Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Chemistry
Class Information
Number: 585/840
Name: Chemistry of hydrocarbon compounds > Purification, separation, or recovery > By addition of extraneous agent, e.g., solvent, etc. > Different, sequentially used agents > Later agent disengages earlier, e.g., decomplexing agent, etc. > Later agent is hydrocarbon
Description: Subject matter in which a later agent which disengages an earlier agent is a hydrocarbon.










Patents under this class:

Patent Number Title Of Patent Date Issued
5863420 Unsaturated hydrocarbon separation and recovery process Jan. 26, 1999
5122236 Method for removal of dimethyl ether and methanol from C.sub.4 hydrocarbon streams Jun. 16, 1992
4409421 Process for the preparation of pure tert.-olefins Oct. 11, 1983
4353840 Use of amine-aluminum chloride adducts as alkylation inhibitors in a ligand-complexing process Oct. 12, 1982
4154584 Method for cooling gases containing naphthalene, tar and solids May. 15, 1979
4153630 Inclusion compounds, process for preparation thereof, and process for separating isomers using the inclusion compounds May. 8, 1979
4091045 Process for the purification of liquid sorbents that comprise bimetallic salt complexes May. 23, 1978
4070410 Method of isolating individual normal alkanes from petroleum stock Jan. 24, 1978
4014950 Process for the purification of liquid sorbents comprising bimetallic salt complexes Mar. 29, 1977
3962366 Isomerization and separation of cymenes from mixtures containing same Jun. 8, 1976











 
 
  Recently Added Patents
Instance management of code in a database
Method and apparatus for communication channel error rate estimation
Field of view matching in a visual prosthesis
Application authentication system and method
Storage apparatus and storage apparatus management method performing data I/O processing using a plurality of microprocessors
Method and system for providing an intelligent visual scrollbar position indicator
Illumination apparatus
  Randomly Featured Patents
Tissue ablation systems
Method and device for homogenizing glass melt
Cable-type electromagnetic receiver system for subsurface exploration
Three-phase induction motor
Ophthalmic contact lens with internal fixation light for examination of the optic nerve
Selection of search criteria order based on relevance information
Method of making a structure having an optimized three-dimensional shape
Stage apparatus and lithographic apparatus comprising such stage apparatus
Waste disposal funnel
Dental attachment for fixing dental prostheses