Bizarre Patents
Dining Table Having Integral Dishwasher
A space-saving dishwasher, which may be installed within a counter top or table, having a dish-carrying rack that is vertically shiftable through the open top of the dishwasher for facilitating loading and unloading of the dishes.
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| Number | Title | Issue Date |
| 4334091 | Process for preparing halovinyl cyclopropane carboxylic acid salts This invention relates to new compositions particularly suited for producing insecticidal intermediates. These compositions are mono basic salts of halovinyl cyclopropane derivatives particularly mono basic salts of dichlorovinyl chrysanthemic... | 06/08/1982 |
| 4284524 | Alkaline dishwasher detergent Alkaline dishwasher detergent composition having a specific low level of a polyacetal carboxylate for improved hard water filming performance, especially in the presence of precipitating builders. The detergent composition is substantially free of highly ... | 08/18/1981 |
| 4275230 | Purification of dicarboxylic acids Crystallization of terephthalic acid from water at elevated temperature and pressure is effected in a continuous stage followed by a batch stage.... | 06/23/1981 |
| 4268690 | Process for producing terephthalic acid of high purity Terephthalic acid of high purity is continuously produced in a high yield by oxidizing p-tolualdehyde with a molecular oxygen-containing gas in the presence of bromine ions as a catalyst in a water solvent, contacting the resulting slurry solution contain... | 05/19/1981 |
| 4263452 | Process for purifying terephthalic acid Crude terephthalic acid obtained by oxidation of p-tolualdehyde in a liquid phase with molecular oxygen in the presence of a bromine compound as a catalyst, using water as a solvent is purified by dissolving the crude terephthalic acid in water, hydrogena... | 04/21/1981 |
| 4230886 | Method of obtaining dried terephthalic acid Terephthalic acid produced by oxidizing paraxylene can be obtained in the form of dried powder from the slurry containing terephthalic acid and acetic acid and/or water by using combination of a tubular type heater having at least one heating tube and a s... | 10/28/1980 |
| 4219669 | Method of treating mother liquor of reaction in terephthalic acid production Reaction mother liquor of terephthalic acid production is treated to separate volatile component mainly composed of acetic acid and solid components composed of used catalyst or heavy metal salt(s), residual terephthalic acid and reaction by-products by u... | 08/26/1980 |
| 4215224 | Removal of dissolved disodium terephthalate from aqueous solution also containing sodium hydroxide This invention relates to the removal of substantially all of the disodium terephthalate (Na2 TA) dissolved in a dilute aqueous solution of sodium hydroxide. More particularly this invention pertains to the recovery for reuse of an aqueous solu... | 07/29/1980 |
| 4212991 | Single-stage process for the preparation of terephthalic acid Highly pure terephthalic acid is prepared from di-potassium terephthalate. The terephthalic acid so produced aids in the direct production of high quality polyester fiber.... | 07/15/1980 |
| 4202828 | Process for separation of naphthoquinone and phthalic acid In a process for separation of naphthoquinone and phthalic acid from an aqueous slurry prepared by contacting a reaction mixture gas formed by a catalytic vapor phase oxidation of naphthalene with an aqueous medium, the decomposition of naphthoquinone is ... | 05/13/1980 |
| 4201871 | Process for recovering terephthalic acid This invention relates to an improved process for recovering highly pure terephthalic acid crystals from a suspension containing terephthalic acid product obtained by the liquid phase oxidation of para-substituted aromatic compounds in the presence of oxi... | 05/06/1980 |
| 4097492 | Process for the preparation of naphthalene-1,4,5,8-tetracarboxylic acid Naphthalene-1,4,5,8-tetracarboxylic acid and typical derivative(s) thereof is (are) prepared by oxidation of periacenaphthindenones of the formula ##STR1## where R is H or lower alkyl, in a lower aliphatic carboxylic acid with nitric acid, optionally... | 06/27/1978 |
| 4081464 | Iso- or terephthalic acid production in and recovery from benzoic acid-water solvent system This invention relates to the continuous production of iso- or terephthalic acid in a stirred reaction zone by catalytic air oxidation of m- or p-xylene in the presence of a benzoic acid-water liquid solvent system at constant gauge pressure within the ra... | 03/28/1978 |
| 4079087 | Three phase crystallization of bisphenol A A process for purifying a crude crystalline or crystallizable water-immiscible aromatic compound contaminated with one or more related congeneric impurities which cannot be readily separated by distillation, said process comprising: 1. forming a dispersio... | 03/14/1978 |
| 4053506 | Production of fiber-grade terephthalic acid Terephthalic acid (TA) or isophthalic acid (IA) of fiber-grade quality is recovered under oxidation temperature and pressure conditions from fluid oxidation effluent from catalytic liquid phase oxidation of the respective xylene isomer in acetic acid with... | 10/11/1977 |
| 3952051 | Method for crystallization of diamine dicarboxylate A process for precipitating a crystalline diamine dicarboxylate which comprises dissolving the corresponding dicarboxylic acid in the aqueous liquid containing diamine dicarboxylate and adding the sufficient amount of the corresponding diamine to precipit... | 04/20/1976 |
| 3931305 | Terephthalic acid recovery by continuous flash crystallization Inordinately slow crystallization at rate controlled evaporative cooling of terephthalic acid from liquid phase aqueous solutions also containing from 500 to 6,000 ppm p-toluic acid based on dissolved terephthalic acid at temperatures in the range of 400.... | 01/06/1976 |
