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| Number | Title | Issue Date |
| 8350092 | Process of racemisation of optically active alpha aminoacetals The invention relates to a process for preparing α-aminoacetals substantially in racemic form, comprising a step of oxidizing optically enriched α-aminoacetals to the corresponding oximes, in the presence of a catalyst, and a step of reducing the oximes thus obtai... | 01/08/2013 |
| 7321052 | Process for production of a composition useful as a fuel A process for the preparation of a fuel oil (diesel fuel or heating oil) composition which is a mixture of an alkanol tranesterified fatty acid ester triglyceride and an acetal of glycerol is described. The process preferably provides a prestep of the formation of a... | 01/22/2008 |
| 7208637 | Glycidyl dinitropropyl formal, poly(glycidyl dinitropropyl formal) and preparation method thereof Disclosed are novel compounds that can be used as an energetic binder used for improving the performance and the properties of a high explosive, and a preparation method thereof. More specifically, provided are glycidyl dinitropropyl formal of chemical formula IV ha... | 04/24/2007 |
| 6770782 | Process for the production of potassium hydroxy citric acid, and compositions containing the potassium hydroxy citric acid The present invention provides a new process for the isolation of hydroxy citric acid in the form of a potassium salt from Garcinia fruit. The present invention also provides compositions containing the potassium hydroxy citrate for use as appetite suppressants.... | 08/03/2004 |
| 6160172 | Soluble double metal salt of group IA and IIA of (-) hydroxycitric acid, process of preparing the same and its use in beverages and other food products without effecting their flavor and properties The present invention is directed to a new soluble double metal salt of group IA and IIA of (-) hydroxycitric acid of general formula I: where X is IA group metal: Li or Na or K or Rb or Cs or Fr where Y is IIA group metal: Be or Mg or Ca or Sr or Ba or Ra where th... | 12/12/2000 |
| 5783732 | 2:2 mixed Fluoro-, and fluoronitroalkyl orthocarbonates 2:2 mixed orthocarbonates of the formula ##STR1## wherein R.noteq.R' and wherein R and R' are --C(NO2)3, --CF(NOb.2)2, --CF2 (NO2), --C(NO2)2 CH3, --CH(NO2 | 07/21/1998 |
| 5648556 | Synthesis of bis(2,2-dinitropropyl)acetal (BDNPA) A nonsolvent process of synthesizing bis(2,2-dinitropropyl)acetal (BDNPA) is disclosed. In the process, 2,2-dinitropropanol (DNPOH) is reacted at low temperature with an acetaldehyde source in the presence of an acid catalyst, such as a Lewis acid catalys... | 07/15/1997 |
| 5449835 | Synthesis of bis(2,2-dinitropropyl) formal (BDNPF) A nonsolvent process of synthesizing bis(2,2-dinitropropyl)formal (BDNPF) is disclosed. In the process, 2,2-dinitropropanol (DNPOH) is reacted at low temperature with a formaldehyde source in the presence of a protic acid catalyst, such as H2 S... | 09/12/1995 |
| 5426247 | Process for the preparation of vitamin A and intermediate compounds which are useful for this process A process for the preparation of vitamin A which preferably comprises bringing cyclogeranyl sulphone into contact with a C10 aldehyde acetal, halogenating the derivative obtained and then removing the halogen group and the sulphone, removing th... | 06/20/1995 |
| 5290912 | Process for producing a polyoxyalkylene compound The present invention has an object of producing a polyoxyalkylene compound by ring-opening polymerization of an alkylene oxide to a certain specific highly hydrophobic initiator. The present invention provides a process for producing a polyoxyalkylene co... | 03/01/1994 |
| 5233078 | Preparation of dialkyl malonates The invention relates to a process for preparing dialkyl malonates by ozonolysis of diketene, subsequent catalytic hydrogenation and esterification of the reaction products, the by-products being alkyl formates and dialkyl acetals.... | 08/03/1993 |
| 5216051 | Polyolefins containing polyol nucleating agents and articles formed therefrom The invention relates to novel tri-acetal polyol compounds and to a crystalline polyolefin composition having dispersed therein a nucleating agent composed of one or more of said polyol acetals.... | 06/01/1993 |
| 5196599 | Method of preparing fluoro, nitro, and fluoronitroalkyl difluoroformals A method of preparing difluoroformals of the formula (RCH2 O)2 CF2, wherein R is --C(NO2)3, --CF(NO2)2, --CF2 (NO.su), --C(NO2)2 CH3, or a fluo... | 03/23/1993 |
| 5155281 | Preparing dichloroformals A method of preparing dichloroformals of the formula (RCH2 O)2 CCl2 by reaction of one mole of a thionocarbonate of the formula (RCH2 O)2 C.dbd.S with two moles of benzenesulfenyl chloride, chlorobenzenesulfenyl chl... | 10/13/1992 |
| 5145972 | Process for preparing halo acetals from enamines The present invention relates to a process for preparing halo acetals of ethylenic aldehydes by reaction of a halogen cation with enamine followed by a hydrolysis and reaction with an alcohol, a glycol or an orthoformate. These halo acetals are used as in... | 09/08/1992 |
| 5103053 | Process for treating tert-amines A tert-amine which contains an acid-activated color body precursor is treated to prevent it or a derivative thereof, e.g., an amine oxide, betaine, or quaternary ammonium compound, from turning pink when exposed to acidic conditions by contacting it with ... | 04/07/1992 |
| 4997499 | Bis (dinitropropyl) formal/dinitrobutyl dinitropropyl formal plasticizer A new compound 2,2-dinitrobutyl 2,2-dinitropropyl formal (DNBPF), CH3 C(NO2)2 CH2 CH2 OCH2 OCH2 C(NOsub.2 CH3, and a energetic plasticizer which is a 1:1 eutectic mi... | 03/05/1991 |
| 4804786 | Preparation of 4-monoacetals of 2-methylbut-2-ene-1,4-dial 4-Monoacetals of (E)-2-methylbut-2-ene-1,4-dial of the general formula I ##STR1## where R1 and R2 are each an aliphatic hydrocarbon radical of 1 to 12 carbon atoms, cycloalkyl of 5 to 7 carbon atoms or benzyl, or R1 a... | 02/14/1989 |
| 4756777 | Bis(2,2,2-fluorodinitroethoxy)-(1,1,1-fluorodinitro-2-propoxy)methane Bis(2-fluoro-2,2-dinitroethoxy)(1-fluoro-1,1-dinitro-2-propoxy)methane wh is useful as an energetic coplasticizer with bis(2-fluoro-2,2-dinitroethyl)formal in plastic-bonded explosives.... | 07/12/1988 |
| 4705899 | 1:3 "mixed" polynitroethyl orthocarbonates from tris(2-fluoro-2,2-dinitroethoxy)methyl trichloromethyl disulfide 1:3 "mixed" orthocarbonates of the formula wherein R is --CH2 C(NO2)3, --CH2 C(NO2)2 CH3, --CH2 CH2 NO2, --CH2 C(NO2)2 CH2... | 11/10/1987 |
| 4703116 | Polysaccharide derivatives containing aldehyde groups, their preparation from the corresponding acetals and use as paper additives Polysaccharide aldehydes having the formula Sacch--O--CH2 --CH.dbd.CH--CHO, ##STR1## such as starch, cellulose, and gum aldehydes, are useful for imparting wet, dry, or temporary wet strength to paper. They are prepared by a non-oxida... | 10/27/1987 |
| 4499309 | Derivatives of energetic orthoformates Energetic orthoformates of the formula ##STR1## wherein R and R' vary independently and R is --CH2 C(NO2)2 H3, --CH2 C(NO2)3, --CH2 CF(NO2)2, --CH... | 02/12/1985 |
| 4453021 | Dinitropropyl fluorodinitroethyl formal plasticizer and method of preparation 2,2-dinitropropyl 2-fluoro-2,2-dinitroethyl formal which is prepared by the ollowing processes: ##STR1##... | 06/05/1984 |
| 4449000 | 1:1:2 And 1:3 mixed polynitroethyl orthocarbonates via mixed trialkoxymethyl trichloromethyl disulfides A 1:1:2 mixed orthocarbonate of the formula ##STR1## wherein R and R" are each one of the following groups --CH2 C(NO2)2 CH3, --CH2 C(NO2)3, --CH2 CF(NO2)2 | 05/15/1984 |
| 4426540 | Synthesis of vinyl ethers Vinyl ethers are prepared by reacting divinyl ether with a primary alcohol in the presence of a catalytic amount of red mercuric oxide and trifluoroacetic acid. The vinyl ethers so produced are particularly useful as monomers which can be polymerized into... | 01/17/1984 |
| 4424398 | Process for preparation of energetic plasticizers A process for synthesizing energetic ethers, esters and acetals is disclosed that comprises reacting certain alcohols with certain alkenes or alkynes in the presence of mercuric or mercurous sulfate. The products obtained are particularly useful as plasti... | 01/03/1984 |
| 4374241 | Nitropolyformals Nitropolyformals of the formula H--OCH2 C(NO2)2 ZC(NOsub.2 CH2 OCH2 --OCH2 C(NO2)2 ZC(NO2)2 CH2 OH wherein Z is --CH2 | 02/15/1983 |
| 4120710 | Nitroaliphatic difluoroformals Nitroaliphatic difluoroformals of the formula RCH2 OCF2 OCH2 R' wherein R = FC(NO2)2 -- and R' = F2 C(NO2)-- or CF3 --; or R = R' = CF3 OCH2 C(NO... | 10/17/1978 |
| 4062897 | Acetals derived from negatively substituted aldehydes and polynitro- or halonitroethanols Acetals of the formulas CHCl2 CH(OR)2, CCl3 CH(OR)2, 2 CH(OR)2, CF3 CH(OR)2, RO2 CCH(OR)2, and (RO)2 HCCH(OR)2 wherein R can be... | 12/13/1977 |
| 4048219 | Acetals derived from negatively substituted aldehydes and polynitro- or halonitroethanols Acetals of the formulas CHCl2 CH(OR)2, CCl3 CH(OR)2, 2 CH(OR)2, CF3 CH(OR)2, RO2 CCH(OR)2, and (RO)2 HCCH(OR)2 wherein R can be... | 09/13/1977 |
| 4036843 | Certain chloroamino esters of pyridine carboxylates and derivatives thereof There is provided, a novel class of compounds exhibiting antibacterial activity and having the formula: ##STR1## wherein X and Y each represent a member which may be the same or different selected from the group consisting of H and Cl with the provis... | 07/19/1977 |
| 3962349 | 2,2,2-Fluorodinitroethyl 2-nitroalkyl acetals and methods of preparation Unsymmetrical nitro and fluoronitro acetals of the formulas wherein R.noteq.R', but wherein both R and R' are selected from the group nsisting of -CH2 CXY(NO2), - CH2 C(NO2)2 CH3, -ch2 cuv... | 06/08/1976 |
| 3946085 | Acetals derived from negatively substituted aldehydes and polynitro- or halonitroethanols Acetals of the formulas CHCl2 CH(OR)2, CCl3 CH(OR)2, 2 CH(OR)2, CF3 CH(OR)2, RO2 CCH(OR)2, and (RO)2 HCCH(OR)2 wherein R can be... | 03/23/1976 |
