Bizarre Patents
Mouthguard made at least partially from an edible candy
A mouthguard includes a U-shaped upper bite plate which removably fits over upper teeth of a person, with the entire upper bite plate being made from a soft, deformable and edible gummi candy.
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| Number | Title | Issue Date |
| 5958836 | Algistats The present invention relates to a method for the prevention of growth of algae by incorporating within liquids or coating on surfaces certain substituted amino alcohols. More precisely, this invention provides for algistat end uses for amino alcohol comp... | 09/28/1999 |
| 5567856 | Synthesis of and hydroformylation with fluoro-substituted bidentate phosphine ligands Hydroformylation of alkenes to aldehydes in the presence of a rhodium complex catalyst is improved by the addition of a novel bidentate ligand of the formula ##STR1## wherein R1, R2, R1 ' and R2 ' are organ... | 10/22/1996 |
| 5529667 | Process for recovering ethylene oxide In an improved process for recovering ethylene oxide from an aqueous ethylene oxide solution further containing formaldehyde is provided wherein the impure aqueous ethylene oxide solution is introduced into a distillation zone as a feed stream and undergo... | 06/25/1996 |
| 5516406 | Process for purifying acids formed during liquid phase oxidation of butane A method of purifying the oxidate product formed by the liquid phase oxidation of C4 -C8 paraffinic hydrocarbons comprises adding a strong acid catalyst to the oxidate product to catalyze the break down of Michael addition products o... | 05/14/1996 |
| 5374774 | Control system for an acetic acid manufacturing process A novel control system is provided to control the liquid levels in a reactor-flasher combination used particularly for the carbonylation of methanol to acetic acid. Liquid level control is achieved by proportional controllers or other controllers which do... | 12/20/1994 |
| 5371286 | Removal of carbonyl impurities from a carbonylation process stream A method is provided to improve the quality of recycle of certain residues by modifying the separation of alkanes and alkane-like materials and carbonyl-containing impurities from the recycle during the manufacture of acetic acid by the carbonylation of m... | 12/06/1994 |
| 5281359 | Polymeric carbonylation catalyst system A carbonylation catalyst useful for the carbonylation of methanol to acetic acid, acetic anhydride or both comprises a polymer support containing pendant pyrrolidone groups which support a rhodium species. Other polymeric supports capable of withstanding ... | 01/25/1994 |
| 5225603 | Preparation of 4-(6'-methoxy-2'-naphthyl)-3-buten-2-one An intermediate for the manufacture of nabumetone, 4-(6'-methoxy-2'-naphthyl)-3-buten-2-one, is prepared by contacting 2-bromo-6-methoxynaphphalene with methyl vinyl ketone in the presence of a palladium catalyst at from about 50° C. to about 200° C. fo... | 07/06/1993 |
| 5206434 | Purification process for methyl acetate Esters such as methyl acetate which contain carbonyl impurities including aldehydes are purified by adding to the esters an amino compound which reacts with the carbonyls to form water soluble nitrogenous derivatives, separating an organic ester phase fro... | 04/27/1993 |
| 5151551 | Method for purification of ibuprofen comprising mixtures This invention pertains to a method of purifying ibuprofen-comprising reaction product mixtures. The method of purification is based on crystallization of ibuprofen from a hydrocarbon solvent and the discovery that there are impurity complexes in the ibup... | 09/29/1992 |
| 5144068 | Methanol carbonylation process An alcohol such as methanol is reacted with carbon monoxide in a liquid reaction medium containing a rhodium catalyst stabilized with an iodide salt, especially lithium iodide, along with alkyl iodide such as methyl iodide and alkyl acetate such as methyl... | 09/01/1992 |
| 5136083 | Process for the purification of 4-acetoxystyrene The present invention relates to a process for the purification of 4-acetoxystyrene from a crude product mixture comprising 4-acetoxystyrene and typically 5 or more contaminants in substantial amount. The crude product mixture is purified by melt crystallizati... | 08/04/1992 |
| 5093537 | Method for the manufacture of 1,3-propanediol 1,3-Propanediol is manufactured by the hydration of acrolein in an aqueous solution over a fully hydrated, alumina-bound zeolite with a pore size >5 angstroms to form 3-hydroxypropanal and hydrogenation of the 3-hydroxypropanal typically in an aqueous sol... | 03/03/1992 |
| 5081285 | Production of ethyl 3-ethoxypropanoate by acid catalyzed addition of ethanol to ethyl acrylate This invention pertains to the addition of an alkyl alcohol to an alkyl acrylate to form alkyl 3-alkoxy propanoate catalyzed by a strong acid catalyst. The process has sepcific application in the addition of ethanol to ethyl acrylate to form ethyl 3-ethox... | 01/14/1992 |
| 5053562 | Process for making 1,3-diols from epoxides A process for manufacturing 1,3-glycols is disclosed. The process comprises reacting an epoxide with synthesis gas in the presence of rhodium, a phosphine, and a lower-alkyl iodide or ଲ-hydroxy lower-alkyl iodide.... | 10/01/1991 |
| 5026908 | Methanol carbonylation process An alcohol such as methanol is reacted with carbon monoxide in a liquid reaction medium containing a rhodium catalyst stabilized with an iodide salt, especially lithium iodide, along with alkyl iodide such as methyl iodide and alkyl acetate such as methyl... | 06/25/1991 |
| 4968834 | Recovery of acrylic acid and/or ethyl acrylate from black acid Black acid or the sulfuric acid residue obtained in the manufacture of ethyl acrylate by reaction of ethylene and acrylic acid in the presence of sulfuric acid is heated and distilled in a distillation zone in the presence of a solvent to form an overhead... | 11/06/1990 |
| 4912173 | Hydrolysis of poly(acetoxystyrene) in aqueous suspension Polymers of 4-acetoxystyrene in finely divided particulate form are suspended in water, and while in suspension are hydrolyzed to polymers of 4-hydroxystyrene using aqueous nitrogen bases. Such polymers are useful in photoresists, as protective coatings f... | 03/27/1990 |
| 4910338 | Production of -chloro--oximino-4-hydroxyacetophenone -chloro--oximino-4-hydroxyacetophenone is prepared by reacting 4-hydroxyacetophenone with an alkyl nitrite and hydrogen chloride wherein the amount of hydrogen chloride is carefully controlled to limit the amount thereof to about 0.1 to 6 mo... | 03/20/1990 |
| 4908476 | Synthesis of 2-(4-hydroxyphenoxy)alkanoic acids A method for synthesizing 2-(4-hydroxyphenoxy)alkanoic acids by reacting a hydroxyaromatic ketone derivative with a 2-substituted alkanoic acid under basic conditions and thereafter oxidizing the intermediate with subsequent hydrolysis.... | 03/13/1990 |
| 4894477 | Process for regenerating a carbonylation catalyst solution to remove corrosion metals and carbonylation of methanol to acetic acid A process for treating carbonylation catalyst solutions which contain a rhodium component and a lithium component to remove metallic corrosion products comprises contacting the catalyst solution with a cation exchange resin in the lithium form.... | 01/16/1990 |
| 4883901 | Synthesis of 2-(4-aminophenoxy)alkanoic acids and esters and their derivatives A method for synthesizing 2-(4-amidophenoxy)alkanoic acids and esters and 2-(4-aminophenoxy)alkanoic acids and esters by reacting a hydroxyaromatic ketone derivative with a 2-substituted alkanoic acid or ester under basic conditions and thereafter reactin... | 11/28/1989 |
| 4873379 | Process for making 1,3-diols from epoxides A process for manufacturing 1,3-glycols is disclosed. The process comprises reacting an epoxide with synthesis gas in the presence of rhodium in the presence of an alkali metal compound.... | 10/10/1989 |
| 4868257 | Process for the production of 3-mono or 3,5 disubstituted-4-acetoxystyrene, its polymerization The present invention relates to a process for the production of 3-mono or 3,5-disubstituted-4-acetoxystyrene wherein the 3- or 3,5-substitution is independently C1 to C10 alkyl, chlorine, bromine, iodine, --NO2, --NH... | 09/19/1989 |
| 4868256 | Process for the production of 3-mono or 3,5-disubstituted-4-acetoxystyrene its polymerization, and hydrolysis The present invention relates to a process for the production of 3-mono or 3,5-disubstituted-4-acetoxystyrene wherein the 3- or 3,5-substitution is independently C1 to C10 alkyl, chlorine, bromine, iodine, --NO2, --NH... | 09/19/1989 |
| 4855499 | Novel process to prevent formation of chlorinated by-products in APAP production A novel process for the prevention of the formation of chlorinated by-products during the Beckmann rearrangement of 4-hydroxyacetophenone oxime to APAP by the addition of an inorganic iodide such as potassium iodide to the Beckmann rearrangement reactor i... | 08/08/1989 |
| 4847327 | Surface or electrically active copolymers of poly(4-substituted styrene/N-substituted maleimide) A surface or electrically active material comprising an alternating copolymer having the formula ##STR1## wherein X and Y oppositely consist of an electron accepting and an electron donating group or a hydrophobic group and an ionic or non-ionic ... | 07/11/1989 |
| 4822862 | Emulsion polymerization of 4-acetoxystyrene and hydrolysis to poly(p-vinylphenol 4-Acetoxystyrene is homopolymerized and copolymerized in aqueous emulsion and, without isolation, the polymer is hydrolyzed to homopolymers and copolymers of p-vinylphenol with a base. Homopolymers and copolymers of p-vinylphenol are used as epoxy resin c... | 04/18/1989 |
| 4794205 | Method for producing alkenylthiophenols and their esters A method is provided for preparing alkenylthiophenols, e.g., para-vinylthiophenol, or their esters, e.g., para-vinylthiophenol acetate by reacting a hydroxy aromatic ketone, e.g., 4-hydroxyacetophenone (4-HAP) with an N,N-di(organo)thiocarbamoyl halide, e... | 12/27/1988 |
| 4789321 | Carbon black pelletizer Carbon black pelletizer comprising a pug-mill and rotor with at least one helix of pins attached to the rotor, the improvement which consists essentially inproviding a double wall cylindrical housing with an annulus therebetween. The inner wall being fabr... | 12/06/1988 |
| 4778922 | Process for producing N,O-diacetyl-6-amino-2-naphthol N,O-diacetyl-6-amino-2-naphthol is produced by subjecting 2-naphthyl acetate to a Fries rearrangement or 2-naphthol and an acetylating agent to a Friedel-Crafts acetylation to form 6-hydroxy-2-acetonaphthone which is then reacted as is or as its acetate e... | 10/18/1988 |
| 4754081 | Process for dearylation of alkylenebisphenols and alkyltrisphenols Alkylenebisphenols and alkyltrisphenols are dearylated under mild conditions of temperature and pressure in the absence of HF to obtain alkyl and/or alkenyl substitute or phenols and other related polymer products.... | 06/28/1988 |
| 4302539 | Novel single cell protein substrate An acetone-insoluble organic acid product from the nitric oxidation of lignite is useful in growing single cell protein.... | 11/24/1981 |
| 4275158 | Manufacture of fatty acids having straight and long carbon chains using a microorganism A method for the oxidation of hydrocarbons to monocarboxylic acids and then to dicarboxylic acids by the aerobic cultivation or resting cell reaction of the organism Debaryomyces vanriji (BR-308) ATCC 20588.... | 06/23/1981 |
| 4255588 | Synthesis of cyclohexene dicarboxylic acid esters A method is provided to manufacture a mixture of 1,4-dicarboalkoxy-1-cyclohexene and 1,3-dicarboalkoxy-1-cyclohexene which can be cyclized and rearranged to isophthalic acid and terephthalic acid.... | 03/10/1981 |
| 4224410 | Method for ethanol fermentation Fermentation of glucose and simultaneous-saccharification fermentation of cellulose using cellulose and a yeast are improved by utilization of the yeast Candida brassicae, ATCC 32196.... | 09/23/1980 |
| 4220720 | Manufacture of fatty acids having straight and long carbon chains using a microorganism A method for the oxidation of hydrocarbons to monocarboxylic acids and thence to dicarboxylic acids by the aerobic resting cell reaction of the organism Debaryomyces phaffii ATCC 20499.... | 09/02/1980 |
| 4220721 | Method for enzyme reutilization Cellulase, an enzyme useful in the saccharification of cellulose can be recycled by a process of selective adsorption on cellulose containing materials and readmitted to the reaction mixture in a batch, semi-continuous, or continuous simultaneous sacchari... | 09/02/1980 |
| 4212228 | Power plant A high torque hydraulic power plant is operated by electrical power through the use of a hydraulic pump, opposing double-ended cylinders containing double-ended pistons and appropriate cycling valve means. Pressure is maintained in the system by a constan... | 07/15/1980 |
| 4198434 | Gluconyl hydrazides Southern army worm metamorphosis can be interrupted and certain microorganisms, as for example, bacteria, fungi, molds and algae, can be inhibited by contact with an effective growth-inhibiting concentration of gluconic acid hydrazides of the group consis... | 04/15/1980 |
