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| Number | Title | Issue Date |
| 7915431 | Process for production of flake-like dried 2-(5-ethyl-5-hydroxymethyl-1,3-dioxan-2-yl)-2-methylpropan-1-ol A method for producing flake-like dried DOG by making DOG containing from 10 to 50% by mass of a liquid go through a continuous melt-drying step of a specified condition and then making it go through, as a next step, a vacuum-drying step of a specified condition or ... | 03/29/2011 |
| 7456300 | Process of producing dioxane glycol A process of producing 2-(5-ethyl-5-hydroxymethyl-1,3-dioxane-2-yl)-2-methylpropane-1-ol (DOG) by the acetalization of hydroxypivalaldehyde with trimethylolpropane in water in the presence of an acid catalyst and optional seed crystals. DOG crystals having an increa... | 11/25/2008 |
| 7402685 | Process of producing dioxane glycol A production method of 2-(5-ethyl-5-hydroxymethyl-1,3-dioxane-2-yl)-2-methylpropane-1-ol (DOG) which includes a step of acetalizing hydroxypivalaldehyde with trimethylolpropane in a solvent in the presence of an acid catalyst. After the acetalization, the reaction p... | 07/22/2008 |
| 7230144 | Methods of making intermediates from polyhydroxyalkanoates Methods of forming intermediates from PHAs are disclosed. ... | 06/12/2007 |
| 7166743 | Methods of making intermediates from polyhydroxyalkanoates Methods of forming acrylic acid by heating a PHA are disclosed. The PHA can be derived from a biomass of a non-fossil source. The PHA can be, for example, poly 3-hydroxypropionate or a 3-hydroxypropionate containing polymer. The methods can include, for example, hea... | 01/23/2007 |
| 7157255 | Process for the preparation of dihydroxy esters and derivatives thereof A process is provided for the preparation of a compound of formula (1) wherein R and R′ represent optionally substituted hydrocarbyl groups and X represents a hydrocarbyl linking group. The process comprises ei... | 01/02/2007 |
| 7109381 | Aldehydes containing a difluorooxymethylene bridge Aldehydes containing a difluorooxymethylene bridge, of the general formula I OHC-(A11)m-Z11-(A12-Z12)n-(A13-Z13)p-A14I and the use and p... | 09/19/2006 |
| 7097887 | Liquid crystal compounds The use of a compound of formula (I) wherein R1 is an alkyl or alkenyl group, either of which may be optionally interposed with one or more oxygen or sulphur atoms, R2 is an alkyl or alkenyl... | 08/29/2006 |
| 7025901 | Alkyl and aryl trifluoromethoxytetrafluorosulfuranes Novel compositions containing SF4—O—CF3 bonded to an organic group are disclosed. Aryl trifluoromethoxytetrafluorosulfuranes (or Ar—SF4—O—CF3), have been synthesized via the reaction of an aryl disulfide or thiol... | 04/11/2006 |
| 6984604 | Supported bis(phosphorus) ligands and their use in the catalysis Supported bis(phosphorus) ligands are disclosed for use in a variety of catalytic processes, including the isomerization, hydrogenation, hydroformylation, and hydrocyanation of unsaturated organic compounds. Catalysts are formed when the ligands are combined with a ... | 01/10/2006 |
| 6974875 | Process for preparing intermediates for the manufacture of discodermolide and discodermolide analogues The invention relates to a process for the preparation of a substituted alkene of formula (I) wherein R1, R2 and R3 are independently of each other a protecting group for a hydroxy group or hydrogen and R4 is phenyl which ... | 12/13/2005 |
| 6964863 | Process for the preparation of 2,4-dideoxyhexoses and 2,4,6-trideoxyhexoses The invention relates to a process for the preparation of a 2,4-dideoxyhexose or a 2,4,6-trideoxyhexose from a substituted or unsubstituted carbonyl compound with at least 2 carbon atoms and at least one α-hydrogen atom and a substituted or unsubstituted aldehyde i... | 11/15/2005 |
| 6960344 | Use of imine-forming polysaccharides as adjuvants and immunostimulants The present invention relates to polysaccharide conjugates that comprise: a polysaccharide that binds to surface-receptors present on Antigen Presenting Cells, conjugated to one or more compounds having stable carbonyl groups covalently attached, either directly or ... | 11/01/2005 |
| 6933404 | Methods of making intermediates from polyhydroxyalkanoates In some embodiments, this invention relates to a method that includes contacting a PHA with an aprotic catalyst to form an ester. The ester has only one monomer unit from the PHA. In certain embodiments, this invention relates to a method that includes treating a PH... | 08/23/2005 |
| 6870059 | Process for the preparation of 2-(6-substituted-1,-3-dioxane-4-yl)acetic acid derivatives The invention relates to the preparation of 2-(6-substituted-1,3-dioxane-4-yl)acetic acid derivatives of formula (1), where X stands for a leaving group, and R1, R2, and R3 each independently stand for an alkyl group with 1-3 carbon ... | 03/22/2005 |
| 6827876 | Difluoromethyl ether derivative and process for producing the same A liquid crystalline compound represented by Formula (1c′): wherein R1 and R2, rings A1, A2, A3, A4 and A5, Z1, Z2 | 12/07/2004 |
| 6812352 | Multidentate phosphite ligands, catalytic compositions containing such ligands, and catalytic processes utilizing such catalytic compositions Multidentate phosphite ligands are disclosed for use in reactions such as hydrocyanation and isomerization. The catalyst compositions made therefrom and the various catalytic processes which employ such multidentate phosphite ligands are also disclosed. In particula... | 11/02/2004 |
| 6716491 | Liquid-crystalline medium A liquid-crystalline medium based on a mixture of polar compounds of positive dielectric anisotropy, which comprises one or more compounds of the formula I where R1, A1, A2, Z1... | 04/06/2004 |
| 6632484 | Dialkyne compounds Described are dialkyne compounds of the formula I ##STR1## in which n, m, R1, R2, X1, X2, X3, X4, Z1, Z2, A1, A2, Q, Y1 and Y2 a... | 10/14/2003 |
| 6610892 | Process for preparing 2,7-dimethyl-2,4,6-octatrienal monoacetals The invention relates to a process for preparing 2,7-dimethyl-2,4,6-octatrienal monoacetals of the general formula I ##STR1## which comprises a) condensing an ester phosphonium salt of the general formula II or an ester phosphonate of the general form... | 08/26/2003 |
| 6548681 | Process for the recovery of a polyol from an aqueous solution A process for the separation of a polyol or multiple polyols in admixture with other organic compounds, usually those produced with the polyol, is described. The process uses a distillation in a column (11) of a cyclic acetal from an aqueous solution whic... | 04/15/2003 |
| 6528538 | Cyclic compounds useful in the treatment of dyslipidaemia, atherosclerosis and diabetes, pharamaceutical compositions and preparation process The present invention relates to cyclic compounds which are of the class of compounds of formula I wherein X and Y represent an oxygen atom and to processes for preparing such compounds. The compounds are useful in the treatment of dyslipidemia, atheroscl... | 03/04/2003 |
| 6515149 | Acetal compound, polymer, resist composition and patterning response Acetal compounds in which a 5- or 6-membered ring acetal structure is connected to a norbornene structure through a linker represented by --(CH2)m -- in which one hydrogen atom may be substituted with a hydroxyl or acetoxy group, and... | 02/04/2003 |
| 6472570 | Method for the asymmetric dihydroxylation of olefins, using osmium catalysts This invention relates to process for asymmetric dihydroxylation of olefins using osmium catalysts to obtain monofunctional, bifunctional, and/or polyfunctional chiral 1,2-diols of the formula (I) R1 R2 C(OH)--C(OH)R3 R4 | 10/29/2002 |
| 6433124 | Reactive polymers and isocyanate-reactive polymers obtainable therefrom In a compound of the formula I ##STR1## (reactive polymer), L is a, polymer, XY is a reactive radical which is inert toward NCO groups and splits off one or more protective groups Y under acidic, neutral or basic conditions and the radical X bears, after ... | 08/13/2002 |
| 6365755 | Ammonium 3,5,6-trihydroxyhexanoate derivatives and preparation process thereof Provided are a novel ammonium (3R,5S)-3,5,6-trihydroxyhexanoate derivative represented by the following formula (I): ##STR1## wherein R1 represents a benzyl group which may have a substituent, a triphenylmethyl group which may have a substituen... | 04/02/2002 |
| 6316679 | Treatment of a composition comprising a trimethylolalkane bis-monolinear formal A process for treating a composition containing a substantial proportion of trimethyflolpropane bis-monolinear formal (TMP-BMLF) or trimethylolethane bis-monolinear formal (TME-BMLF), e.g., a heavy ends residue obtained from the purification of a crude tr... | 11/13/2001 |
| 6303194 | Acetylene derivatives, and liquid-crystalline medium The invention relates to acetylene derivatives of the formula I ##STR1## in which n, m, R1, R2, X1, X2, X3, X4, Z1, Z2, A1, A2, Q, Y1 and Y... | 10/16/2001 |
| 6207835 | Process for the preparation of arylmetal compounds and their reaction with electrophilic reagents Arylmetal compounds are prepared by deprotonation of aromatics which have a hydrogen atom in the ortho position relative to a halogen atom or a trifluoromethoxy group, using a suitable base or by halogen-metal exchange of haloaromatics using a suitable me... | 03/27/2001 |
| 6177154 | Alkoxybenzene derivative, liquid-crystal composition, and liquid-crystal display element Disclosed are (a) liquid crystalline compounds which are essential as component of the liquid crystal compositions, are excellent in miscibility with other liquid crystal compositions, particularly in the miscibility at low temperatures, and expressed by ... | 01/23/2001 |
| 6124005 | Fluoro-substituted alkyl ether compounds, liquid crystal compositions and liquid crystal display devices Liquid crystalline compounds which have excellent compatibility with other liquid crystal materials, especially at low temperatures, high voltage holding ratio, low threshold voltage, their small temperature dependency, high Ɗn, and broad liquid phase te... | 09/26/2000 |
| 6121184 | Supported bis(phosphorus) ligands Supported bis(phosphorus) ligands are disclosed for use in a variety of catalytic processes, including the hydrocyanation of unsaturated organic compounds. Catalysts are formed when the ligands are combined with a catalytically active metal (e.g., nickel)... | 09/19/2000 |
| 6096905 | Treatment of a composition comprising a trimethylolalkane bis-monolinear formal A process for treating a composition containing a substantial proportion of trimethylolpropane bis-monolinear formal (TMP-BMLF) or trimethylolethane bis-monolinear formal (TME-BMLF), e.g., a heavy ends residue obtained from the purification of a crude tri... | 08/01/2000 |
| 6051288 | Fluorine-substituted liquid-crystal compound, liquid-crystal composition and liquid-crystal display device An object of the present invention is to provide a novel liquid crystalline compound having a large dielectric anisotropy, small change in threshold voltage depending on temperature, and an improved solubility to other liquid crystal materials at low temp... | 04/18/2000 |
| 6020503 | Process for producing 1,4-benzodioxane derivatives An industrial method for preparation of a 1,4-benzodioxane derivative (1), which comprises reacting a diol compound (2) with a carbonating agent to prepare a carbonate compound (3) and after removal of the protective group, cyclizing it by heating or by t... | 02/01/2000 |
| 5969154 | Liquid crystalline diketopyrrolopyrroles A liquid crystalline compound of formula ##STR1## wherein B and D are each independently of the other C6 -C24 alkyl, ##STR2## L is ##STR3## methyl or C10 -C18 alkyl, wherein R1 is ... | 10/19/1999 |
| 5932667 | Reactive adducts of vinyldioxo compounds Adducts of vinyldioxo compounds comprising a crosslinkable silyl-functional terminal group are disclosed. Such adducts are useful for preparing curable coating compositions.... | 08/03/1999 |
| 5917059 | Preparation of cyclic acetals or ketals Cyclic acetals or ketals are prepared by reacting a polyol with the appropriate aldehydes or ketones, with part of the aldehyde or ketone being distilled out during the reaction.... | 06/29/1999 |
| 5911912 | Halovinyl ethers Halovinyl ethers of the general formula I ##STR1## in which R, A1, A2, A3, Z1, Z2, X1, X2, l, m and n are as defined herein are suitable as components of liquid-crystalline ... | 06/15/1999 |
| 5877332 | Reactive adducts of vinyldioxo compounds New adducts are produced from the reaction of vinyl dioxo compounds with anhydrides, epoxyesters, lactones, and lactams, and such adducts are useful for preparing curable coating compositions.... | 03/02/1999 |
