Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 9,262

Document Document Title
WO/2018/073835A1
The present invention disclosed a process for the preparation of tertiary butyl phenol by reaction of phenol with tertiary butanol using phosphorus pentoxide as catalyst.  
WO/2018/070729A1
Disclosed is a system capable of predicting the quality of an intermediate product and a final product of bisphenol-A. The bisphenol-A quality prediction system according to an embodiment of the present invention may include: a plant inf...  
WO/2018/066005A1
The present invention relates to isomerizing hydroformylation of plant oils to feedstock chemicals and monomers. More particularly, the present invention relates to compound of formula (I) and process for preparation thereof using isomer...  
WO/2018/065834A1
In an embodiment, a method for the continuous manufacture of bisphenol A comprises reacting phenol and acetone in the presence of an acidic catalyst to form a product mixture comprising bisphenol A and phenol; directing the product mixtu...  
WO/2018/060811A1
2,4,6-Trialkylresorcinol is produced by the reaction of resorcinol and a C1-12 alkanol. The reaction is conducted in the presence of a catalyst based on magnesium oxide. The reaction is conducted at a temperature of 300 to 500 °C, a pre...  
WO/2018/052034A1
Provided is a polyvalent phenol compound that exhibits superior alkali resistance, without negatively affecting color, even when used as a resin feedstock material or developer. The polyvalent phenol compound contains less than 1.6 area%...  
WO/2018/051070A1
Alkylated aromatic products are produced in a process comprising the steps of pyrolysing a pyrolysable raw material in a pyrolysis process to obtain a pyrolysis product stream containing a phenolic product and aromatics products;separati...  
WO/2018/046584A1
The invention is related to a cheap, efficient and low-environmental impact method for the preparation of highly pure 4-bromothymol, that can be obtained by the catalytic oxidative bromination of thymol. The oil obtained as product from ...  
WO/2018/041602A1
The invention relates to a method for producing a polycarbonate by reacting at least one diaryl carbonate with at least one aromatic hydroxy compound, which are first mixed in a mixing device and, as a raw material mixture, placed in a r...  
WO/2018/032727A1
Disclosed in the present invention is a method for extracting cannabidiol from cannabis. The method comprises the following steps: crushing and drying the part of the cannabis for extraction to obtain a medicinal powder; using 30-100% (V...  
WO/2018/029140A1
The invention relates to a method for producing substituted styrene derivatives.  
WO/2018/015923A1
The invention is directed to a method for the manufacture of bisphenol A, and to bisphenol A/phenol adduct crystals. The method of the invention comprises: a) reacting phenol and acetone in the presence of an acidic catalyst to form a re...  
WO/2018/011700A1
The invention is directed to a method for the manufacture of bisphenol A, to the use of acid in a method for crystallisation of bisphenol A/phenol adduct, and to bisphenol A/phenol adduct crystals. The method for the manufacture of bisph...  
WO/2018/008683A1
Provided is a method for producing a 1,1,2,2-tetrakis(4-hydroxyphenyl)ethane compound, the method comprising: in a reaction solvent, reacting phenols with glyoxal in the presence of an acid catalyst to obtain a mixture including the 1,1,...  
WO/2018/000094A1
The disclosure relates to decarboxylated cannabis resins and methods of making the decarboxylated cannabis resins by extraction and decarboxylation of cannabinoids from Cannabis species using microwaves and solvents. The disclosure also ...  
WO/2017/218657A3
A polyisobutylene-substituted hydroxyaromatic compound and derivatives thereof which are suitable for use as additives in lubricating compositions. The polyisobutylene-substituted hydroxyaromatic compound may include the reaction product...  
WO/2017/218657A2
A polyisobutylene-substituted hydroxyaromatic compound and derivatives thereof which are suitable for use as additives in lubricating compositions. The polyisobutylene-substituted hydroxyaromatic compound may include the reaction product...  
WO/2017/212059A1
The present invention relates to a new process of manufacturing of caged cyclofen-OH and derivatives thereof, of formula (I) or salts thereof, wherein n, R1, R1 ', R2, and R3 are as defined in the claims.  
WO/2017/207346A1
The present disclosure in general relates to a process for reducing impurities, i.e. undesirable components, present in a cashew nut shell liquid (CNSL) using at least one selective nanofiltration membrane. It further provides new produc...  
WO/2017/195835A1
One purpose of the invention is to provide a technique for modifying polyphenols to suppress the occurrence of precipitation and turbidity in water without separate addition of food additives or conducting enzyme treatment. Modified poly...  
WO/2017/194590A1
The present invention relates to a process for the manufacture of hydroxy-substituted aromatic styryl or stilbene compounds.  
WO/2017/192535A8
The present invention relates to an improved method for treating or preventing a cardiovascular disease or a related condition utilizing hydroxytyrosol and one of a vitamin or an anti-inflammatory.  
WO/2017/192535A1
The present invention relates to an improved method for treating or preventing a cardiovascular disease or a related condition utilizing hydroxytyrosol and one of a vitamin or an anti-inflammatory.  
WO/2017/172617A3
This present disclosure relates to processes and apparatuses for use of a single dividing wall distillation column for phenol fractionation. More specifically, the present disclosure relates to processes and apparatuses for phenol fracti...  
WO/2017/160019A1
The present invention relates to a method for preparing cresol and, more specifically, to a method for preparing cresol, wherein, in a two-component reaction, effective separation of cresol is attained by increasing the extraction effici...  
WO/2017/149017A1
The invention discloses a method for the preparation of (3,4-dihydroxyphenyl)acetic acid or its ester starting from the respective nitrile, and the conversion of (3,4-dihydroxyphenyl)acetic acid ester to hydroxytyrosol.  
WO/2017/146581A1
Described are methods for preparing phenols, benzene carboxylic acids, esters and anhydrides thereof from furanic compounds by reaction with a dienophile, wherein the furanic compounds are reacted with a hydrazine and/or oxime and then r...  
WO/2017/142028A1
A metal-supported macromolecule and a use thereof as a catalyst, said metal-supported macromolecule being obtained by causing a ligand to react with a zinc compound or a cobalt compound, said ligand having an imidazole group that is bond...  
WO/2017/138015A1
The invention relates to a process for the selective o-methylation of phenol in vapor phase. More specifically, the present invention provides a vapor phase process for selective synthesis of methylated product either o-cresol or anisole...  
WO/2017/135123A1
A bisphenol represented by general expression (1) and a production method thereof, a polyarylate resin derived from said bisphenol, a (meth)acrylate compound, and an epoxy resin are provided. In expression (1), R1 to R4 are the same or d...  
WO/2017/124675A1
Disclosed is a method for using a menthene diol to synthesise carvacrol, said method comprising the following steps: step 1, dissolving a menthene diol and a catalyst A in a solvent, heating so that the menthene diol undergoes a dehydrat...  
WO/2017/124676A1
The present invention provides a method for synthesizing carvacrol by using limo nene epoxides. The method comprises the following steps: step 1, under the action of a Lewis acid catalyst A, heating limo nene epoxide for open-loop rearra...  
WO/2017/108339A1
The present invention relates to a method of preparing ortho substituted phenols from 2,5-dimethylfuran and propargyl ethers in the presence of a gold(I) complex. It is particularly advantageous to use 2,5-dimethylfuran as this offers an...  
WO/2017/111357A1
Disclosed is a method for recovering phenol and acetone from a bisphenol-A residue decomposition reaction product, the method being capable of improving economic feasibility and efficiency by utilizing a phenol/acetone purification proce...  
WO/2017/104798A1
The objective of a first invention of the present invention is to provide a method that makes it possible to efficiently produce an oxidation reaction product of a hydrocarbon or derivative thereof using the hydrocarbon or derivative the...  
WO/2017/105682A1
A phenylene ether oligomer is prepared by a process that includes partially converting 2,6-dimethylphenol to 3,3',5,5'-tetramethyl-4,4'-dihydroxybiphenyl and/or 3,3',5,5'-tetramethyldiphenoquinone, converting the residual 2,6 dimethylphe...  
WO/2017/105543A1
This invention relates to compositions and methods for reduction of formaldehyde odor and emission during the production and curing of cores and molds, particularly those cores and molds of the foundry industry which comprise ester curab...  
WO/2017/100164A1
An improved method of manufacture of a bisphenol comprises heating a monohydric phenol to a first temperature sufficient to melt the monohydric phenol; adding a carbonyl compound to 2.0-3.0 molar equivalents, based on the moles of carbon...  
WO/2017/093974A1
In an embodiment, a method of purifying an aromatic alcohol comprises melt polymerizing a dihydroxy compound and a carbonate compound in the presence of a transesterification catalyst to form the aromatic alcohol and a polycarbonate in a...  
WO/2017/095555A1
A method for converting lignin to a phenol product, the method comprising contacting a zeolite catalyst with a lignin under reaction conditions sufficient to produce the phenol product at a yield of equal to or greater than about 50%. A ...  
WO/2017/093847A1
In an embodiment, a method of recovering an unreacted phenol from a bisphenol A production facility comprises reacting an initial phenol and an initial acetone in the presence of a catalyst to produce a bisphenol A stream comprising the ...  
WO/2017/086756A1
The present application relates to a bisphenol A preparation apparatus and preparation method, and provides a bisphenol A preparation apparatus and preparation method, which can increase the overall energy efficiency of a process by usin...  
WO/2017/081133A1
The present invention relates to a process for preparing 2,6-susbstituted phenols, and in particular to a process for preparing 2,6-diphenylphenol. This process is a doubling coupling of a boronic acid and a 2,6-dihalogenphenol in a Suzu...  
WO/2017/069448A1
Disclosed is a phenol purification method capable of minimizing the loss of a heat source and reducing the amount of steam used, thereby maximizing the efficiency of energy consumed in the process. The phenol purification method comprise...  
WO/2017/052790A1
Aromatic compositions useful in various applications, such as aromatic fluid solvents and high temperature heat transfer fluids, are provided herein. Also provided are advantageous methods for obtaining the aromatic compositions, utilizi...  
WO/2017/042181A1
The present invention relates to a process for the preparation of 2,6-di-tert-butyl phenol by reacting phenol with isobutylene in presence of an aluminum phenoxide catalyst, comprising i) preparing an aluminum phenoxide catalyst and phen...  
WO/2017/044229A1
In an embodiment, a method of recovering phenol from a bisphenol A production facility comprises reacting phenol and acetone to produce a bisphenol A stream; separating the bisphenol A stream into a product bisphenol A stream and a purge...  
WO/2017/042088A1
The present invention relates to a process for producing cumene and/or sec- butylbenzene comprising contacting benzene with a mixed olefins stream comprising ethylene and an alkylation agent in the presence of a selective alkylation cata...  
WO/2017/038964A1
A compound purification method according to the present invention comprises: a step for causing a solution (A) that contains a solvent and a hydroxy-substituted aromatic compound represented by formula (A0) and/or formula (B0) to make co...  
WO/2017/038968A1
A compound purification method according to the present invention comprises: a step for causing a solution that contains a solvent and a hydroxy-substituted aromatic compound represented by formula (A0) and/or formula (B0) to pass throug...  

Matches 1 - 50 out of 9,262