Bizarre Patents
Decorative Jeweled Wheel Cover
An improved wheel is provided wherein decorative items such as gem stones are embedded in either the wheel surface, a special mounting section attached to the wheel surface, or to a spoke strap that wraps around each spoke and positions embedded gem stones on the outside surface of the spoke.
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| Number | Title | Issue Date |
| 7371324 | Chemical process A process for extracting from aqueous solution the alkali metal or ammonium salt of a phenol, naphthol, anthrol or phenanthrol or the corresponding thiol, which comprises contacting an aqueous alkaline or neutral solution of the alkali metal or ammonium salt, in whi... | 05/13/2008 |
| 6939993 | Method for separation of reaction products from catalysts Method for separating reaction product from imide compound catalyst represented by Formula (1) or derivative thereof in reaction mixture obtained by reaction in presence of imide compound catalyst: wherein R1 | 09/06/2005 |
| 6914027 | Polymerization reactor operability using static charge modifier agents The present invention relates to a catalyst composition and a method for making the catalyst composition of a polymerization catalyst and a static charge modifier. The invention is also directed to the use of the catalyst composition in the polymerization of olefin(... | 07/05/2005 |
| 6911410 | Catalyst composition containing an aluminoxane for dimerizing, co-dimerizing and oligomerizing olefins A catalyst composition for use in dimerizing, co-dimerizing or oligomerizing olefins results from dissolving a nickel compound, optionally mixed or complexed with a ligand, in a medium resulting from mixing: at least one quaternary... | 06/28/2005 |
| 6867332 | Process for producing xanthohumol present in hops and xanthohumol-rich hop extract obtainable thereby A process is specified by which the xanthohumol present in hops can be isolated in high yield in an economical manner. In the process an ethanol pure resin extract is first extracted with a liquid or supercritical solvent in which the xanthohumol is insoluble and th... | 03/15/2005 |
| 6844470 | Process for the purification of 1,3-diketones A process for the purification of 1,3-diketones comprising reacting a 1,3-diketone with an earth metal or alkaline earth metal complexing agent in an organic solvent, isolating, washing and decomposing the resulting complex, and isolating the purified 1,3-diketone. | 01/18/2005 |
| 6833468 | Process for producing 4,4,4-trifluoro-3-hydroxybutyric acid derivatives A first process for producing an optically active perfluoroalklylcarbinol derivative includes (a) reacting an optically active imine with a compound that is a hemiacetal of a perfluoroalkylaldehyde or a hydrate of a perfluoroalkylaldehyde to obtain a condensate; and... | 12/21/2004 |
| 6642409 | Process for producing 4,4,4-trifluoro-3-hydroxybutyric acid derivatives A first process for producing an optically active perfluoroalklylcarbinol derivative includes (a) reacting an optically active imine with a compound that is a hemiacetal of a perfluoroalkylaldehyde or a hydrate of a perfinoroalkylaldehyde to obtain a cond... | 11/04/2003 |
| 6639100 | Process for producing 4,4,4,-trifluoro-3-hydroxybutyric acid A process for producing an optically active perfluoroalkylcarbinol by reacting an optically active imine with a hemiacetal or hydrate of a perfluoroalkylaldehyde to obtain a condensate, and hydrolyzing the condensate under acidic conditions. Optical purit... | 10/28/2003 |
| 6313351 | Process for producing alicyclic monoketones and process for producing alicyclic diketones The process for producing alicyclic monoketones (hydroxyphenylcyclohexanone derivatives) according to the present invention comprises hydrogenating substituted bisphenols such as bisphenol A in a solvent in the presence of a palladium/alkali metal catalys... | 11/06/2001 |
| 6245945 | Selective hydrolysis of acetals or ketals in the presence of phthalides A process for the selective hydrolysis of acetals in the presence of phthalides comprises reacting a mixture (M) comprising a) a phthalide of the formula (I) ##STR1## where: R1,R2,R3 and R4 : are independently hydrog... | 06/12/2001 |
| 6211413 | Process for the preparation of phenyl alkyl ketones and benzaldehydes There is provided a process for the preparation of compounds of formula I ##STR1## wherein: X is H or F, Y is CF3 or F and R1 is hydrogen or C1 -C2 alkyl; in which process ##STR2## (1) a compound of formula II, where... | 04/03/2001 |
| 6030588 | Zone refiner apparatus and method for purifying organic substances A high speed zone refiner (10) includes a plurality of elongated heating elements (23) mounted side by side to provide a plurality of spaced elongated heating zones and a sample tray (44) for holding an impure organic specimen. The zone refiner also inclu... | 02/29/2000 |
| 5892124 | Process for dienoic condensation known as the diels-alder reaction Improved process for implementing the Diels-Alder reaction that consists in using reagents in the presence of at least one liquid salt of general formula Q+ A-, in which Q+ represents a quaternary ammonium and/or phosphon... | 04/06/1999 |
| 5861415 | Bioprotectant composition, method of use and extraction process of curcuminoids Curcuminoids have been found to have anti-oxidant, anti-inflammatory, antibacterial, antifungal, antiparasitic, anti-mutagen, anticancer and detox properties. The present invention is directed to compositions containing three curcuminoids, i.e. curcumin, ... | 01/19/1999 |
| 5777171 | Method of purifying arylphenones Hydroxy and alkyloxy benzophenones, also known as arylphenones, are efficiently and economically purified by contacting them with inorganic phosphorous compounds in the presence of a non-polar solvent. Best results are obtained when the arylphenone is the... | 07/07/1998 |
| 5750793 | Process for the synthesis of nabumetone New process for the synthesis of the antiinflammatory drug known as nabumetone that consists in reacting 2-acetyl-5-bromo-6-methoxynaphthalene with an alkyl acetate in presence of an alkaline alcoholate to get 4-(5-bromo-6-methoxy-2-naphthyl)-4-hydroxybut... | 05/12/1998 |
| 5628988 | Ketotricyclo[5.2.1.0]decane derivatives The invention relates to ketotricyclo[5.2.1.0]decane derivatives of the formula I ##STR1## wherein Phe is a phenyl group which is unsubstituted or substituted by 1 to 5 hydroxyl, alkyl or alkoxy groups having 1 to 10 C atoms, and their preparation an... | 05/13/1997 |
| 5629454 | Conformationally locked nucleoside analogues Conformationally locked 4',6'-cyclopropane-fused carbocyclic nucleoside analogues. The compounds are prepared by condensing a cyclopropane-fused carbocyclic allylic alcohol with substituted purine or pyrimidine bases. The condensation products are then mo... | 05/13/1997 |
| 5302759 | Process for separating ketones from alcohols The invention relates to a process for separating ketones from alcohols by chemical interaction. More specifically, a difference in chemical reactivity between ketones and alcohols with a third compound is used as a basis for the separation. The third com... | 04/12/1994 |
| 5288916 | Enantiomeric resolution of 4-(3,4-dichlorophenyl)-3,4-dihydro-1(2H)-naphthalenone There is disclosed a method of separating enantiomers of 4-(3',4'-dichlorophenyl)-3,4-dihydro-1(2H)-naphthalenone comprising contacting the same with a homogeneous or nonhomogeneous liquid mixture of solvent and water, the mixture containing substantially... | 02/22/1994 |
| 5240568 | Removal of acetophenone from phenol purification residues A process for separating phenol obtained by the decomposition of cumene hydroperoxide from high boiling impurities, includes the following steps: a) feeding phenol rectification bottoms comprising phenol, acetophenone, cumylphenol, alpha-methylstyrene dimers a... | 08/31/1993 |
| 5138098 | 2-acyl-6-methylnaphthalene preparation A regioselective acylation process is provided for coverting a 2-methylnaphthalene compound to a 2-acetyl-6-methylnaphthalene compound. The process is conducted under liquid phase conditions in an acylation inert solvent using a complexing agent which is ... | 08/11/1992 |
| 5126487 | Process for the preparation of 2-alkyl-4-acyl-6-tert-butylphenol compounds The subject invention relates to a process for the preparation of 2-alkyl-4-acyl-6-tert-butylphenol compound having the chemical structure: ##STR1## wherein -R is an aliphatic group having a terminally unsaturated moiety selected from --C.tbd.CH and ... | 06/30/1992 |
| 5068448 | Process for the production of 4'-isobutylacetophenone A continuous process is provided for the production of 4'-isobutylacetophenone (4-IBAP) comprising feeding liquid hydrogen fluoride (HF) and an acetylating agent into an extractor-reactor to form a first, HF-rich phase containing the acetylating agent, fe... | 11/26/1991 |
| 5026917 | Preparation of 2-acyl-6-methylnaphthalenes A regioselective acetylation process is provided for converting a 2-methylnaphthalene compound to a 2-acetyl-6-methylnaphthalene compound. The process is conducted under liquid phase conditions using a new complexing agent which is regiospecific for the b... | 06/25/1991 |
| 4990678 | Purification of halogenated aromatic sulfones or ketones A process for purifying a halogenated aromatic sulfone or ketone compound comprising contacting the compound with a solvent having a normal boiling point less than about 225° C. to form a mixture, heating the mixture to a temperature above the normal boi... | 02/05/1991 |
| 4990681 | Method for removing hydrogen fluoride from mixtures comprising aromatic ketones A method is provided for separating hydrogen fluoride (HF) from a mixture comprising HF complexed with an aromatic ketone in which the keto carbon atom is directly bonded to an aromatic ring carbon atom, e.g., 4-isobutylacetophenone, by adding a carboxyli... | 02/05/1991 |
| 4967011 | Process for decomposing aromatic acylated compound.HF-BF3 complex The present invention relates to a process for decomposing an aromatic acylated compound.HF-BF3 complex in preparing an aromatic acylated compound by decomposing an aromatic acylated compound.HF-BF3 complex obtained by reacting an ar... | 10/30/1990 |
| 4910344 | Treatment of compositions containing water and organic oxygenates Aqueous compositions containing organic oxygenates such as methyl isobutyl ketone are treated by pervaporation through a polyvinyl alcohol/polyacrylic acid membrane to yield retentate containing increased concentration of oxygenate.... | 03/20/1990 |
| 4683341 | Optical resolution of oxycyclopentenone The optical resolution of an enantiomer mixture of oxycyclopentenone or a derivative thereof is conducted with a polysaccharide derivative.... | 07/28/1987 |
| 4663485 | Process for purifying 4-hydroxyacetophenone A process is provided for the distillation of a composition containing 4-hydroxyacetophenone and hydrogen fluoride in the presence of an alkane assisting solvent having from 4 to 16 carbon atoms e.g. n-hexane or n-octane. The process is carried out to obt... | 05/05/1987 |
| 4612399 | Purification of 4-fluoro-4'-hydroxybenzophenone A mixture of isomers of fluoro-4'-hydroxybenzophenone are dissolved in an aqueous solution of a base, for example sodium hydroxide, and sufficient acid is added to reduce the pH to not less than 9 and to precipitate 4-fluoro-4'-hydroxybenzophenone having ... | 09/16/1986 |
| 4568429 | Process for the preparation of 2,4-dihydroxybenzophenones 2,4-Dihydroxybenzophenone is prepared substantially quantitatively and in a highly purified form by reacting resorcinol with a benzotrihalide in the presence of an aqueous solution of N-methylpyrrolidone and subsequently subjecting the crude reaction prod... | 02/04/1986 |
| 4497960 | Chiral, optically active compounds useful as protective groups for hydroxy, thiol and amino compounds The invention declares new chiral, optically active compounds of the general formula ##STR1## wherein a 5 or 6 membered lactol ring (E), with X and Y meaning (CR1 R2)n, with n=0 to 2 and R1, R2 =... | 02/05/1985 |
| 4487934 | Method of preparing poly-substituted acylbenzenes A method of preparing substituted acylbenzenes is disclosed. The method comprises reacting selected acylhalides or equivalents with a selected poly-substituted benzene in the presence of an acylating catalyst comprising a perfluoro sulfonic acid polymer.... | 12/11/1984 |
| 4433173 | Acetophenone purification Purification of acetophenone containing difficultly separable impurities by extractive distillation with a solvent selected from the group consisting of oligomers of 1,2-glycols, said oligomers having from 4 to 9 carbon atoms per molecule.... | 02/21/1984 |
| 4423248 | Process for zone refining with a helical solution zone A process for refining an impure material using a helical solution zone and employing a common solvent for both material to be purified and impurity.... | 12/27/1983 |
| 4385005 | Process for separating unsaturated hydrocarbons using copper or silver complexes with fluorinated diketonates A process of removing unsaturated hydrocarbons containing at least one non-aromatic unsaturation from feedstreams which comprises contacting the feedstream with at least one of Cu2 O or Ag2 O and a fluorinated acetylacetonate of the ... | 05/24/1983 |
| 4371721 | Selective cracking of disubstituted benzenes having polar substituents A process for selective cracking of 1,4-disubstituted benzene compounds having at least one polar substituent. Mixtures containing isomers of such a compound are brought into contact with a specified type of shape selective crystalline zeolite catalyst un... | 02/01/1983 |
