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| Number | Title | Issue Date |
| 7999140 | Method for the production of polyoxymethylene dialkyl ethers from trioxan and dialkylethers A process for preparing polyoxymethylene dialkyl ethers of the formula H2m+1CmO(CH2O)nCmH2m+1 where n=2-10, m, identically or differently,=1 or ... | 08/16/2011 |
| 7714174 | Lower-color polytrimethylene ether glycol using hydride compounds The present invention relates to a process for preparing lower-color polytrimethylene ether glycol, comprising contacting said polytrimethylene ether glycol, or its precursor reaction-mixture, with a hydride compound during at least one stage of the process of manuf... | 05/11/2010 |
| 7435857 | Method for producing pure α-alkoxy-Ω-hydroxy-polyalkylene glycols The invention relates to a method for producing pure alpha-alkoxy-Ω-hydroxy-polyalkylene glycols, creating small impurities of the product on high-molecular a-Ω-di-hydroxy-polyalkylene glycols. The method is based on the use of high-boiling initiator alcohols of t... | 10/14/2008 |
| 7241504 | Diols formed by ring-opening of epoxies A polyol monomer comprising the formula: R1 is aliphatic or aromatic, R2 is aliphatic, aromatic, ester, ether, or acrylic, and R1 contains a hydroxyl group, R2 contains... | 07/10/2007 |
| 7235113 | Use of an oxygenated product as a substitute of gas oil in diesel engines Use of a liquid oxygenated product with a cetane number higher than 50, consisting of one or more compounds selected from dialkyl-polyformals represented by the formula RO(CH2O)mR wherein R is an alkyl chain CnH | 06/26/2007 |
| 7226988 | Method of forming polyetherols in the presence of carboxy-modified aluminum-based catalysts A polyether polyol is formed by a method utilizing a carboxy-modified aluminum-based catalyst. The method includes providing an alkylene oxide, providing an initiator molecule having at least one alkylene oxide reactive hydrogen, and reacting the alkylene oxide with... | 06/05/2007 |
| 7223803 | Polyethylene (glycol) derivatives with proximal reactive groups An activated, substantially water soluble poly(ethylene glycol) is provided having of a linear or branched poly(ethylene glycol) backbone and at least one terminus linked to the backbone through a hydrolytically stable linkage, wherein the terminus is branched and h... | 05/29/2007 |
| 7205337 | End-capped polymers and compositions containing such compounds End-capped polymers, methods for making those end-capped polymers, compositions containing those end-capped polymers, and methods for using those compositions are disclosed. One of the disclosed end-capped copolymers has the formula (I): | 04/17/2007 |
| 7141539 | Process for producing detergent molecules comprising an ether linkage from butadiene Novel detergent molecules and methods for producing such detergent molecules by dimerizing and alkoxylating butadiene with one or more reactant alkanol selected from the group consisting of a primary alkanol and an α, ω-diol, hydrogenating the alkoxydimerization p... | 11/28/2006 |
| 7119162 | Substantially monodispersed mixtures of polymers having polyethylene glycol moieties Methods of synthesizing a substantially monodispersed mixture of polymers comprising polyethylene glycol moieties include: reacting a substantially monodispersed mixture of compounds having the structure of Formula I: R | 10/10/2006 |
| 7101955 | Synthesis of energetic thermoplastic elastomers containing both polyoxirane and polyoxetane blocks This thermoplastic elastomer is present in a substantially solid state suitable for use as a binder for a propellant, explosive, and/or gas generant of a supplemental restraint system. The thermoplastic elastomer is formed from a composition including A blocks which... | 09/05/2006 |
| 7071364 | Branched primary alcohol compositions and derivatives thereof A detergent composition having cold water solubility and exhibiting high calcium tolerance can be produced from biodegradable branched ether derivative compositions derived from a branched ether primary alcohol represented by the formula: | 07/04/2006 |
| 7034103 | Process for production of polyols with hydroxide containing double metal cyanide (DMC) catalysts The present invention provides process for producing polyols using a crystalline, hydroxide containing double metal cyanide (DMC) catalyst of the formulae (I) or (II), M1x[M2(CN)6]yOH.L (I) | 04/25/2006 |
| 7030278 | Polyethylene(Glycol) derivatives with proximal reactive groups An activated, substantially water soluble poly(ethylene glycol) is provided having of a linear or branched poly(ethylene glycol) backbone and at least one terminus linked to the backbone through a hydrolytically stable linkage, wherein the terminus is branched and h... | 04/18/2006 |
| 7022884 | Preparation of polyetherpolyols in the presence of a multimetal cyanide complex catalyst Polyetherpolyols are prepared by reacting diols or polyols with ethylene oxide, propylene oxide, butylene oxide or a mixture thereof in the presence of a multimetal cyanide complex catalyst by a process which is carried out in a vertical, highly cylindrical reactor ... | 04/04/2006 |
| 7015364 | Process for preparing polyether polyols A process for preparing polyether polyols includes a precipitation step, a recrystallization step, and a reaction step. In the precipitation step, a multimetal cyanide compound is precipitated by reaction of a metal salt with a cyanometalate compound. In the recryst... | 03/21/2006 |
| 7008900 | Double metal cyanide catalysts for producing polyether polyols The invention provides new double metal cyanide (DMC) catalysts for preparing polyetherpolyols by the polyaddition of alkylene oxides to starter compounds which contain active hydrogen atoms, wherein the catalyst comprises a) double metal cyanide compounds, b) bile ... | 03/07/2006 |
| 6977236 | Preparation of a double metal cyanide catalyst The present invention relates to a process for the preparation of a double metal cyanide (DMC) catalyst, which process involves: (a) combining an aqueous solution of metal salt with an aqueous solution of a metal cyanide salt and r... | 12/20/2005 |
| 6936576 | Refrigerating machine oil, and fluid composition for refrigerating machine A refrigerating machine oil for a carbon dioxide refrigerant according to the invention is a refrigerating machine oil comprising polyalkylene glycol represented by the following general formula (1): R1{—(OR2)n—OH}... | 08/30/2005 |
| 6919293 | Double metal cyanide catalysts for producing polyether polyols This invention relates to novel double metal cyanide (DMC) catalysts for the production of polyether polyols by polyaddition of alkylene oxides onto starter compound comprising active hydrogen atoms, wherein the catalyst contains a) double metal cyanide compounds, b... | 07/19/2005 |
| 6919305 | Solid detergent compositions and methods of preparing the same Solid laundry detergents, dishwashing detergents and cleaners which are obtained by mixing gemini surfactants of the formula (I), R1CH(OH)CHR3(OCH2CH2)nOCHR4CH(OH)R2 (I) ... | 07/19/2005 |
| 6906230 | Method for producing alcohol surfactants and alcohol ether surfactants, the products obtained and their use The invention describes a process for the preparation of surfactant alcohols and surfactant alcohol ethers which are, inter alia, highly suitable as surfactants or for the preparation of surfactants. The process, starting from olefin mixtures having a defined minimu... | 06/14/2005 |
| 6906110 | Method for the production of polyurethanes In a process for producing polyurethanes by reacting at least one polyisocyanate with at least one compound containing at least two hydrogen atoms which are reactive toward isocyanate groups, the compound having at least two active hydrogen atoms which is used is at... | 06/14/2005 |
| 6878661 | Bimetallic-cyanide catalysts used for preparing polyether polyols The invention relates to novel double metal cyanide (DMC) catalysts for the preparation of polyether polyols by polyaddition of alkylene oxides to starter compounds containing active hydrogen atoms, wherein the catalyst contains a) double metal cyanide compounds, b)... | 04/12/2005 |
| 6864327 | Heterobifunctional poly(ethylene glycol) derivatives and methods for their preparation This invention provides a method for preparing, in high purity and high yield, heterobifunctional derivatives of poly(ethylene glycol) or related polymers. A chromatographic purification step is not necessary in the method. In accordance with the method of the inven... | 03/08/2005 |
| 6864395 | Acetylenic diol ethylene oxide/propylene oxide adducts and processes for their manufacture This invention provides water-based compositions, particularly coating, ink, fountain solution and agricultural compositions, manifesting reduced equilibrium and dynamic surface tension by the incorporation of a surface tension reducing amount of an acetylenic diol ... | 03/08/2005 |
| 6858736 | Hexa-arm polyethylene glycol and its derivatives and the methods of preparation thereof The present invention relates to novel hexa-arm polyethylene glycol (6-arm PEG) and its derivatives. The core of 6-arm PEG derivatives is sorbitol and the end groups can be derivatized into many different reactive functionalities that are useful in conjugating with ... | 02/22/2005 |
| 6858580 | Mixtures of drug-oligomer conjugates comprising polyalkylene glycol, uses thereof, and methods of making same A non-polydispersed mixture of conjugates in which each conjugate in the mixture comprises a drug coupled to an oligomer that includes a polyalkylene glycol moiety is disclosed. The mixture may exhibit higher in vivo activity than a polydispersed mixture of similar ... | 02/22/2005 |
| 6835802 | Methods of synthesizing substantially monodispersed mixtures of polymers having polyethylene glycol moieties Methods of synthesizing a substantially monodispersed mixture of polymers comprising polyethylene glycol moieties include: reacting a substantially monodispersed mixture of compounds having the structure of Formula I: R | 12/28/2004 |
| 6818587 | Double-metal cyanide catalysts for preparing polyether polyols The invention relates to double-metal cyanide (DMC) catalysts for preparing polyether polyols by the polyaddition of alkylene oxides on to starter compounds containing active hydrogen atoms, wherein the DMC catalysts are composed of: a) at least one DMC compound; b)... | 11/16/2004 |
| 6815530 | Substantiallymonodispersed mixtures of polymers having polyethylene glycol moieties Methods of synthesizing a substantially monodispersed mixture of polymers comprising polyethylene glycol moieties include: reacting a substantially monodispersed mixture of compounds having the structure of Formula I: R | 11/09/2004 |
| 6812367 | Polyethylene glycol and process for producing the same Polyethylene glycol for use in fields with application to a living body wherein the sum of the contents of ethylene glycol and diethylene glycol in the polyethylene glycol is less than or equal to that expressed in the following formula [I]: ... | 11/02/2004 |
| 6805141 | Mixtures of gemini surfactants and fatty alcohol alkoxylates in rinse agents A rinse agent composition containing: (a) a gemini surfactant corresponding to formula I: R—CHOH—CH2—[OCH2CH2]x—O—CH2—CHOH—R (I) wherein R is a linear or branched alkyl and... | 10/19/2004 |
| 6806393 | Multimetal cyanide compounds, their preparation and their use In multimetal cyanide complexes, more than 30% by weight of the primary particles have a platelet-like habit, i.e. the length and width of the primary particles is at least three times the thickness of the particles. ... | 10/19/2004 |
| 6797687 | Gemini surfactant compositions Mixtures comprising: (a) a gemini surfactant of the formula (I) R1—CHOH—CH2—[OCH2CH2]x—O—CH2—CHOH—R (I) wherein each of R and R1 is a linear or branc... | 09/28/2004 |
| 6794345 | Gemini surfactants The invention relates to gemini surfactants, optionally in combination with ingredients customary in dishwashing detergents and cleaners, optionally with further nonionic surfactants and anionic surfactants, and to the use of such gemini surfactants for improving th... | 09/21/2004 |
| 6780813 | Process for producing DMC catalysts The invention relates to an improved method of producing double-metal cyanide (DMC) catalysts for the production of polyether polyols by polyaddition of alkylene oxides to starter compounds containing active hydrogen atoms, in which the DMC catalyst dispersion is pr... | 08/24/2004 |
| 6777384 | Gemini surfactants The invention relates to gemini surfactants, optionally in combination with ingredients customary in laundry detergents, dishwashing detergents and cleaners, optionally with further nonionic surfactants and anionic surfactants, and to the use of such gemini surfacta... | 08/17/2004 |
| 6776925 | Process for the preparation of polyether polyols The present invention relates to a process for the production of polyether polyols by polyaddition of alkylene oxides onto starter compounds containing active hydrogen atoms conducted in the presence of a double-metal cyanide catalyst wherein a reaction mixture is g... | 08/17/2004 |
| 6747164 | Use of amine compounds with improved biodegradability as adjuvants for pesticides and fertilizers The present invention relates to the use of an amino compound, which is an esteramine or an amidoamine surfactant with improved biodegradability, as an adjuvant for agrochemically active compounds such as pesticides or fertilizers. The adjuvant has Formula (I) where... | 06/08/2004 |
