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Class 585/801 - By conversion of solid to gas, e.g., sublimation, etc., or by melting or squeezing out liquid from solid natural source


Subclass of Class 585 - Chemistry of hydrocarbon compounds
Definition: Subject matter wherein hydrocarbon contained in a solid
No. of patents: 16
Last issue date: 05/29/2007


NumberTitleIssue Date
7224532Optical uses diamondoid-containing materials
Novel optical devices based on diamondoid-containing materials are disclosed. Materials that may be fabricated from diamondoids included diamondoid nucleated CVD films, diamondoid-containing CVD films, molecular crystals, and polymerized materials. Devices that may ...
05/29/2007
7034194Compositions comprising decamantanes and processes for their separation
Disclosed are compositions comprising one or more decamantanes. Specifically disclosed are compositions comprising 25 to 100 weight percent of one or more decamantanes. Also disclosed are novel processes for the separation and isolation of decamantane components int...
04/25/2006
6843851Compositions comprising pentamantanes and processes for their separation
Disclosed are compositions comprising one or more pentamantanes. Specifically disclosed are compositions comprising 10 to 100 weight percent of one or more pentamantanes. Also disclosed are novel processes for the separation and isolation of pentamantane components ...
01/18/2005
6797846Fibrous crystal aggregates, preparation method thereof and use thereof
A crystal substance formed by precipitating as fibrous aggregates by making a metal aliphatic carboxylate dissolve completely in pure water, stirring, and gradually cooling the resulting solution. A method of preparing the fibrous crystal aggregates. A material for ...
09/28/2004
6776821Fixing material for gaseous hydrocarbon and use thereof, and method for solidifying hydrocarbon
A material for fixing gaseous hydrocarbon containing fibrous crystal aggregates formed by precipitating by making a metal aliphatic carboxylate dissolve completely in pure water to give a solution, stirring and gradually cooling the resulting solution; a method of p...
08/17/2004
6570045Methods of solidifying low-boiling-point hydrocarbon and handling the same, and regeneration thereof
Disclosed are a method of solidifying a low-boiling-point hydrocarbon, wherein the low-boiling-point hydrocarbon (including hydrocarbons which are gaseous at ordinary temperature) is brought into contact with a metal salt of an aliphatic carboxylic acid, ...
05/27/2003
6417415Methods of solidifying low-boiling-point hydrocarbon and handling the same, and regeneration thereof
Disclosed are a method of solidifying a low-boiling-point hydrocarbon, wherein the low-boiling-point hydrocarbon (including hydrocarbons which are gaseous at ordinary temperature) is brought into contact with a metal salt of an aliphatic carboxylic acid, ...
07/09/2002
6232518Removal of benzene from organic streams using cyclodextrins
A method for separating benzene from a hydrocarbon mixture containing benzene and at least one other organic material is carried out by treating the hydrocarbon mixture with at least one cyclodextrin to form complexes of the cyclodextrin with at least a p...
05/15/2001
6028235Gas hydrate regassification method and apparatus using steam or other heated gas or liquid
A method and apparatus for safely, conveniently, and inexpensively liberating gas from gas hydrates includes the use of a device, provided adjacent to or in the bulk gas hydrates, for exposing the gas hydrates to heat from a gas or liquid (preferably stea...
02/22/2000
5567887Anhydrous ammonia gas sampler and concentration system
An anhydrous ammonia gas sampler and concentration system (10) and method is disclosed that facilitates the collection and evaporation of large volumes of anhydrous ammonia in a safe, clean environment. The ammonia is collected and frozen in two container...
10/22/1996
5414189Isolation of high purity diamondoid fractions and components
A process is disclosed for separating high purity diamondoid fractions from a mixture containing substituted and unsubstituted diamondoid compounds....
05/09/1995
5390529Method for determining heavy hydrocarbons in rock matrices and the apparatus for the purpose
A method for separating and analyzing the hydrocarbons, particularly heavy hydrocarbons, contained in sedimentary rocks, comprising: A) loading a sample tube with the sample of sedimentary rock and one or more inert solvents; B) preheating the sample tube; C) ...
02/21/1995
5386055Depolymerization process
A process for depolymerizing polymers by selective, partial oxidation at supercritical or near supercritical conditions for water and wherein supercritical water or water near supercritical conditions is used as a solvent and reforming agent, is used to p...
01/31/1995
5245095Extraction of carotenoids from natural sources
A carotenoid-enriched fraction is extracted from natural sources, such as carrots, by (i) separating the carotenoid-containing natural source into a carotenoid-containing liquid fraction and a pulp fraction, (ii) adding a carotenoid precipitation agent in...
09/14/1993
5062862Process and apparatus for recovering a pure substance from a liquid mixture by crystallization
The invention relates to a crystallization process for recovering a pure substance from a liquid mixture, a starting mixture being cooled down in a crystallization zone to form a crystal suspension from which crystals of the pure substance are recovered, ...
11/05/1991
4093672Process for the recovery of ultrahigh purity indene
Indene is recovered in ultrahigh purity from a liquid hydrocarbon mixture comprising indene and organic impurities of which at least one has a melt point above indene and of which at least one has a melt point below indene by a process comprising (1) crys...
06/06/1978
 
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