6610875 | Method for preparing chiral diphosphines The invention concerns a method for preparing a compound of formula (1) wherein: A represents naphthyl or phenyl optionally substituted; and Ar1, Ar2 independently represent a saturated or aromatic carbocyclic group, optionally subst... | 08/26/2003 |
| 6566548 | Molecular compounds containing novel carboxylic acid derivatives as the constituent compound Novel molecular compounds containing carboxylic acid derivatives represented by general formula (I) or (II) as the constituent compound and exhibiting excellent performances in various technical fields including selective separation of useful substances, ... | 05/20/2003 |
| 6562996 | Alkyl aromatic aldehydes A composition containing isomeric mixtures of arylaldehydes prepared from a mixed alkyl aromatic feedstock. A composition containing isomeric mixtures of dimethylbenzaldehydes prepared from a mixed xylene feedstock using a Gatterman-Koch type reaction. A ... | 05/13/2003 |
| 6562998 | Granules of 2-hydroxynaphthalene-3-carboxylic acid and method for preparing the same Granular product of 2-hydroxynaphthalene-3-carboxylic acid with well-suppressed dusting tendency, and process for preparing the same is provided. Granular product of 2-hydroxynaphthalene-3-carboxylic acid having an average particle size of 150 μm or more... | 05/13/2003 |
| 6562999 | Process for separation of crude naphthalene dicarboxylic acid using reverse osmosis Disclosed is a process for purifying 2,6-naphthalene dicarboxylic acid produced by disproportionation and more efficiently recycling byproduct dipotassium salts which includes the steps of: a) Contacting an aqueous solution containing the disalt of 2,6-ND... | 05/13/2003 |
