Class 585/538 - From organic nontriple-bond feed

Subclass of Class 585 - Chemistry of hydrocarbon compounds
Definition: Subject matter wherein the carbon content of the product
No. of patents: 38
Last issue date: 04/22/2008

Number	Title	Issue Date
7362368	Perfecting the optics within a digital image acquisition device using face detection Within a digital acquisition device, acquisition parameters of a digital image are perfected as part of an image capture process using face detection within said captured image to achieve one or more desired image acquisition parameters. Default values are determine...	04/22/2008
7317815	Digital image processing composition using face detection information A method of automatic or assisted recomposing of digital image processing uses face detection. Pixels that correspond to a face within a digital image are identified. A re-compositioned image is based on spatial or other parameters of the detected image, particularl...	01/08/2008
7315630	Perfecting of digital image rendering parameters within rendering devices using face detection Within a digital rendering device, such as printers, hard copy and soft copy display, and copiers, rendering parameters of a digital image are perfected as part of an image rendering process using face detection within said rendered image to achieve one or more desi...	01/01/2008
7269292	Digital image adjustable compression and resolution using face detection information A method of adjustable spatial and/or temporal compression of an image including a face includes identifying a group of pixels that correspond to a face within a digitally-acquired image. A first compression portion of the image including the group of pixels is dete...	09/11/2007
6849664	Process for disposing biocide-containing cooling water The present invention relates to the use of deactivatable biocides in cooling water systems of industrial processes that require dissipation of heat. The present invention relates to methods of inhibiting growth and reproduction of microorganisms in the cooling wate...	02/01/2005
6552239	Synthesis of cyclopropaneacetylene by a one-pot process The present invention relates to a process for the preparation of cyclopropaneacetylene by reacting a ketophosphonate with a diazo-transfer reagent in the presence of non-nucleophilic base in an aprotic solvent to generate a reaction mixture containing a ...	04/22/2003
6392110	Ordered polyacetylenes and process for the preparation thereof Polyacetylene compounds and process for the preparation thereof from a chiral dihydroxy amide are described. The compounds preferably have diacyl groups attached to the amide. The compounds are useful for making films which are electrically conductive, ne...	05/21/2002
6365792	Preparation of acetylene and synthesis gas The invention relates to a process for the preparation of acetylene and synthesis gas by thermal treatment of a starting mixture containing one or more hydrocarbons and in addition molecular oxygen and/or one or more compounds containing the element oxyge...	04/02/2002
6359164	Process for the preparation of cyclopropylacetylene The present invention relates generally to novel methods for the preparation of cyclopropylacetylene which is an essential reagent in the asymmetric synthesis of (S)-6-chloro-4-cyclopropylethynyl-4-trifluoromethyl-1,4-dihydro-2H-3,1-ben zoxazin-2-one;...	03/19/2002
6297410	Process for the preparation of cyclopropylacetylene The present invention relates generally to novel methods for the synthesis of cyclopropylacetylene which is an essential reagent in the asymmetric synthesis of (S)-6-chloro-4-cyclopropylethynyl-4-trifluoromethyl-1,4-dihydro-2H-3,1-ben zoxazin-2-one; a...	10/02/2001
6288297	Process for the preparation of cyclopropylacetylene The present invention relates generally to novel methods for the synthesis of cyclopropylacetylene which is an essential reagent in the asymmetric synthesis of (S)-6-chloro-4-cyclopropylethynyl-4-trifluoromethyl-1,4-dihydro-2H-3,1-ben zoxazin-2-one; a...	09/11/2001
6235957	Process for the preparation of cyclopropylacetylene The present invention relates generally to novel methods for the synthesis of cyclopropylacetylene which is an essential reagent in the asymmetric synthesis of (S)-6-chloro-4-cyclopropylethynyl-4-trifluoromethyl-1,4-dihydro-2H-3,1-ben zoxazin-2-one; a...	05/22/2001
6207864	Process for preparing cyclopropylacetylene The invention relates to a process for the halogenation of cyclopropylmethyl ketone with at least one dihalo-triorganophosphorane of the general formula I R3 PHal2 (I), in which the radicals R can be the same or different and denote a s...	03/27/2001
6072094	Efficient synthesis of cyclopropylacetylene An efficient and facile process for the preparation of cyclopropylacetylene from thioanisole and cyclopropyl substituted ketones or aldehydes is disclosed....	06/06/2000
6049019	Process for the preparation of cyclopropylacetylene The present invention relates generally to novel methods for the synthesis of cyclopropylacetylene which is an essential reagent in the asymmetric synthesis of (S)-6-chloro-4-cyclopropylethynyl-4-trifluoromethyl-1,4-dihydro-2H-3,1-ben zoxazin-2-one; a...	04/11/2000
6042799	Coproduction of acetylene and hydrocyanic acid from acrylonitrile In the process for preparing acetylene and hydrocyanic acid by pyrolyzing acrylonitrile in a reactor, the gaseous reaction products of the pyrolysis are quenched down to less than 100° C. immediately, advantageously within seconds, preferably within ࣘ1...	03/28/2000
5990368	Isomerization of allenes to alkynes with an alkaline-earth metal hydride containing catalyst Providing an isomerization process which can isomerize allenes to alkynes less expensively and stably is an assignment to be solved by the present invention and given thereto. The present invention is an isomerization process including the step of reactin...	11/23/1999
5942652	Ethane pyrolysis The invention relates to the process for preparing ethyne by the pyrolysis of ethane by heating the same for a period of time that is less than 0.5 sec in a pyrolysis reactor at a temperature in the range of 950 to 1500° C., using steam as diluent gas in...	08/24/1999
5824834	Process for the production of acetylene and synthesis gas The invention relates to a process for the production of acetylene and synthesis gas by partial oxidation of hydrocarbons with oxygen, wherein the gaseous reactants are separately preheated, intimately mixed in a mixing zone, reacted after passing a burne...	10/20/1998
5789644	Preparation of acetylene and synthesis gas In the preparation of acetylene and synthesis gas by partial oxidation of hydrocarbons with oxygen, the feedstock gases are first separately preheated, then intensively mixed in a mixing zone, reacted after flowing through a burner block and then rapidly ...	08/04/1998
5749937	Fast quench reactor and method A fast quench reaction includes a reactor chamber having a high temperature heating means such as a plasma torch at its inlet and a restrictive convergent-divergent nozzle at its outlet end. Reactants are injected into the reactor chamber. The resulting h...	05/12/1998
5728917	Polymer depolymerization using ruthenium and osmium carbene complexes Disclosed are ruthenium and osmium carbene compounds which are stable in the presence of a variety of functional groups and which can be used to catalyze olefin metathesis reactions on unstrained cyclic and acyclic olefins. Specifically, the present inven...	03/17/1998
5062998	Preparation of metallated and substituted alkynes A process is provided for making metallated and substituted alkynes from feedstocks which include alkadienes containing allenic unsaturation or such alkadienes in a mixture with alkynes having either internal or terminal unsaturation, such as a mixture of...	11/05/1991
5019175	Method for the destruction of halogenated organic compounds in a contaminated medium A method for the destruction of halogenated organic compounds contained in a contaminated medium comprises adding an aqueous solution of polyethylene glycol to the contaminated medium in an amount to provide from about 0.1 to about 20 weight percent of po...	05/28/1991
4908162	Method of making triple bonded unsaturated fatty acids A method is provided for preparing unsaturated fatty acids having triple bonds by reducing the double bonds of unsaturated fatty acids. The unsaturated, double-bonded fatty acid is reacted with a halogen gas to form a halogenated fatty acid, and this brom...	03/13/1990
4822940	Process for converting light hydrocarbons and/or natural gas to liquid hydrocarbons The present invention provides for a process for converting a feedstock comprising ethylene and/or acetylene to a product comprising liquid hydrocarbons. The process comprises maintaining said feedstock at a temperature in the range of about 700° C. to a...	04/18/1989
4814025	Method of improving properties of superplastically formed alloys by healing cavities A method for improving mechanical properties of superplastically formed alloy by healing the cavities formed as result of a superplastic forming process is disclosed. The alloy, such as an aluminum alloy, is superplastically formed and is then placed in a...	03/21/1989
4788379	Production of acetylene The process relates to the recovering of essentially pure acetylene from the gaseous out-put stream from a coal to acetylene conversion process. A plasma arc generator or other high energy type reactor can be used for the conversion to coal. The gaseous o...	11/29/1988
4675464	Chemical destruction of halogenated aliphatic hydrocarbons Method for the total dehydrohalogenation of halogenated compounds. The method includes providing a reaction mixture by dissolving an alkali metal hydroxide in a molar excess of an ethylene glycol to form an alkali metal glycolate and reacting the halogena...	06/23/1987
4487683	Acetylene from coal and an electric arc A process for producing hydrocarbons suitable for use as a chemical feedstock uses coal (10) and methane-rich gas (56) as raw materials. The coal and gas are heated over 6000° F. (3316° C.) in an electric-arc (14) forming an atomic plasma (16). The plas...	12/11/1984
4367363	Production of acetylene The process relates to the recovering of essentially pure acetylene from the gaseous out-put stream from a coal to acetylene conversion process. A plasma arc generator or other high energy type reactor can be used for the conversion to coal. The gaseous o...	01/04/1983
4358629	Method of producing acetylene from coal This invention relates to the conversion by way of decomposing a solid carbonaceous matter to acetylene. Specifically, the invention teaches selecting the operating conditions which will produce high yield at low cost. Specific values of heat and enthalpy...	11/09/1982
4115466	Synthesis of acetylenic compounds useful in preparing dehydrophytols and Vitamin E A process for the synthesis of an acetylenic hydrocarbon from an acetylenic carbinol which involves first replacing the hydroxyl group of the carbinol with a halogen to form a propargylic halide, dehalogenating the propargylic halide to form an allene, an...	09/19/1978
4036904	Isomerization of allenes in a hydrocarbon stream using magnesium oxide catalyst The allenic impurities in a C-4 stream comprising 1,3-butadiene and at least one allenic impurity are reduced to nondetectable levels by contacting the stream with a magnesium oxide catalyst....	07/19/1977
4026953	Solvents for NMR spectroscopy Organic solvents containing less than 0.2 atom percent of 13 C and which preferably are at least partially deuterated are produced from 13 C-depleted gaseous carbon compounds and are advantageously employed as solvents for 13	05/31/1977
4016214	Preparation of ethynylbenzenes Process for preparing ethynylbenzene compounds by the dehalogenation of ଲ,ଲ,଱-trichlorophenylethane compounds is described....	04/05/1977
4009219	Total synthesis of benzene from non-hydrocarbon materials A method of producing benzene on a high yield basis is disclosed in which non-hdyrocarbon carbonaceous raw materials are reacted with an alkali metal or an alkaline earth metal in the form of molten metal, metallic hydroxide or metallic oxide to produce t...	02/22/1977
3943185	Diolefin production and purification A process for producing a stream of oxidatively dehydrogenated C4 hydrocarbons with substantially all of the oxygen and inert noncondensable gases removed comprising absorbing the C4 hydrocarbons in an absorber oil in a first zone; s...	03/09/1976

PatentStorm

Bizarre Patents

PatentStorm News

Class 585/538 - From organic nontriple-bond feed