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 |
| 4132734 | Synthesis of carboxylic acids The rate of reaction of ethylenically unsaturated compounds, carbon monoxide and water in the presence of catalyst systems consisting essentially of a rhodium or iridium compound and a halogen promoter to produce carboxylic acids is accelerated by includi... | 01/02/1979 |
| 4111982 | Coproduction of acetic and propionic acids An improved process for the simultaneous and continuous production of acetic and propionic acids in a single reactor wherein the rate of propionic acid production is enhanced over that which prevails when this acid is produced separately in the same react... | 09/05/1978 |
| 4110542 | Preparation of dihydroxydiphenyl alkanes A process is described for preparing 4,4'-dihydroxydiphenylethane by reacting phenol with a 1,2-dihaloethane in which the halogen is chlorine, bromine or iodine, in at least the stoichiometric proportions of 2:1 in contact with a catalyst comprising lanth... | 08/29/1978 |
| 4107993 | Method and apparatus for level measurement using microwaves Microwaves are used to detect the level of a liquid in a vessel. An external chamber, constructed of a material essentially invisible to microwaves, is connected to the vessel and is open to the interior of the vessel above and below the level to be detec... | 08/22/1978 |
| 4102922 | Purification of carbonylation products A method is provided for the removal of contaminating alkanes from the vaporized carbonylation products of a process wherein carboxylic acids are produced by the reaction in the liquid phase of an alcohol or an ester, halide or ether derivative of said al... | 07/25/1978 |
| 4091038 | Production of dihydroxydiphenyl alkanes Iodine is employed as a promoter for the reaction between phenol and a 1,2-dihaloethane wherein the halogen is chlorine, bromine or iodine using a zinc-containing catalyst to produce dihydroxydiphenylethanes, especially the 4,4'-isomer.... | 05/23/1978 |
| 4061546 | Purification of acetic acid Formic acid is removed from acetic acid substantially free of halide impurities but containing small amounts of formic acid by contacting the acid with a compound of hexavalent chromium and recovering the purified acid from the resulting mixture by distil... | 12/06/1977 |
| 4060547 | Production of dicarboxylic acids The present invention relates to a process for the preparation of dicarboxylic acids, specifically by the reaction of non-vicinal glycols; halogen containing derivatives in which the OH radical of the glycol is substituted by Cl, Br, or I; ester derivativ... | 11/29/1977 |
| 4039428 | Purification of propionic acid A process is provided for producing ultra-pure propionic acid, i.e., acid containing less than 20 parts by weight of iodine per billion parts by weight of acid, wherein crude acid containing water and iodine contaminants is distilled in a single distillat... | 08/02/1977 |
| 4039395 | Purification of acetic acid A process is provided for purification and drying of acetic acid containing water and methyl iodide and hydrogen iodide as contaminants. The process comprises distillation in a two-zone system wherein the major part of the methyl iodide and hydrogen iodid... | 08/02/1977 |
| 4036940 | Recovery of iodine Iodine is recovered from a process stream containing it or iodine-containing compounds by passing said stream while in the vapor state in contact with a solid treating agent or adsorbent comprising alumina impregnated with the oxides of copper and chromiu... | 07/19/1977 |
| 4033829 | Process for inhibiting polymerization of styrene during distillation Styrene is inhibited against polymerization during the distillation thereof by incorporating therein, in an amount sufficient to inhibit polymerization thereof, the dinitrophenol solution recovered from styrene still residues or tars resulting from the di... | 07/05/1977 |
| 4029553 | Purification of acetic acid streams by distillation Acetic acid containing very minor amounts of iodine, either as I-, free iodine, or alkyl iodide, or all of these, is purified by fractionation in a single column with an acid product containing 20 parts or less of iodine per billion parts of ac... | 06/14/1977 |
| 4008131 | Purification of acetic acid A method is provided for removal of excess water which tends to build up in recycle streams and reduces the rate of pure acid production during operation of a distillation system for purification of crude acetic acid containing water and methyl iodide. Th... | 02/15/1977 |
| 4007130 | Catalyst regeneration method A method for treating catalyst solution comprising the complex reaction product formed on mixing of a rhodium component or an iridium component and a halogen component in the presence of carbon monoxide to remove metallic corrosion products and recover rh... | 02/08/1977 |
| 4003833 | Detoxification of aqueous waste streams containing cyanide A method is provided for treating aqueous streams containing minor amounts of cyanide i.e., up to about 1000 ppm, to reduce cyanide content to less than 1 ppm by contacting said stream with formaldehyde and a compound capable of generating the HSO3 | 01/18/1977 |
| 3962309 | Ammoxidation process Olefins, such as propylene are oxidized to form acrolein or ammoxidized to form acrylonitrile in the presence of a catalyst containing the elements antimony, uranium, iron and tungsten in a catalytic active oxidized state.... | 06/08/1976 |
| 3962310 | Ammoxidation process Olefins, such as propylene, are oxidized to form acrolein and ammoixidized to form acrylonitrile in the presence of a catalyst containing the elements antimony, uranium, iron and bismuth in a catalytic active oxidized state.... | 06/08/1976 |
| 3959395 | Recovery of polymerization inhibitor A process is provided for recovery and re-use of dinitrophenols employed as inhibitors of polymerization in the distillation and purification of styrene. The styrene still residues commonly referred to as tar or tars are treated with an aqueous hydroxide ... | 05/25/1976 |
| 3956255 | Catalyst for the polymerization of olefins A supported catalyst for the polymerization and copolymerization of ethylene in the presence of hydrogen as a molecular weight control agent is prepared by depositing upon silica gel which has been reacted with an alkylaluminum or an alkylaluminum alkoxid... | 05/11/1976 |
| 3941854 | Method for producing styrene and benzene Styrene and benzene are simultaneously produced by heating a mixture of toluene and ethylbenzene in a mole ratio of at least 1:1 to a temperature from about 400° to 900°C at moderate pressures for a period of time up to about 15 seconds, cooling the rea... | 03/02/1976 |
