Resources Contact Us Home
Browse by Category: Main > Chemistry
Class Information
Number: 585/847
Name: Chemistry of hydrocarbon compounds > Purification, separation, or recovery > By addition of extraneous agent, e.g., solvent, etc. > Cu > Ammoniacal, e.g., cu ammonium acetate (caa), etc. > Triple-bond compound separated
Description: Subject matter wherein the agent, e.g., CAA, etc., is added for separation or purification of acetylene or a substituted acetylene.

Patents under this class:

Patent Number Title Of Patent Date Issued
8143470 Method of purifying olefins using pyrrolidinium-based or piperidinium-based ionic liquids comprising copper (I) halide Mar. 27, 2012
6600083 Para-xylene production process integrating pressure swing adsorption and crystallization Jul. 29, 2003
4434317 Separation and recovery of unsaturated hydrocarbons by copper (I) complexes Feb. 28, 1984
4266086 Process for removing .alpha.-acetylenes from diolefins May. 5, 1981

  Recently Added Patents
Methods and compositions for inhibition of neutrophil exocytosis
Anti-GITR antibodies
2-aryl-4-quinazolinones and their pharmaceutical compositions
Reducing voltage stress in a flyback converter design
SRB enhancement on HS-DSCH during cell change
Changing sound alerts during a messaging session
  Randomly Featured Patents
Method and apparatus for processing ashes of incinerator plants
Method and apparatus for providing continuous availability of applications in a computer network
Apparatus and method for selecting mobile communication system in a portable terminal
Working unit control apparatus of excavating and loading machine
Methods and apparatuses for facilitating percutaneous fusion
Method of processing selected surfaces in a semiconductor process chamber based on a temperature differential between surfaces
Flush bolt
Frame construction for a divider wall
Miniature rose plant `PACseventy`
Spinning reel with improved bail