Resources Contact Us Home
Browse by Category: Main > Chemistry
Class Information
Number: 585/256
Name: Chemistry of hydrocarbon compounds > Adding hydrogen to unsaturated bond of hydrocarbon, i.e., hydrogenation > With preliminary diverse conversion > Molecular weight reduction
Description: Subject matter wherein, prior to hydrogenation, the feedstock is treated to remove hydrogen and/or carbon from some or all of its molecules.

Patents under this class:

Patent Number Title Of Patent Date Issued
7393993 Method for removal of acetylenes from hydrocarbon streams Jul. 1, 2008
7196034 Nickel-iron-silica-alumina Mar. 27, 2007
6169218 Selective hydrogenation of highly unsaturated compounds in hydrocarbon streams Jan. 2, 2001
6153804 Production of cyclopentane and/or cyclopentene from partially hydrogenated pyrolysis gasoline Nov. 28, 2000
6100435 Use of catalytic distillation to produce cyclopentane or cyclopentene Aug. 8, 2000
5998683 Process for forming cyclopentane from dicyclopentadiene Dec. 7, 1999
5925799 Catalytic distillation and hydrogenation of heavy unsaturates in an olefins plant Jul. 20, 1999
4214110 Process for producing hydrocarbons Jul. 22, 1980
4167533 Co-production of ethylene and benzene Sep. 11, 1979
4166830 Diacritic cracking of hydrocarbon feeds for selective production of ethylene and synthesis gas Sep. 4, 1979
4152365 Selective hydrogenation of polyenes May. 1, 1979
4139569 Vapor phase cracking of dicyclopentadiene and synthesis of 2,3-dihydroxycyclopentadiene and cyclopentene Feb. 13, 1979
4133842 Production and recovery of linear mono-olefins Jan. 9, 1979
4100218 Ethane conversion process Jul. 11, 1978
4065379 Process for the production of normally gaseous olefins Dec. 27, 1977
4048242 Process for the production of cyclopentene from dicyclopentadiene Sep. 13, 1977
3994986 Method of producing cyclopentene Nov. 30, 1976

  Recently Added Patents
Method for manufacturing a substrate for a display device
Shared system to operationally connect logic nodes
Satellite fleet deployment
Techniques to manage communications resources for a multimedia conference event
Implantable neuro-stimulation electrode with fluid reservoir
Cognitive radio cooperative spectrum sensing method and fusion center performing cognitive radio cooperative spectrum sensing
Systems and methods for controlling phasing of advancing substrates in absorbent article converting lines
  Randomly Featured Patents
1,1-Diphenyl-1-lower alkoxy-amino-alkanes and the salts thereof
Electrical connector for aircraft fuel pumps
System and method for optimized runway exiting
Automatic musical instrument tuning system
Maturation process for wines
Method and composition for decreasing emissions of sulfur oxides and nitrogen oxides
Motor vehicle alternator having sealed rectifiers for efficient high-temperature operation
Light source device and projector
Semiconductor device having early operation high voltage generator and high voltage supplying method therefor
FGF Homologs