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 |
| 7825284 | Process for the production of cardanol A process for the production of a color-stable composition containing cardanol and cardol including (a) subjecting crude, cashew nutshell liquid to distillation to obtain a distillate: (b) reacting the distillate with boric acid to obtain a reaction mixture; and (c)... | 11/02/2010 |
| 7714175 | Production method of aromatic hydroxide According to the present invention, two hydroxyl groups can be introduced into the 1-position and the 4-position of the benzene ring of an aromatic compound highly efficiently and highly selectively by a one step process to give the corresponding aromatic hydroxide.... | 05/11/2010 |
| 7355063 | Shogaol compound and tyrosinase activity inhibitor comprising the compound The compound represented by the following formula (1): wherein A, B, R1, R2, R3 and Z are as defined in the specification is analogous to shogaol and gingerol useful in the fields of foods, medicines, quasi-drugs, cosmetics... | 04/08/2008 |
| 7261909 | Method of obtaining a hydroxytyrosol-rich composition from vegetation water The invention provides olive-derived hydroxytyrosol. According to one aspect of the invention, vegetation water is collected from olives. Acid is added to stabilize the vegetation water and prevent fermentation. The mixture is incubated to allow oleoeuropein to conv... | 08/28/2007 |
| 7244772 | Process for preparing polyurethane polyol and rigid foams therefrom We describe a process for the preparation of polyurethane polyol from CARDANOL 3-(8pentadecenyl)phenol, derived from cashew nut shell liquid (CNSL), a renewable resource material. The polyol is made by oxidation with peroxy acid generated in situ to give epoxidised ... | 07/17/2007 |
| 7148386 | Processes for preparing benzoquinones and hydroquinones A process for the preparation of hydroquinone compounds comprising, reacting an aromatic hydroxy compound with an oxidizing agent in a biphasic solvent system. The reaction is carried out in the presence of a transition metal hydroxy phosphate catalyst to produce th... | 12/12/2006 |
| 7115785 | Method for making salts hydroxy-substituted hydrocarbons Disclosed is a method for preparing an alkali metal salt of a hydroxy-substituted hydrocarbon which comprises the steps of (i) contacting in solvent media at least one hydroxy-substituted hydrocarbon with a base comprising an alkali metal cation; and (ii) devolatili... | 10/03/2006 |
| 6872857 | Process for conversion of phenol to hydroquinone and quinones The present invention relates to a process for the conversion of phenol to hydroquinone and quinones. More particularly this invention relates to a process for the oxidation of phenol to a mixture of 1,4-benzoquinone and hydroquinone using an oxidant in the presence... | 03/29/2005 |
| 6849770 | Method for obtaining purified hydroxytyrosol from products and by-products derived from the olive tree The present invention relates to a method for obtaining purified hydroxytyrosol from products and by-products derived from the olive tree by means of two-step chromatographic treatment. The invention uses a non-activated ion exchange resin chromatographic method, fo... | 02/01/2005 |
| 6844472 | Method and installation for separating and purifying diphenols in the phenol and phenol derivatives industry A method and installation for separating and purifying a crude mixture containing hydroquinone, resorcinol and possibly tars and/or catechol, comprising the following steps: —a possible distillation stage (I) in order to obtain a catechol head, —the foot (I) or ... | 01/18/2005 |
| 6806395 | Process for preparation of 3,5-bisalkylphenols A process for producing a 3,5-bisalkylphenol (2) according to the following reaction scheme: (wherein R1 represents a hydrogen atom, an alkali metal atom, an alkaline earth metal atom, or a hydroxyl-protecti... | 10/19/2004 |
| 6717020 | Method of producing p-hydroxyphenylalkanols Disclosed are a method of producing p-hydroxyphenylalkanol of formula(I): wherein R1 and R2 independently represent hydrogen, an alkyl or a phenyl which may be substituted with an alkyl, or the like... | 04/06/2004 |
| 6444841 | Hydroquinone diester derivatives and the method for producing the same A highly pure hydroquinone dietser derivative can be produced from the reaction product of ketoisophorone with an acylating agent in a high yield by a simple and easy operation. In the presence of an acid catalyst, a cyclohex-2-ene-1,4-dione derivative sh... | 09/03/2002 |
| 6441249 | Method for producing trimethylhydroquinone An inexpensive method for producing trimethylhydroquinone free from the problem of the disposal of waste catalyst, which method comprises the steps of: (1) reacting isophorone in the presence of an acid catalyst and recovering ଲ-isophorone by distii... | 08/27/2002 |
| 6417409 | Process for the production of 2,3,5-trimethylhydroquinone diesters The invention relates to an improved process for the production of 2,3,5-trimethylhydroquinone diesters by rearrangement of 2,6,6-trimethyl-2-cyclohexene-1,4-dione (4-oxoisophorone, ketoisophorone) in the presence of a dissolved, acidic catalyst and an ac... | 07/09/2002 |
| 6320086 | Method for producing trimethylhydroquinone An inexpensive method for producing trimethylhydroquinone free from the problem of the disposal of waste catalyst, which method comprises the steps of: (1) reacting isophorone in the presence of an acid catalyst and recovering ଲ-isophorone by distil... | 11/20/2001 |
| 6211418 | Method for producing trimethylhydroquinone An inexpensive method for producing trimethylhydroquinone free from the problem of the disposal of waste catalyst, which method comprises the steps of: (1) reacting isophorone in the presence of an acid catalyst and recovering ଲ-isophorone by distil... | 04/03/2001 |
| 5908956 | Method for producing trimethylhydroquinone diester This method provides trimethylhydroquinone diester by using a recyclable catalyst which shows high activity and operability in the reaction, while reducing the risk of corrosion of the reactor. The method for the production of 2,5,6-trimethylhydroquinone ... | 06/01/1999 |
| 5877353 | Process for the preparation of benzophenone derivatives The present invention relates to a process for the preparation of benzophenone derivatives and comprises a selective crystallization of alkali salts of compounds of formula (I) ##STR1## wherein R1 is lower-alkyl and R2 is hydrog... | 03/02/1999 |
| 5728898 | Process for making water-soluble derivatives of quinones Process for making water-soluble hydroquinone salts by reacting an aqueous liquid solution of (a) a formamidinesulfinic acid and (b) an alkali metal or quaternary ammonium hydroxide in which is dispersed a (c) quinone and water-soluble hydroquinone salts ... | 03/17/1998 |
| 5714351 | Cyclopentenes The individual enantiomers of the compounds (Ia), (Ib), (IIa) or (IIb), optionally substituted by non-interfering substituent(s). The novel enantiomers can be obtained by biotransformation. The (Ia) or (IIa) compounds can be used for the synthesis of chir... | 02/03/1998 |
| 5696301 | Process for preparing protocatechualdehyde Protocatechualdehyde is prepared by the steps of reacting piperonyl dichloride with molecular chlorine in the presence of phosphorus trichloride, phosphorus pentachloride or sulfuryl chloride to prepare dichloropiperonylidene dichloride and hydrolyzing th... | 12/09/1997 |
| 5675042 | Selective hydroxylation of phenol or phenolic ethers Phenols, and related aromatic compounds, phenolic ethers, can be hydroxylated selectively using hydrogen peroxide in the presence of an amorphous or crystalline tin or cerium phosphate catalyst in a solvent containing an aliphatic carboxylic acid. The pro... | 10/07/1997 |
| 5510402 | Carboxylic acid esters of hydroxyphenylalkanols as stabilizers The novel compounds of the formula I ##STR1## in which n is an integer from the range from 4 to 8 and m is an integer from the range from 1 to 4, A is the aliphatic, aromatic, araliphatic or heterocyclic radical of a monobasic to tetrabasic carboxyli... | 04/23/1996 |
| 5504260 | Catalytic oxidation Organic compounds are selectively oxidized by means of a particularly advantageous process, using elemental oxygen and a catalyst containing palladium and copper and carrying out the process in the presence of carbon monoxide.... | 04/02/1996 |
| 5493062 | Process for preparing 4-hydroxystyrene The present invention provides a unique and novel way of producing vinyl phenols such as p-vinyl phenol (4-hydroxystyrene--HSM). In this new process, p--aminoethylphenol (AEP) is heated under suitable deamination conditions of temperature and press... | 02/20/1996 |
| 5463141 | Process for preparing poly(4-hydroxystyrene) The present invention provides a unique and novel way of producing vinyl phenols such as poly(4-hydroxystyrene) (PHS). In this new process, p--aminoethylphenol (AEP) is heated under suitable conditions of temperature and pressure and for a sufficie... | 10/31/1995 |
| 5463129 | Cleaving arylethers The present invention relates to a method of cleaving arylethers such as arylethers represented by the formula: ##STR1## wherein R is hydrogen, C1 -C6 alkyl, cycloalkyl, phenyl, substituted phenyl or CH.dbd.CH2 ; each... | 10/31/1995 |
| 5434317 | Hydroxylation of phenolic compounds Phenolic compounds, e.g., phenol, are hydroxylated, preponderantly into the para-isomer, e.g., hydroquinone, by reaction with hydrogen peroxide in the presence of an effective amount of a strong acid and a catalytically effective amount of a keto compound... | 07/18/1995 |
| 5399785 | Tyrosinase activity inhibitor Disclosed is a chemically stable tyrosinase activity inhibitor having high tyrosinase activity inhibition effect and low toxicity. The tyrosinase activity inhibitor has a structure of the formula: ##STR1## wherein R1, R3 and R | 03/21/1995 |
| 5382708 | Process for inhibiting dihydric phenol degradation and color formation and composition thereof A process for improving the color of bisphenol-A and improving yields of bisphenol-A comprises the addition of hypophosphorus acid either prior to or concurrent with a distillation step.... | 01/17/1995 |
| 5364983 | Process for the preparation of aromatic polyhydroxy compounds The present invention relates to a process for the preparation of aromatic polyhydroxy compounds, by reacting an aromatic hydroxyaldehyde with hydrogen peroxide, with or without the addition of a base, in the presence of a nitrile R--CN, in which R is an ... | 11/15/1994 |
| 5354913 | Optically active phenol derivatives and preparation thereof An optically active tri-substituted methane compound having, as substituents, an aromatic ring group and a phenyl group having hydroxyl group at ortho or para position can be obtained by allowing a phenol compound unsubstituted at the ortho- or/and para-p... | 10/11/1994 |
| 5334773 | Microbial production of cis-dihydrodiol and phenol derivatives of benzocyclobutene A process for microbial conversion of benzocyclobutene to the corresponding 3,4-dihydrodiol followed by acid catalyzed dehydration to 4-hydroxybenzocyclobutene.... | 08/02/1994 |
| 5319148 | Preparation of pyrocatechol monoethers and pyrocatechols The preparation of pyrocatechol monoethers or pyrocatechols of the formula Ia or Ib respectively ##STR1## ( R1 and R2 =H or C1 --C8 -hydrocarbon radicals; R3 =C1 --C8 -hydro... | 06/07/1994 |
| 5300704 | Controlled catalytic and thermal sequential pyrolysis and hydrolysis of mixed polymer waste streams to sequentially recover monomers or other high value products A process of using fast pyrolysis in a carrier gas to convert a plastic waste feedstream having a mixed polymeric composition in a manner such that pyrolysis of a given polymer to its high value monomeric constituent occurs prior to pyrolysis of other pla... | 04/05/1994 |
| 5245084 | Mixture suited for crosslinking polymers and process for crosslinking polymers with extension of scorch time The mixture consists of at least one organic peroxide, at least one hydroquinone derivative of the general formulae I and/or II and/or III ##STR1## wherein R and R1, which may be identical or different, stand for H or t-alkyl, and X stands... | 09/14/1993 |
| 5245086 | Hydroxylation of phenols/phenol ethers The phenols/phenol ethers are hydroxylated by reaction with hydrogen peroxide, in the presence of a catalytically effective amount of (a) at least one alkali metal or alkaline earth metal salt of a protonic acid having a pKa in water of less than -0.1 and... | 09/14/1993 |
| 5235116 | Process for the preparation of 2-(1-phenylethyl)hydroquinone and 2-(1-phenylethyl)hydroquinone diacetate Provided is an improved process for preparing 2-(1-phenylethyl)hydroquinone and its diacetate salt. In this process, the differential solubility of product and starting materials hydroquinone and styrene in non-polar organic solvents is utilized to provid... | 08/10/1993 |
| 5233097 | Oxidation of aromatics to hydroxyaromatics using aluminosilicates containing framework titanium Certain crystalline titanoaluminosilicate molecular sieve compositions having titanium, aluminum, and silicon present as framework tetrahedral oxide units are particularly effective in hydroxylating the aromatic nucleus of aromatic compounds using hydroge... | 08/03/1993 |
