Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Chemistry
Class Information
Number: 585/837
Name: Chemistry of hydrocarbon compounds > Purification, separation, or recovery > By addition of extraneous agent, e.g., solvent, etc. > Different, sequentially used agents > One agent is a diluent, i.e., nonselective solvent or heat exchange material
Description: Subject matter in which one of the agents serves to heat or cool a material involved in the process or in which the agent dissolves an entire hydrocarbon feedstream.










Patents under this class:

Patent Number Title Of Patent Date Issued
8557087 Process for the separation of a hydrocarbon-containing feed stream Oct. 15, 2013
RE44462 Carbon dioxide fractionalization process Aug. 27, 2013
7777088 Carbon dioxide fractionalization process Aug. 17, 2010
7572948 Fulvene purification Aug. 11, 2009
6100439 Styrene caustic wash extraction aid Aug. 8, 2000
4439629 Extraction process for beta-carotene Mar. 27, 1984
4266086 Process for removing .alpha.-acetylenes from diolefins May. 5, 1981
4098838 Process for obtaining sulfur free pure naphthalene from bituminous coal tar and thionaphthene as a by-product Jul. 4, 1978
4070410 Method of isolating individual normal alkanes from petroleum stock Jan. 24, 1978
3944483 Distillative recovery of aromatics with water addition in azeotropic proportions Mar. 16, 1976











 
 
  Recently Added Patents
Gestures for presentation of different views of a system diagram
Low temperature pressure chamber unit, magnetic resonance device with a low temperature pressure chamber unit, and an attachment method to attach at least one add-on unit to an external housin
Systems, devices, methods, and compositions including fluidized x-ray shielding compositions
Motilin-like peptide compound having transmucosal absorbability imparted thereto
Method of forming micropattern, method of forming damascene metallization, and semiconductor device and semiconductor memory device fabricated using the same
Emergency call notification for network services
Bid optimization in search engine marketing
  Randomly Featured Patents
Ventricular synchronized atrial pacing mode of implantable cardioverter/defibrillator
Localized motion artifact reduction in projection imaging
Debugging a multiprocessor system that switches between a locked mode and a split mode
Adjustable handlebar for a vehicle
Method and lift pump for raising liquids
Sheet transfer device and method
Recording medium
Method of indirect liquid-phase heat transfer
Electrostatic spraying apparatus
Wire harness for modular office furniture