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Class Information
Number: 585/801
Name: Chemistry of hydrocarbon compounds > Purification, separation, or recovery > By conversion of solid to gas, e.g., sublimation, etc., or by melting or squeezing out liquid from solid natural source
Description: Subject matter wherein hydrocarbon contained in a solid material (including a fluent solid) is converted to a gas without existing in the liquid state for any significant amount of time, or wherein the hydrocarbon is recovered as a liquid by application of heat or pressure to a solid source of the hydrocarbon found in nature, e.g., recovery of turpentine from wood, etc.










Patents under this class:

Patent Number Title Of Patent Date Issued
8222474 Fractional extraction of butadiene Jul. 17, 2012
7789937 System and method for recovering ice-clad machinery and equipment Sep. 7, 2010
6843851 Compositions comprising pentamantanes and processes for their separation Jan. 18, 2005
6797846 Fibrous crystal aggregates, preparation method thereof and use thereof Sep. 28, 2004
6776821 Fixing material for gaseous hydrocarbon and use thereof, and method for solidifying hydrocarbon Aug. 17, 2004
6570045 Methods of solidifying low-boiling-point hydrocarbon and handling the same, and regeneration thereof May. 27, 2003
6417415 Methods of solidifying low-boiling-point hydrocarbon and handling the same, and regeneration thereof Jul. 9, 2002
6232518 Removal of benzene from organic streams using cyclodextrins May. 15, 2001
6028235 Gas hydrate regassification method and apparatus using steam or other heated gas or liquid Feb. 22, 2000
5567887 Anhydrous ammonia gas sampler and concentration system Oct. 22, 1996
5414189 Isolation of high purity diamondoid fractions and components May. 9, 1995
5390529 Method for determining heavy hydrocarbons in rock matrices and the apparatus for the purpose Feb. 21, 1995
5386055 Depolymerization process Jan. 31, 1995
5245095 Extraction of carotenoids from natural sources Sep. 14, 1993
5062862 Process and apparatus for recovering a pure substance from a liquid mixture by crystallization Nov. 5, 1991
4093672 Process for the recovery of ultrahigh purity indene Jun. 6, 1978











 
 
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