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| Number | Title | Issue Date |
| 7488859 | Method for producing adamantane A method for producing adamantane includes isomerizing exo-tetrahydrodicyclopentadiene into adamantane in an acidic chloroaluminate ionic liquid composed of aluminum(III) trichloride and a quaternary ammonium halide having a quaternary ammonium cation selected from ... | 02/10/2009 |
| 7422908 | Chemiluminescent 1,2-dioxetanes A method of generating light through chemiluminescence involves providing a stable 1,2-dioxetane of the formula: Wherein (a) R1 and R2 are each, individually, a chemical reactive site or when fused tog... | 09/09/2008 |
| 7402716 | Hybrid cubic/hexagonal diamondoids Novel compounds having a hybrid cubic/hexagonal diamond crystal structure are disclosed. Each of the four compounds have the stoichiometric formula C26H32 and a molecular weight of 344. The four compounds are contemplated to have a utility in d... | 07/22/2008 |
| 7393987 | Process for producing adamantane The present invention provides a process of an industrially advantageous production of high-purity adamantane at a low cost and with a high efficiency by isomerizing trimethylenenorbornane contained in a raffinate obtained from a platfinate. ... | 07/01/2008 |
| 7381855 | Process for producing adamantane An industrially advantageous process for producing adamantane by which high-purity adamantane reduced in coloration is efficiently produced while minimizing the loss. The process, which is for producing adamantane by isomerizing trimethylenenorbornane, includes (A) ... | 06/03/2008 |
| 7224532 | Optical uses diamondoid-containing materials Novel optical devices based on diamondoid-containing materials are disclosed. Materials that may be fabricated from diamondoids included diamondoid nucleated CVD films, diamondoid-containing CVD films, molecular crystals, and polymerized materials. Devices that may ... | 05/29/2007 |
| 7214641 | Catalyst and hydrogenation of carbonyl compounds in the liquid phase using the catalyst The present invention provides a process for hydrogenating carbonyl compounds, in particular C4-dicarboxylic acids to mixtures of tetrahydrofuran and gamma-butyrolactone, over supported rhenium catalysts, wherein rhenium and at least one further metal of ... | 05/08/2007 |
| 7173160 | Processes for concentrating higher diamondoids Hydroprocessing such as hydrocracking is advantageously employed in processes for the recovery and purification of higher diamondoids from petroleum feedstocks. Hydrocracking and other hydroprocesses degrade nondiamondoid contaminants. ... | 02/06/2007 |
| 7145048 | Process for producing adamantane or analogue The invention relates to a method of selectively producing adamantanes in a production apparatus made of an inexpensive material, not having any negative influence on the natural environment. The method for producing adamantanes includes isomerizing a tricyclic satu... | 12/05/2006 |
| 7141188 | Organic compositions The present invention provides a composition comprising: (a) dielectric material; and (b) porogen comprising at least two fused aromatic rings wherein each of the fused aromatic rings has at least one alkyl substituent thereon and a bond exists between at least two ... | 11/28/2006 |
| 7049386 | Compositions and methods for thermosetting molecules in organic compositions In a method of producing a low dielectric constant polymer, a thermosetting monomer is provided, wherein the thermosetting monomer has a cage compound or aryl core structure, and a plurality of arms that are covalently bound to the cage compound or core structure. I... | 05/23/2006 |
| 7049005 | Organic compositions The present invention provides a composition comprising: (a) thermosetting component comprising (1) optionally monomer of Formula I as set forth below and (2) at least one oligomer or polymer of Formula II set forth below where E i... | 05/23/2006 |
| 7034194 | Compositions comprising decamantanes and processes for their separation Disclosed are compositions comprising one or more decamantanes. Specifically disclosed are compositions comprising 25 to 100 weight percent of one or more decamantanes. Also disclosed are novel processes for the separation and isolation of decamantane components int... | 04/25/2006 |
| 7019183 | Process for producing adamantane compound It is made possible to efficiently produce adamantane and analogues thereof, namely a hydrocarbon having an adamantane structure by a process which comprises isomerizing a tricyclic saturated hydrocarbon having ten or more carbon atoms in the presence of a solid-aci... | 03/28/2006 |
| 6998178 | Organic compositions The present invention provides a composition comprising: (a) thermosetling component comprising (1) optionally at least one monomer of Formula I as sel forth below and (2) at least one oligomer or polymer of Formula II set forth below where E is a cage ... | 02/14/2006 |
| 6949618 | Polymer compound, precursor for the same and thin film-forming method using the same polymer precursor Provided are polyimide and a thin film thereof which have a three-dimensional structure and therefore are excellent in a mechanical strength and a heat resistance as compared with those of conventional linear polyimide. The polyimide is obtained from a salt of multi... | 09/27/2005 |
| 6861569 | Processes for the purification of higher diamondoids and compositions comprising such diamondoids Disclosed are processes for the recovery and purification of higher diamondoids from a hydrocarbonaceous feedstock. Specifically disclosed is a multi-step recovery process for obtaining diamondoid compositions enhanced in tetramantane components and other higher dia... | 03/01/2005 |
| 6844477 | Processes for the purification of higher diamondoids and compositions comprising such diamondoids Disclosed are processes for the recovery and purification of higher diamondoids from a hydrocarbonaceous feedstock. Specifically disclosed is a multi-step recovery process for obtaining diamondoid compositions enhanced in tetramantane components and higher diamondoi... | 01/18/2005 |
| 6831202 | Compositions comprising octamantanes and processes for their separation Disclosed are compositions comprising one or more octamantanes. Specifically disclosed are compositions comprising 25 to 100 weight percent of one or more octamantanes. Also disclosed are novel processes for the separation and isolation of octamantane components int... | 12/14/2004 |
| 6828469 | Compositions comprising heptamantane and processes for their separation Disclosed are compositions comprising one or more heptamantanes. Specifically disclosed are compositions comprising 25 to 100 weight percent of one or more heptamantanes. Also disclosed are novel processes for the separation and isolation of heptamantane components ... | 12/07/2004 |
| 6815569 | Compositions comprising tetramantanes and processes for their separation Disclosed are compositions comprising one or more tetramantanes. Specifically disclosed are compositions comprising 10 to 100 weight percent of one or more tetramantanes. Also disclosed are novel processes for the separation and isolation of tetramantane components ... | 11/09/2004 |
| 6812370 | Compositions comprising hexamantanes and processes for their separation Disclosed are compositions comprising one or more hexamantanes. Specifically disclosed are compositions comprising 25 to 100 weight percent of one or more hexamantanes. Also disclosed are novel processes for the separation and isolation of hexamantane components int... | 11/02/2004 |
| 6812371 | Compositions comprising nonamantanes and processes for their separation Disclosed are compositions comprising one or more nonamantanes. Specifically disclosed are compositions comprising 25 to 100 weight percent of one or more nonamantanes. Also disclosed are novel processes for the separation and isolation of nonamantane components int... | 11/02/2004 |
| 6784328 | Process for producing adamantane compound The invention relates to a method of selectively producing adamantanes in a production apparatus made of an inexpensive material, not having any negative influence on the natural environment. The method for producing adamantanes includes isomerizing a tricyclic satu... | 08/31/2004 |
| 6562422 | Polymer for optical compensatory films for display panels The invention provides a polymer for optical compensatory films for display panels. The repeating unit of the polymer contains the derivitives of 2,2-Bis-(4-aminophenyl)adamantane). The structure of the monomer is not polar and it is able to straighten an... | 05/13/2003 |
| 6531107 | Fabrication of molecular nanosystems The invention relates to structural subunits called "synthons" which are suitable for use in the design and manufacture of molecular nanostructures, machines, and devices. The synthon comprises polyhedra units and other species which exhibit rigid structu... | 03/11/2003 |
| 6515165 | Process for producing t-butyl esters of bridged-ring polycarboxylic acids In a process of the present invention for producing a bridged cyclic polycarboxylic acid t-butyl ester, a bridged cyclic polycarboxylic halide of following Formula (1): ##STR1## (wherein ring Z is a bridged cyclic carbon ring; X is a halogen atom; and m ... | 02/04/2003 |
| 6472575 | Process for producing adamantane A process for producing adamantane (tricyclodecane[3.3.1.13,7 ]) by isomerization reaction of tetrahydrodicyclopentadiene (tricyclodecane[5.2.1.02,6 ]) with a HF.BF3 catalyst, wherein the reaction is carried out in the pre... | 10/29/2002 |
| 6310108 | Process for synthesis at atmospheric distillate that comprises the use of Fischer-Tropsch technology Production of atmospheric distillate from a hydrocarbon feedstock that comprises a stage for the formation of a gas mixture that contains hydrogen and carbon monoxide, an at least partial conversion stage of the gas mixture that is obtained so as to obtai... | 10/30/2001 |
| 6133488 | Processes for separating adamantanols With the use of an aqueous solvent containing at least water (e.g. water), and at least one organic solvent selected from esters or ketones and separable from the aqueous solvent, the processes of the invention separate (1) an adamantanediol and an adaman... | 10/17/2000 |
| 5648578 | Preparation of polyalkylated cyclopentadienes from isobornyl carboxylates A process for preparing tetraalkylated cyclopentadienes comprises (a) pyrolyzing an isobornyl carboxylate so as to form a mixture of 1,2,3- and 1,2,4-trimethylcyclopentadienes, (b) alkylating said mixture with an alkylating agent so as to form a mixture o... | 07/15/1997 |
| 5574036 | Adamantyl-substituted polycyclic acetylene compounds and pharmaceutical/cosmetic compositions comprised thereof Novel pharmaceutically/cosmetically-active adamantyl-substituted polycyclic acetylene compounds have the structural formula (I): ##STR1## wherein Ar is a radical having one of the formulae (a)-(f): ##STR2## and are useful for the treatment of a ... | 11/12/1996 |
| 5516884 | Preparation of polycarbynes and diamond-like carbon materials made therefrom Synthesis and characterization of polycarbynes, a new class of carbon-based random network polymers. The network backbones of the polymers are composed of tetrahedrally hybridized carbon atoms, each bearing one substituent and linked via three carbon-carb... | 05/14/1996 |
| 5498812 | Two-stage process for producing diamondoid hydrocarbons The present invention provides a hydrogenation process for producing diamondoid compounds from a petroleum feedstream containing multiple ring naphthenes comprising the steps of: (a) converting multiple ring naphthenes to alkyl substituted adamantanes in ... | 03/12/1996 |
| 5400427 | Fiber optic cable and viscous filler material The invention provides a fiber optic cable and a diamondoid-based viscous filling material for a fiber optic cable.... | 03/21/1995 |
| 5369213 | Oxidative coupling of diamondoids and aromatics The present invention provides a method for arylating a diamondoid compound having at least one unsubstituted bridgehead carbon with an aromatic compound having at least one unsubstituted ring-member carbon comprising reacting said diamondoid compound wit... | 11/29/1994 |
| 5362916 | Synthesis of mercaptaryl or hydroxyaryl enol ether alkali metal salts Hydroxyaryl enol ether alkali metal salts having the formula: ##STR1## in which T is a fused, substituted or unsubstituted polycycloalkylidene group, OR3 is an ether group Y is a light-emitting fluorophore-forming group which will be part ... | 11/08/1994 |
| 5347063 | Method for direct arylation of diamondoids The present invention provides a method for arylating a non-halogenated diamondoid compound comprising the steps of: (a) providing a non-halogenated diamondoid compound or mixture of non-halogenated diamondoid compounds and an aromatic compound or mixture ... | 09/13/1994 |
| 5345020 | Method for making diamondoid lubricant base stock by alkylation with an olefin in the presence of a Lewis acid The invention provides a method for selectively alkylating a diamondoid compound comprising reacting at least one -olefin containing at least six carbon atoms with at least one diamondoid compound in the presence of an acid catalyst selected from t... | 09/06/1994 |
| 5306851 | High viscosity index lubricant fluid The invention provides a composition comprising at least about 10 different diamondoid compounds selected from the group consisting of methyl-substituted and ethyl-substituted adamantane, diamantane, and triamantane, wherein each of said selected diamondo... | 04/26/1994 |
