From Polyhydroxy Containing Compound Patents (Class 568/619)
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Patent number: 11859025Abstract: Disclosed herein are oligomerization processes in which ethylene and a catalyst system are first combined for a suitable residence time in an activation vessel, prior to introduction into a reaction zone to oligomerize ethylene to form a desired oligomer product, such as 1-hexene and/or 1-octene. Related oligomerization reaction systems that include the activation vessel also are disclosed. In these oligomerization processes and reaction systems, the catalyst system can be fully activated as it leaves the activation vessel and enters the reaction zone, thus providing greater catalyst utilization and less catalyst waste.Type: GrantFiled: September 7, 2021Date of Patent: January 2, 2024Assignee: Chevron Phillips Chemical Company LPInventors: Steven M. Bischof, James L. Hillier, Uriah J. Kilgore, Steve R. Hutchison, Bruce E. Kreischer, Orson L. Sydora
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Patent number: 11352337Abstract: Provided herein are methods for converting CBD to a product mixture comprising ?8-THC, ?9-THC, or a combination thereof. The methods provided herein may comprise one or more of (1) a contacting step wherein a starting material comprising CBD, a catalyst comprising a zeolite, and optionally a solvent are added to a reaction vessel, thereby forming a reaction mixture; (2) a conversion step wherein at least a portion of the CBD is converted to THC, thereby forming a product mixture; and (3) optionally, a separation step wherein at least a portion of the catalyst is removed from the product mixture. Advantageously, the methods do not require the use of catalysts or other reagents that are hazardous to human health.Type: GrantFiled: June 22, 2021Date of Patent: June 7, 2022Assignee: Acid Neutral Alkaline LaboratoryInventor: David Gindelberger
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Patent number: 11242328Abstract: Provided herein are methods for converting CBD to a product mixture comprising ?8-THC, ?9-THC, or a combination thereof. The methods provided herein may comprise one or more of (1) a contacting step wherein a starting material comprising CBD, a catalyst comprising an iron (III) salt, and optionally a solvent are added to a reaction vessel, thereby forming a reaction mixture; (2) a conversion step wherein at least a portion of the CBD is converted to THC, thereby forming a product mixture; and (3) optionally, a separation step wherein at least a portion of the catalyst is removed from the product mixture. Advantageously, the methods utilize a catalyst comprising iron (III) sulfate, which is commonly used as a food additive and is generally recognized as safe for human consumption, and do not require the use of catalysts or other reagents that are hazardous to human health.Type: GrantFiled: April 2, 2021Date of Patent: February 8, 2022Assignee: Acid Neutral Alkaline LaboratoryInventor: David Gindelberger
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Patent number: 11208530Abstract: A novel multi-arm polyethylene glycol (PEG) (I) and preparation method thereof. Active derivatives (II) based on the multi-arm PEG. Gels formed of the active derivatives. Drug conjugates formed of the active derivatives and drug molecules and uses thereof in medical preparation. The multi-arm PEG is formed by polymerizing ethylene oxide with pentaerythritol oligomers as initiator, wherein PEG is the same or different and is a —(CH2CH2O)m-, the average value of m is an integer of 3-1000, l is an integer more than or equal to 2. An 8-arm PEG is preferred, wherein l is equal to 3. The active derivatives (II) comprise link groups X attached to PEG and active end groups F attached to X.Type: GrantFiled: September 28, 2009Date of Patent: December 28, 2021Inventors: Xuan Zhao, Yuhe Zhao
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Patent number: 10723830Abstract: This invention relates to a semi-batch process for preparing low viscosity polyoxyalkylene polyether polyols (P) that have a narrow molecular weight distribution. This process comprises reacting a H-functional starter substance (Si), a H-functional starter substance (Sx) and a H-functional starter substance (Sc) with one or more alkylene oxides in the presence of a double metal cyanide (DMC) catalyst. The resultant polyoxyalkylene polyols (P) have a functionality of 2 to 8 and a hydroxyl number of 5 to 35 mg KOH/g polyol. In addition, the polyoxyalkylation can be completed with a low continuous addition of starter (CAOS) cap.Type: GrantFiled: September 25, 2019Date of Patent: July 28, 2020Assignees: Covestro LLC, Covestro Deutschland AGInventors: Jack R. Reese, Edward P. Browne, Yue Yang, Jose F. Pazos
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Patent number: 10723829Abstract: This invention relates to a process for preparing low viscosity polyoxyalkylene polyols (P) that have a narrow molecular weight distribution. This process comprises reacting a H-functional starter substance (Si), a H-functional starter substance (Sx) and a H-functional starter substance (Sc) with one or more alkylene oxides in the presence of a double metal cyanide catalyst. The resultant polyoxyalkylene polyols (P) have a functionality of 2 to 8 and a hydroxyl number of 5 to 35 mg KOH/g polyol.Type: GrantFiled: September 25, 2019Date of Patent: July 28, 2020Assignees: Covestro LLC, Covestro Deutschland AGInventors: Jack R. Reese, Edward P. Browne, Yue Yang, Jose F. Pazos
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Patent number: 9120894Abstract: The present invention relates to a process for the preparation of polyether carbonate polyols from one or more H-functional starter compounds, one or more alkylene oxides and carbon dioxide in the presence of a double metal cyanide catalyst, wherein (?) the H-functional starter substance or a mixture of at least two H-functional starter substances is initially introduced into the reaction vessel, (?) for the activation, a part amount (based on the total amount of the amount of alkylene oxides employed in steps (?) and (?)) of one or more alkylene oxides is added to the mixture resulting from step (?), it also being possible for step (?) to be carried out several times for the activation, (?) one or more alkylene oxides and carbon dioxide are metered continuously into the mixture resulting from step (?) (“copolymerization”), the alkylene oxides employed for the copolymerization being identical to or different from the alkylene oxides employed in step (?), characterized in that in step (?) the carbon dioxide isType: GrantFiled: July 17, 2012Date of Patent: September 1, 2015Assignee: Bayer Intellectual Property GmbHInventors: Thomas Ernst Müller, Christoph Gürtler, Matthias Wohak, Jörg Hofmann, Muhammad Afzal Subhani, Maurice Cosemans, Walter Leitner
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Patent number: 9114380Abstract: The invention relates to a method for conditioning double metal catalysts which are used in the production of polyether polyols. The conditioning enhances the performance of the catalyst, so that lower concentrations of the DMC catalyst can be used in polyether polyol production.Type: GrantFiled: October 1, 2010Date of Patent: August 25, 2015Assignee: BASF SEInventors: Igor Shishkov, Sirus Zarbakhsh, Ronald Adelmann, Wolfgang Rohde, Achim Loeffler
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Patent number: 9035105Abstract: A polyether polyol based on renewable materials is obtained by the in situ production of a polyether from a hydroxyl group-containing vegetable oil, at least one alkylene oxide and a low molecular weight polyol having at least 2 hydroxyl groups. The polyol is produced by introducing the hydroxyl group-containing vegetable oil, a catalyst and an alkylene oxide to a reactor and initiating the alkoxylation reaction. After the alkoxylation reaction has begun but before the reaction has been 20% completed, the low molecular weight polyol having at least 2 hydroxyl groups is continuously introduced into the reactor. After the in situ made polyether polyol product having the desired molecular weight has been formed, the in situ made polyether polyol is removed from the reactor. These polyether polyols are particularly suitable for the production of flexible polyurethane foams.Type: GrantFiled: July 20, 2012Date of Patent: May 19, 2015Assignee: Bayer MaterialScience LLCInventors: Jack R. Reese, Stanley L. Hager, Micah Moore
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Patent number: 9035104Abstract: Disclosed are processes relating to the production of polyglycerol ethers of fatty alcohols, in particular, one step process using fatty alcohol and glycerine to synthesize polyglycerides of fatty alcohols will provide a 100% renewable surfactant that is cost effective efficient and CMR free. The synthetic methods mentioned in prior art uses hazardous chemicals as glycidyl ethers, epichlorohydrin that are listed as CMR and known carcinogens and hazardous to handle.Type: GrantFiled: December 15, 2011Date of Patent: May 19, 2015Assignee: Rhodia OperationsInventors: Manilal S. Dahanayake, Andrew Douglass, Robert Lee Reierson
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Patent number: 8946485Abstract: Disclosed is branched poly(trimethylene ether) polyols prepared from the acid catalyzed polycondensation reaction of 1,3-propanediol, and at least one triol comonomer selected from 1,1,1-tris(hydroxymethyl)ethane and 1,1,1-tris(hydroxymethyl)propane. Also disclosed is a branched poly(trimethylene ether) polyol with an equivalent hydroxyl functionality of about 2.1 to about 3.2 and a Mn of about 200 to about 6000. The polyols are useful in the preparation of polyurethane rigid and flexible foams.Type: GrantFiled: August 29, 2011Date of Patent: February 3, 2015Assignee: E I du Pont de Nemours and CompanyInventors: Gyorgyi Fenyvesi, Raja Hari Poladi, Hari Babu Sunkara
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Publication number: 20140335229Abstract: A method of producing a solid glycerol derived material includes the steps of combining glycerol with a metal oxide, the glycerol having a water content of between about 5 and 50%, and the rate of combination of the glycerol and the metal oxide and the amount of the metal oxide being selected so that at least part of the water present in the glycerol reacts with the metal oxide in an exothermic reaction and at least part is driven off by heat produced in the exothermic reaction to produce the solid glycerol derived material.Type: ApplicationFiled: July 22, 2014Publication date: November 13, 2014Inventors: Richard Alwyn Houseman, Abraham Christo Venter
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Patent number: 8884073Abstract: Provided are processes for preparing low molecular weight polytrimethylene ether glycol by acid catalyzed polycondensation, neutralization, removal of unreacted monomer, and contact with filter aid. The processes can avoid hydrolysis and yet provide product substantially free of catalyst derived end groups.Type: GrantFiled: April 23, 2012Date of Patent: November 11, 2014Assignee: E I du Pont de Nemours and CompanyInventors: Edward Budi Muliawan, Raja Hari Poladi, Hari Babu Sunkara
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Patent number: 8822736Abstract: The present invention relates to a process for accelerated preparation of linear polymers of polyhydric alcohols using microwave irradiation as the heat element in the presence of specified catalysts.Type: GrantFiled: October 19, 2006Date of Patent: September 2, 2014Assignee: Malaysian Palm Oil BoardInventors: Seng Soi Hoong, Norin Zamiah Kassim Shaari, Salmiah Ahmad, Hazimah Abu Hassan
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Patent number: 8816133Abstract: Accordingly, the present invention provides a process for preparing polyglycerol from crude glycerol, wherein the crude glycerol having a glycerol content from about 60 to about 90%, soap content from about 10 to about 15% and methanol content from about 5 to about 20%, the process includes the steps of (a) heating the crude glycerol that contains soap to an elevated temperature for a certain reaction time, (b) acidifying the crude polyglycerol with mineral acid at a specific temperature and (c) centrifuging the acidified crude product obtained from step (b) at specific temperature for a certain duration of time.Type: GrantFiled: June 23, 2010Date of Patent: August 26, 2014Assignee: Malaysian Palm Oil Board (MPOB)Inventors: Seng Soi Hoong, Zailan Abu Bakar, Nik Siti Mariam Nek Mat Din, Zainab Idris, Shoot Kian Yeong, Hazimah Abu Hassan, Salmiah Ahmad
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Patent number: 8816132Abstract: The present invention relates to a process for accelerated preparation of polyglycerol from crude glycerol using microwave irradiation as the heat element in the presence of soap as the catalyst. The process includes the steps of (a) heating the crude glycerol that contain soap to an elevated temperature for a certain reaction time by using a microwave technology, (b) acidifying the crude polyglycerol with mineral acid at a specific temperature and centrifuging acidified crude product obtained from step (b) at a specific temperature for a certain duration of time.Type: GrantFiled: May 7, 2010Date of Patent: August 26, 2014Assignee: Malaysian Palm Oil Board (MPOB)Inventors: Hoong Seng Soi, Zailan Abu Bakar, Nik Siti Mariam Nek Mat Din, Zainab Idris, Yeong Shoot Kian, Hazimah Abu Hassan, Salmiah Ahmad
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Publication number: 20140182485Abstract: A polyoxymethylene polymer is disclosed that contains long-chain alkylene glycol end groups. The polyoxymethylene polymer may be formed by using a Bis-oligo-alkylene glycol-formal as a chain transfer agent during production of the polymer. The end groups on the polyoxymethylene polymer may comprise ethylene oxide end groups and/or propylene oxide end groups. The resulting polymer has excellent flow characteristics and may be used as a flow additive for other thermoplastic polymers. Alternatively, the polymer may be used to form various molded articles with excellent tribological properties.Type: ApplicationFiled: December 20, 2013Publication date: July 3, 2014Applicant: Ticona GmbHInventors: Andre Hebel, Michael Haubs
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Patent number: 8766015Abstract: Disclosed is a method of preparing a glycol mono-tertiary-butyl ether compound using a C4 hydrocarbon mixture containing isobutene and a glycol compound as reactants, in which a glycol di-tertiary-butyl ether compound as a byproduct is decomposed into isobutene and a glycol compound and the obtained isobutene and glycol compound are recycled as reactants, whereby product yield per unit raw material may be maximized.Type: GrantFiled: February 21, 2012Date of Patent: July 1, 2014Assignee: Daelim Industrial Co., Ltd.Inventors: Myeong-Seok Kim, Jae-Hoon Uhm, Min-Sup Park, Hyoung-Jae Seo, Kyoung-Tae Min
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Patent number: 8704005Abstract: Methods are provided for making polyglycerol. The methods include heating glycerol at reduced pressure in the absence of a glyceride and in the presence of a catalytic amount of an acid selected from the group consisting of sulfuric acid, triflic acid, hydrochloric acid, hexafluorophosphoric acid, tetrafluoroboric acid and mixtures thereof.Type: GrantFiled: March 17, 2011Date of Patent: April 22, 2014Assignee: University of OttawaInventors: Marc Dube, Somaieh Salehpour
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Patent number: 8637711Abstract: Aspects of the present invention are directed to novel methods for making discrete polyethylene compounds selectively and specifically to a predetermined number of ethylene oxide units. Methods which can be used to build up larger dPEG compounds (a) containing a wider range of utility to make useful homo- and heterofunctional and branched species, and (b) under reaction configurations and conditions that are milder, more efficient, more diverse in terms of incorporating useful functionality, more controllable, and more versatile then any conventional method reported in the art to date. In addition, the embodiments of the invention allow for processes that allow for significantly improving the ability to purify the intermediates or final product mixtures, making these methods useful for commercial manufacturing dPEGs. Protecting groups and functional groups can be designed to make purification at large scale a practical reality.Type: GrantFiled: January 27, 2011Date of Patent: January 28, 2014Assignee: Quanta BioDesign, Ltd.Inventors: Paul D. Davis, Edward C. Crapps
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Publication number: 20130338331Abstract: The invention relates to methods for the preparation of polyether polyols by DMC-catalysed alkylene oxide addition to starter compounds comprising acidic sulfuric acid salts, to the use thereof for the preparation of polyurethanes, and to polyurethanes comprising the polyether polyols according to the invention.Type: ApplicationFiled: December 19, 2011Publication date: December 19, 2013Applicant: Bayer Materialscience AGInventors: Klaus Lorenz, Joerg Hofmann
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Publication number: 20130331613Abstract: Disclosed is a method of preparing a glycol mono-tertiary-butyl ether compound using a C4 hydrocarbon mixture containing isobutene and a glycol compound as reactants, in which a glycol di-tertiary-butyl ether compound as a byproduct is decomposed into isobutene and a glycol compound and the obtained isobutene and glycol compound are recycled as reactants, whereby product yield per unit raw material may be maximized.Type: ApplicationFiled: February 21, 2012Publication date: December 12, 2013Applicant: DAELIM INDUSTRIAL CO., LTD.Inventors: Myeong-Seok Kim, Jae-Hoon Uhm, Min-Sup Park, Hyoung-Jae Seo, Kyoung-Tae Min
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Patent number: 8598391Abstract: Processes for reducing the color of polytrimethylene ether glycol or copolymers thereof are provided. The processes include polycondensing diols in the presence of an acid catalyst and adding base continuously over a period of the polycondensation reaction. The invention also relates to the polytrimethylene ether glycol thereof produced by these processes.Type: GrantFiled: September 29, 2010Date of Patent: December 3, 2013Assignee: E I du Pont de Nemours and CompanyInventors: Aaron Minter, Edward R. Murphy, Howard C. Ng, Rupert Spence, Tuyu Xie
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Publication number: 20130289314Abstract: Methods are provided for making polyglycerol. The methods include heating glycerol at reduced pressure in the absence of a glyceride and in the presence of a catalytic amount of an acid selected from the group consisting of sulfuric acid, triflic acid, hydrochloric acid, hexafluorophosphoric acid, tetrafluoroboric acid and mixtures thereof.Type: ApplicationFiled: March 17, 2011Publication date: October 31, 2013Inventors: Marc Dube, Somaieh Salehpour
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Patent number: 8513471Abstract: A process for the manufacture of a polyol (per)fluoropolyether derivative comprising: 1. reacting at least one triol having two protected hydroxyl functions and a free hydroxyl group with an activating agent, to yield an activated protected triol; 2. reacting the activated protected triol with a functional (per)fluoropolyether derivative of formula: T2-O—Rf-T1, wherein: Rf represents a fluoropolyoxyalkene chain which is a fluorocarbon segment comprising ether linkages in main chain; T1 and T2, equal to or different from each other, are independently selected from non-functional groups of formula: —CF3, —CF2—CF3, —CF2Cl, —CF2CF2Cl, —CF2—COF, —COF: and functional hydroxyl groups comprising at least one hydroxyl group, with the provisio that at least one of T1 and T2 is a functional hydroxyl group as above detailed to yield a protected polyol (per)fluoropolyether derivative; and 3. deprotecting the protected polyol (per)fluoropolyether derivative to yield the polyol (per)fluoropolyether derivative.Type: GrantFiled: October 3, 2008Date of Patent: August 20, 2013Assignee: Solvay Solexis S.p.A.Inventors: Claudio Tonelli, Graziano Giuseppe Vezzulli, Rosaldo Picozzi, Piero Gavezotti, Antonella Di Meo
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Patent number: 8409596Abstract: This invention relates to deodorant compositions containing polytrimethylene ether glycol homo- and copolymers and/or polytrimethylene glycol ester(s) in a variety of physical forms. In at least one embodiment, the polytrimethylene ether glycol homo- and copolymers and/or polytrimethylene glycol ester(s) can be made from monomers (e.g., 1,3-propanediol) obtained from renewable resources, and can thus be more environmentally friendly than conventional deodorant compositions in terms of manufacture, use and disposal.Type: GrantFiled: January 5, 2012Date of Patent: April 2, 2013Assignee: E I du Pont de Nemours and CompanyInventors: Hari Babu Sunkara, Raja Hari Poladi
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Patent number: 8350078Abstract: The present invention relates to processes for the production of sterically hindered diol ethers and diacyl ethers of formulaType: GrantFiled: August 26, 2010Date of Patent: January 8, 2013Assignee: The Research Foundation of State University of New YorkInventors: Robert L. Brainard, Brian Cardineau
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Publication number: 20120277478Abstract: Provided are processes for preparing low molecular weight polytrimethylene ether glycol by acid catalyzed polycondensation, neutralization, removal of unreacted monomer, and contact with filter aid. The processes can avoid hydrolysis and yet provide product substantially free of catalyst derived end groups.Type: ApplicationFiled: April 23, 2012Publication date: November 1, 2012Applicant: E I DU PONT DE NEMOURS AND COMPANYInventors: EDWARD BUDI MULIAWAN, RAJA HARI POLADI, HARI BABU SUNKARA
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Publication number: 20120215031Abstract: Disclosed are processes relating to the production of polyglycerol ethers of fatty alcohols, in particular, one step process using fatty alcohol and glycerine to synthesize polyglycerides of fatty alcohols will provide a 100% renewable surfactant that is cost effective efficient and CMR free. The synthetic methods mentioned in prior art uses hazardous chemicals as glycidyl ethers, epichlorohydrin that are listed as CMR and known carcinogens and hazardous to handle.Type: ApplicationFiled: December 15, 2011Publication date: August 23, 2012Applicant: RHODIA OPERATIONSInventors: Manilal S. Dahanayake, Andrew Douglass, Robert Lee Reierson
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Publication number: 20120078018Abstract: A process for neutralizing an unneutralised polyether polyol prepared using a base catalyst according to the invention comprises the steps of addition of a polyprotic acid to the unneutralised polyether polyol, the highest pKa-value of the polyprotic acid being less than 3.Type: ApplicationFiled: May 18, 2010Publication date: March 29, 2012Applicant: Huntsman International LLCInventor: Sylvie De Mars
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Patent number: 8114423Abstract: This invention relates to deodorant compositions containing polytrimethylene ether glycol homo- and copolymers and/or polytrimethylene glycol ester(s) in a variety of physical forms. In at least one embodiment, the polytrimethylene ether glycol homo- and copolymers and/or polytrimethylene glycol ester(s) are derived predominantly from monomers (e.g., 1,3-propanediol) obtained from renewable resources, and are thus more environmentally friendly in terms of manufacture, use and disposal.Type: GrantFiled: October 9, 2007Date of Patent: February 14, 2012Assignee: E. I. du Pont de Nemours and CompanyInventors: Hari Babu Sunkara, Raja Hari Prasad R. Poladi
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Patent number: 8114957Abstract: Processes for preparing relatively high molecular weight poly(trimethylene ether)glycol employing a cocatalyst system are provided.Type: GrantFiled: February 9, 2009Date of Patent: February 14, 2012Assignee: E. I. du Pont de Nemours and CompanyInventors: Yanhui Niu, Zuohong Yin
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Publication number: 20110251437Abstract: A polyglycerol monoether is represented by FOLLOWING General Formula (1): RO-(C3H6O2)n-H??(1) wherein R represents an alcohol residue having one to thirty carbon atoms; and “n” is an average number of moles of added glycerol units and represents a number of 2 or more, and has a content (peak area percentage) of monoether components of 75% or more and a content (peak area percentage) of diether components of 5% or less, as determined by reversed-phase partition high-performance liquid chromatography using a 80:20 (by volume) mixture of methanol and water as an eluent. The polyglycerol monoether may be prepared by adding a basic substance to an alcohol to yield an alkoxide, adding glycidol to the alkoxide, and subjecting them to a reaction at 0° C. to 100° C.Type: ApplicationFiled: June 24, 2011Publication date: October 13, 2011Inventors: Yuichi Sakanishi, Sunao Mihara
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Patent number: 8034980Abstract: A process for preparing polyether polyols by reaction of the following starting materials: a) one or more alkylene oxides and, if appropriate, carbon dioxide and also b) one or more H-functional starter substances, in the presence of a catalyst, in a reaction unit having a plurality of parallel layers A, B which are microstructured so that each layer has a multiplicity of channels which are arranged parallel to one another and form a continuous flow path from one side of the plate to the opposite side of this, wherein a distribution device for introduction of the starting materials and the catalyst is provided at one end of the channels of the layers A and a collection device for the reaction mixture is provided at the other end of these is proposed.Type: GrantFiled: May 22, 2007Date of Patent: October 11, 2011Assignee: BASF AktiengesellschaftInventors: Achim Loeffler, Wolfgang Loth, Ralf Boehling, Thomas Ostrowski, Michael Stoesser, Hartwig Voss, Axel Schimpf
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Publication number: 20110230581Abstract: Polyether polyols with an OH number of from 15 to 120 mg of KOH/g are produced by (i) introducing a mixture of DMC catalyst and a poly(oxyalkylene)polyol or a mixture of DMC catalyst and a polyether polyol (“heel”) obtainable by the process according to the invention is initially into a reactor and (ii) continuously introducing one (or more) low molecular weight starter compound(s) with a (mixed) hydroxyl functionality of from 2.2 to 6.0 and a mixture composed of a) 73 to 80 parts by weight (per 100 parts by weight of a) plus b)) of ethylene oxide and b) 27 to 20 parts by weight (per 100 parts by weight of a) plus b)) of at least one substituted alkylene oxide corresponding to a specified formula into the mixture from step (i). These polyether polyols are particularly useful for the production of flexible polyurethane foams.Type: ApplicationFiled: March 17, 2010Publication date: September 22, 2011Applicants: Bayer MaterialScience LLC, Bayer MaterialScience AGInventors: Bert Klescewski, Jörg Hofmann, Klaus Lorenz, Jack R. Reese, Jose F. Pazos
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Patent number: 7968754Abstract: The invention relates to a process for the continuous preparation of polyether alcohols by reaction of alkylene oxides with H-functional starter substances in the presence of DMC catalysts, which comprises, at the beginning of the process a) firstly placing initial charge material and DMC catalyst in a reactor, b) metering in alkylene oxide so that the metering rate which is maintained for continuous operation of the reactor is reached in a time of from 100 to 3000 seconds, c) metering in starter substance during or after step b) so that the metering rate which is maintained for continuous operation of the reactor is reached in a time of from 5 to 500 seconds, d) after the fill level in the reactor which is desired for continuous operation of the reactor has been reached, taking product off continuously from the reactor while at the same time metering in starter substance and alkylene oxides in such an amount that the fill level in the reactor remains constant and metering in DMC catalyst so that the catalysType: GrantFiled: November 6, 2004Date of Patent: June 28, 2011Assignee: BASF AktiengesellschaftInventors: Thomas Ostrowski, Raimund Ruppel, Eva Baum, Kathrin Harre
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Publication number: 20110152498Abstract: Processes for producing polytrimethylene ether glycol and copolymers thereof are provided wherein, by condensing and recycling at least a portion of the vapor phase produced as the reaction progresses, the yield loss and polymer color are reduced.Type: ApplicationFiled: December 17, 2010Publication date: June 23, 2011Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventors: Christian Hoffmann, Scott Christopher Jackson, Edward R. Murphy, Bhuma Rajagopalan
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Patent number: 7964552Abstract: This invention relates to surfactant compositions comprising a fluorosurfactant and a siloxane surfactant wherein the fluorosurfactant exhibits a disproportionate effect upon the resulting surfactant composition's ability to lower equilibrium surface tension. The fluorosurfactants and siloxane surfactants identified by the present invention exhibit a desirable disproportionate effect from the fluorosurfactant acting upon the resulting surfactant composition's ability to lower equilibrium surface tension. Because of this disproportionate effect, surfactant compositions of the present invention with no more than 21 weight percent fluorosurfactant have nearly identical ability to lower equilibrium surface tensions compared with surfactant compositions having higher amounts of fluorosurfactant.Type: GrantFiled: November 13, 2007Date of Patent: June 21, 2011Assignee: E. I. du Pont de Nemours and CompanyInventors: Axel Hans-Joachim Herzog, Shaun Raymond Rinehimer
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Publication number: 20110118508Abstract: The present invention relates to a process for accelerated preparation of polyglycerol from crude glycerol using microwave irradiation as the heat element in the presence of soap as the catalyst. The process includes the steps of (a) heating the crude glycerol that contain soap to an elevated temperature for a certain reaction time by using a microwave technology, (b) acidifying the crude polyglycerol with mineral acid at a specific temperature and centrifuging acidified crude product obtained from step (b) at a specific temperature for a certain duration of time.Type: ApplicationFiled: May 7, 2010Publication date: May 19, 2011Applicants: MALAYSIAN PALM OIL BOARD (MPOB), CTI BIOFUELS LLCInventors: Hoong Seng Soi, Zailan Abu Bakar, Nik Siti Mariam Nek Mat Din, Zainab Idris, Yeong Shoot Kian, Hazimah Abu Hassan, Salmiah Ahmad
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Publication number: 20110112331Abstract: Processes are provided for manufacturing polytrimethylene ether glycol, in which water is added to the product polymer to facilitate phase separation.Type: ApplicationFiled: November 9, 2009Publication date: May 12, 2011Applicant: E.I. DU PONT DE NEMOURS AND COMPANYInventors: Arthur William Etchells, Frederic Godbille, Hua Liang, Hari Babu Sunkara
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Publication number: 20110077433Abstract: Processes for reducing the color of polytrimethylene ether glycol or copolymers thereof are provided. The processes include polycondensing diols in the presence of an acid catalyst and adding base continuously over a period of the polycondensation reaction. The invention also relates to the polytrimethylene ether glycol thereof produced by these processes.Type: ApplicationFiled: September 29, 2010Publication date: March 31, 2011Applicant: E.I. DU PONT DE NEMOURS AND COMPANYInventors: Aaron Minter, Edward R. Murphy, Howard C. Ng, Rupert Spence, Tuyu Xie
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Publication number: 20110077419Abstract: A double metal cyanide catalyst of the present invention having a controlled reactivity for preparing a polyol, which contains an ether ligand having a molecular weight of less than 200 and a glycol ligand having a molecular weight of less than 200 can be used in the preparation of a polyol having a unsaturation degree suitable for direct use for producing a polyurethane having suitable properties.Type: ApplicationFiled: November 4, 2008Publication date: March 31, 2011Applicant: SKC CO., LTDInventors: Jun Tae Ahn, Sang Hyun Lee, Young Chan Jeon, Sang Wook Park, Chang Ha Park, In Ha Park
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Patent number: 7888536Abstract: Aspects of the present invention are directed to novel methods for making discrete polyethylene compounds selectively and specifically to a predetermined number of ethylene oxide units. Methods which can be used to build up larger dPEG compounds (a) containing a wider range of utility to make useful homo- and heterofunctional and branched species, and (b) under reaction configurations and conditions that are milder, more efficient, more diverse in terms of incorporating useful functionality, more controllable, and more versatile then any conventional method reported in the art to date. In addition, the embodiments of the invention allow for processes that allow for significantly improving the ability to purify the intermediates or final product mixtures, making these methods useful for commerial manufacturing dPEGs. Protecting groups and functional groups can be designed to make purification at large scale a practical reality.Type: GrantFiled: August 15, 2005Date of Patent: February 15, 2011Assignee: Quanta BioDesign, Ltd.Inventors: Paul D. Davis, Edward C. Crapps
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Publication number: 20110021738Abstract: The present invention relates to polyols obtainable via a simple process. Unless specified explicitly, polyols in the following are to be understood as meaning both polyether polyols and polyether ester polyols. The invention also provides the simple process itself and the use of the polyols according to the invention for the preparation of polyurethane materials.Type: ApplicationFiled: February 17, 2009Publication date: January 27, 2011Applicant: Bayer MaterialScience AGInventor: Klaus Lorenz
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Publication number: 20100256423Abstract: A method for producing a polyoxyalkylene derivative represented by the following general formula (1): Z?(OA)n—OH]m??(1) wherein Z is a residue of glycerin or diglycerin, OA is an oxyalkylene group having 2 to 4 carbon atoms, n is an average number of moles of the oxyalkylene group added and is 80 to 800, and m is 3 to 4, the method comprising steps (A), (B), (C), (D), (E), and (F) defined in the present description.Type: ApplicationFiled: March 31, 2010Publication date: October 7, 2010Applicant: NOF CORPORATIONInventors: Satoshi MATSUO, Kazuhiro HASHIMOTO, Ken-ichiro NAKAMOTO, Chika ITOH
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Patent number: 7807615Abstract: The present invention relates to a process for preparing polyol alkyl ethers by reacting compounds comprising at least three hydroxyl functionalities with olefins in the presence of acidic catalysts at temperatures of from 20 to 250° C. and pressures of from 0.5 to 10 bar, wherein the olefins correspond to the general formula (I) in which R1 is hydrogen and R2 is a linear or branched carbon radical having from 7 to 28 carbon atoms, or R1 and R2 are each linear or branched carbon radicals having from 1 to 27 carbon atoms, the sum of the carbon number of R1 and R2 being at most 28, to polyol alkyl ethers derived from compounds having at least three hydroxyl functionalities, not more than all but one hydroxyl functionality being replaced by a moiety of the general formula (VIII) to the use of these polyol alkyl ethers as surfactants and to laundry detergents and cleaning compositions comprising these polyol alkyl ethers.Type: GrantFiled: April 5, 2006Date of Patent: October 5, 2010Assignee: BASF AktiengesellschaftInventors: Juergen Stephan, Michael Roeper, Thomas Heidemann, Michael Triller, Juergen Tropsch
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Publication number: 20100240929Abstract: The present invention relates to a process for accelerated preparation of linear polymers of polyhydric alcohols using microwave irradiation as the heat element in the presence of specified catalysts.Type: ApplicationFiled: October 19, 2006Publication date: September 23, 2010Applicant: MALAYSIAN PALM OIL BOARDInventors: Seng Soi Hoong, Norin Zamiah Kassim Shaari, Salmiah Ahmad, Hazimah Abu Hassan
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Patent number: 7759526Abstract: The present invention relates to cannabidiol derivatives and to pharmaceutical compositions comprising cannabidiol derivatives being antiinflammatory agents having analgesic, antianxiety, anticonvulsive, neuroprotective, antipsychotic and anticancer activity. The present invention also relates to a process for the preparation of cannabidiol derivatives. It also relates to the use of cannabidiol derivatives and of pharmaceutical compositions comprising same in the preparation of a medicament, in a method of the treatment of human beings with cannabidiol derivatives or with a pharmaceutical preparations comprising same.Type: GrantFiled: June 12, 2001Date of Patent: July 20, 2010Assignee: Yissum Research Development CompanyInventors: Raphael Mechoulam, Susana Tchilibon, Ester Fride, Lumir Hanus, Aviva Breuer, Ruth Gallily
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Patent number: 7750191Abstract: The invention provides a process for continuously preparing polyether alcohols by adding alkylene oxides to H-functional starter substances using a DMC catalyst, comprising the steps of a) preparing a precursor by continuously metering an H-functional starter substance, an alkylene oxide or a mixture of at least two alkylene oxides and the required amount of DMC catalyst into a continuous reactor, b) continuously withdrawing the precursor from step a) from the reactor, c) continuously metering the product from step a), an alkylene oxide different from that in step a) or a mixture of at least two alkylene oxides different from that in step a) and, if appropriate, the required amount of DMC catalyst into a further continuous reactor.Type: GrantFiled: June 22, 2005Date of Patent: July 6, 2010Assignee: BASF AktiengesellschaftInventors: Thomas Ostrowski, Stephan Bauer, Achim Loeffler, Juergen Winkler
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Patent number: 7745668Abstract: Processes for reducing color in PO3G are provided. The processes include contacting PO3G with an activated carbon and then separating the PO3G from the activated carbon by, for example, filtration. The process provides PO3G having an APHA color less than that before contact with the absorbent. The processes are desirably used for polymers having a molecular weight of about 250 to about 5000.Type: GrantFiled: August 3, 2007Date of Patent: June 29, 2010Assignee: E. I. du Pont de Nemours and CompanyInventors: Hari Babu Sunkara, Hiep Quang Do