Lawrence Welk, the bandleader who entertained millions of Americans over a generation of broadcasting his TV show, once received a patent: for a music-themed design of an ashtray.
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| Number | Title | Issue Date |
| 7786334 | Catalytic process for the preparation of fluorinated halocarbons A process is described for the preparation of 2-chloro-1,1,1-difluoroethane by the reaction of 1,2-dichloro-1,1-difluoroethane with hydrogen fluoride. in the presence of a fluorination catalyst. The process utilizes a rate enhancing reagent that is trichloroethylene... | 08/31/2010 |
| D593013 | Exhaust manifold | 05/26/2009 |
| 7405333 | Process for the preparation of fluorinated halocarbons A improved process is described for the preparation of a substantially pure, liquefied stream of 1,1,1,2-tetrafluoroethane by the catalyzed reaction of trichloroethylene with hydrogen fluoride to form the intermediate 2-chloro-1,1,1-trifluoroethane and then reacting... | 07/29/2008 |
| 7345191 | Process for preparation of probucol derivatives A method is described for the preparation of polymorphic forms of water-soluble derivatives of probucol compounds having the following formula where R1, R2, R3, R4, R5,... | 03/18/2008 |
| 7294736 | Process for preparation of probucol derivatives A method is described for the preparation of polymorphic forms of water-soluble derivatives of probucol compounds having the following formula where R1, R2, R3, R4, R | 11/13/2007 |
| 7247744 | Process for the preparation of probucol derivatives A method is described for the preparation of polymorphic forms of water-soluble derivatives of probucol compounds having the following formula where R1, R2, R3, R4, R | 07/24/2007 |
| 7160526 | Process for detoxification of CCA-treated wood A chemical process for detoxifying spent CCA (copper, chrome, arsenic)—treated wood, from which CCA and detoxified wood are recovered for recycling comprising the steps of (a) treating CCA-treated wood in the presence of a liquefying reagent such as an organic sol... | 01/09/2007 |
| D525039 | Human head profile mirror | 07/18/2006 |
| D520250 | Mirror in the shape of a human head profile | 05/09/2006 |
| 6828336 | Nicotine-containing, controlled release composition and method A nicotine product having a nicotine release rate of not less than 70% over a 10 minute period as well as a process to produce such product. Such product is produced by a process comprising the steps of (a) preparing an aqueous solution of an organic po... | 12/07/2004 |
| D498306 | Glue chip beveled glass privacy window | 11/09/2004 |
| 6679650 | Pavement marking system The present invention is directed to an improved thermoplastic pavement marking composition system that comprises a pavement surface that is light in color (white or off-white). A first marking stripe is applied and adheres to the top of the pavement surf... | 01/20/2004 |
| 6673951 | Process for catalytically hydrogenating phytosterols The present invention provides a process for catalytically hydrogenating unsaturated phytosterol compounds. The catalyst used for such hydrogenation is an alumina-supported transition metal selected from the group consisting of nickel, palladium, platinum... | 01/06/2004 |
| 6586449 | Nicotine-containing, controlled release composition and method A nicotine product having a nicotine release rate of not less than 70% over a 10 minute period as well as a process to produce such product Such product is produced by a process comprising the steps of (a) preparing an aqueous solution of an organic polyol; (b... | 07/01/2003 |
| 6323359 | Process for preparing probucol derivatives A method is described for the preparation of water-soluble derivatives of probucol compounds having the following formula ##STR1## where R1 and R2 are the same or different and are alkyl, alkenyl or aryl having from 1 to 8 carbon ato... | 11/27/2001 |
| 6265579 | Process for preparing piperazine-substituted aliphatic carboxylates A process is disclosed for the preparation of a piperazine-substituted aliphatic carboxylate having the formula ##STR1## where m and n are individually an integer of from 1 to 6, R and R' are the same or different and are hydrogen, C1 to C... | 07/24/2001 |
| 6241368 | Electrical light fixture assembly An electrical light fixture assembly for attachment to a mounting panel having a front surface, a back surface and an installation hole formed therethrough. The assembly comprises a housing including a base having a rearwardly facing surface and having at... | 06/05/2001 |
| 6239277 | Process for preparing piperazine-substituted aliphatic carboxylates A process is disclosed for the preparation of a piperazine-substituted aliphatic carboxylate having the formula ##STR1## where m and n are individually an integer of from 1 to 6, R and R' are the same or different and are hydrogen, C1 to C... | 05/29/2001 |
| 6117458 | Swine feed composition A dry feed composition for swine is disclosed. The dry feed composition includes as ingredients at least one or more animal protein products, marine products, milk products, grain products, plant protein products and processed grain by-products as well as... | 09/12/2000 |
| 6063970 | Process for preparing fluorinated aliphatic compounds A process is disclosed for the preparation of a chlorofluoro aliphatic hydrocarbon having the formula CHa F3-a --CH2 --CHc Cl 3-c-b Fb wherein a and c are 0 or the integer 1 or 2 and b is the integer... | 05/16/2000 |
| 6034016 | Method for regenerating halogenated Lewis acid catalysts A method for removing high molecular weight solid and liquid tars and oligomers from halogenated Lewis acids catalysts is disclosed. The Lewis acids incorporating such tars and oligomers are treated with an oxidizing agent such as chlorine, a halogen fluo... | 03/07/2000 |
| 5981814 | Vapor phase process for preparing fluorinated aliphatic compounds A process is disclosed for the preparation of a fluorinated aliphatic hydrocarbon having the formula CHa F3-a --CH2 --CHb F3-b wherein a is 0 or the integer 1 or 2 and b is 0 or the integer 1, 2 or 3. The ... | 11/09/1999 |
| 5973215 | Process for separating and recovering hydrogen fluoride from mixtures A process is disclosed for the liquid phase separation and recovery of hydrogen fluoride from a mixture comprising hydrogen fluoride and a fluorinated organic hydrocarbon. The process requires that the mixture be treated with a sufficient amount of a coup... | 10/26/1999 |
| 5944962 | Process for photochlorination An improvement in the process for the photochlorination of liquid mixtures of 2 to 6 carbon-containing aliphatic hydrofluorohalocarbons or hydrofluorocarbons and unsaturated hydrocarbons with ultraviolet light is disclosed. The improvement comprises using... | 08/31/1999 |
| 5910616 | Vapor phase process for preparing fluorinated aliphatic compounds A process is disclosed for the preparation of a fluorinated aliphatic hydrocarbon. The process utilizes a C1 to C6 hydrocarbon substituted with a halogen selected from the group consisting of chlorine, bromine and iodine as the start... | 06/08/1999 |
| 5910595 | Process for preparing oximidazoles A process is disclosed for the preparation of an imidazolone and the pharmaceutically acceptable salts thereof having the formula ##STR1## wherein R1 and R2 are the same or different and are C1 to C6 alkyl, C2 to C6 alkenyl, C1 to C6 cycloalkyl, aryl... | 06/08/1999 |
| 5874658 | Purification of organic fluorine compounds A method is disclosed for separating a mixture of at least one hydrofluorocarbon from hydrogen fluoride. The method comprising treating said mixture with a compound selected from the group consisting of an alkanolamine of formula NHa (CHb | 02/23/1999 |
| 5830763 | Process for preparing deuterium tagged compounds A process for the preparation of organic and inorganic deuterium-tagged compounds is disclosed. The process comprises heating a deuterium oxide-solution of an organic or inorganic compound, the solution having a pH of from about 10 to about 1 to a tempera... | 11/03/1998 |
| 5777185 | Production of organic fluorine compounds A process is disclosed for hydrofluorinating an olefinic hydrocarbon of the formula X --CX'.dbd.CX'--R' where X, X' and X" are the same or different and are hydrogen or halo and R' is hydrogen or C1 -C6 alkyl, with hydrogen fluoride. The ... | 07/07/1998 |
| 5750010 | Process for photochlorination An improvement in the process for the photochlorination of liquid mixtures of 1,1-dichloro-1-fluoroethane and unsaturated hydrocarbons with ultraviolet light is disclosed. The improvement comprises using ultraviolet light emitted from an ultraviolet light... | 05/12/1998 |
| 5696310 | Purification of 1,1,1,3,3-pentafluoropropane A process for producing a substantially pure polyfluorinated aliphatic hydrocarbon from a crude reaction solution thereof containing unsaturated hydrocarbon and halogenated saturated and unsaturated aliphatic hydrocarbon impurities is disclosed. The proce... | 12/09/1997 |
| 5689020 | High temperature chlorination process for the preparation of polychloroolefins A process is disclosed for preparing a compound selected from the group consisting of 1,1,3,3-tetrachloropropene and 1,3,3,3-tetrachloropropene. The process comprises a. admixing a hydrocarbon compound selected from the group consisting of propene, 1-chlo... | 11/18/1997 |
| 5684219 | Process for preparing fluorinated aliphatic compounds A process is disclosed for the preparation of a fluorinated aliphatic olefin having the formula CHa F3-a --CH2 --CHb F3-b wherein a is 0 or the integer 1 or d and b is 0 or the integer 1, 2 or 3. In the first s... | 11/04/1997 |
| 5616819 | Process for preparing fluorinated aliphatic compounds A process is disclosed for the preparation of a fluorinated aliphatic olefin having the formula CHa F3-a --CH2 --CHb F3-b wherein a is 0 or the integer 1 or 2 and b is 0 or the integer 1, 2 or 3. In the first s... | 04/01/1997 |
| 5399747 | Process for preparing carboxylic acids by carbonylation of ethers and thioethers A new process for preparing aryl-substituted aliphatic carboxylic acids is provided. Aryl-substituted aliphatic ether or thioether compound is reacted with carbon monoxide in aqueous conditions at a temperature between about 25° C. and about 200° C. An ... | 03/21/1995 |
| 5396013 | Olefin oligomerization process A process for making an -olefin oligomer comprises contacting a C6 to C20 -olefin monomer with a catalyst which includes boron trifluoride, a protic promotor and a polyether.... | 03/07/1995 |
| 5393806 | Epoxide system curing agents An improved liquid matrix system for producing fibre-reinforced plastic components is disclosed. The system comprises (i) a liquid diglycidyl ether of a halogenated bisphenol or a mixture of liquid polyglycidyl ether bisphenols at least one of which being... | 02/28/1995 |
| 5391312 | Lubricant additives Seals contacted with lubricants, such as poly--olefin lubricants, are made to swell rather than shrink by the use of novel seal-swell agents which are effective even when used in amounts constituting less than 5% of the weight of the lubricant comp... | 02/21/1995 |
| 5385753 | Process for reactively coating particles Coated particles having properties such as to make them suitable as replacements for titanium dioxide particles can be obtained by reacting a titanium or zirconium halide, ether, or ester with zeolite hydrate particles so as to coat the zeolite particles ... | 01/31/1995 |
| 5382695 | Method for DMTDA production Thioalkylated aromatic amines are prepared by reacting a mixture of an aromatic amine, an organic disulfide and a Lewis acid or organometallic catalyst to form a product mixture and adding to said product mixture a heavy, miscible organic base or a combin... | 01/17/1995 |