Resources Contact Us Home
Browse by Category: Main > Chemistry
Class Information
Number: 585/255
Name: Chemistry of hydrocarbon compounds > Adding hydrogen to unsaturated bond of hydrocarbon, i.e., hydrogenation > With preliminary diverse conversion > Polymerization of olefins only
Description: Subject matter wherein the only other synthesis step is the polymerization of an olefinic feedstock before hydrogenation reaction.

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8598394 Manufacture of low viscosity poly alpha-olefins Dec. 3, 2013
8536391 Oligomerization of alpha olefins using metallocene-SSA catalyst systems and use of the resultant polyalphaolefins to prepare lubricant blends Sep. 17, 2013
8481796 Olefin oligomerization and compositions therefrom Jul. 9, 2013
8450549 Fuel compositions comprising isoprene derivatives May. 28, 2013
8188327 Isooctene/isooctane process May. 29, 2012
8178740 Olefin upgrading process May. 15, 2012
8168838 Hydrocarbon compositions useful as lubricants May. 1, 2012
8134039 Process for the production of high-octane hydrocarbon compounds by the selective dimerization of isobutene contained in a stream which also contains C.sub.5 hydrocarbons Mar. 13, 2012
8124820 Process for the manufacture of polyolefins Feb. 28, 2012
8067655 Diisobutylene process Nov. 29, 2011
7989670 Process to produce high viscosity fluids Aug. 2, 2011
7960486 Process for producing olefin polymer Jun. 14, 2011
7776277 Polymerization method and polymerization apparatus Aug. 17, 2010
7510646 Process for the production of hydrocarbon blends with a high octane number by the hydrogenation of hydrocarbon blends containing branched olefinic cuts Mar. 31, 2009
7456329 Polyolefins from non-conventional feeds Nov. 25, 2008
7429553 Process for reducing the toxicity of hydrocarbons Sep. 30, 2008
7342143 Polyalphaolefin having a low halide concentration and a method of manufacturing thereof Mar. 11, 2008
7326817 Process for reducing the toxicity of hydrocarbons Feb. 5, 2008
7273957 Process for the production of gasoline stocks Sep. 25, 2007
7129197 Synthesis of poly-alpha olefin and use thereof Oct. 31, 2006
7022784 Synthetic lubricant composition and process Apr. 4, 2006
6703356 Synthetic hydrocarbon fluids Mar. 9, 2004
6613108 Process for producing a fuel component Sep. 2, 2003
6583239 Process for producing a polymer of an .alpha.-olefin and lubricant Jun. 24, 2003
6476283 Hydrogenation of unsaturated polymers using divalent diene-containing bis-cyclopentadienyl group IV metal catalysts Nov. 5, 2002
6388149 Process for reacting an organic compound in the presence of a supported ruthenium catalyst May. 14, 2002
6376731 Selective olefin oligomerization Apr. 23, 2002
6274783 Catalytic distillation process for the production of C8 alkanes Aug. 14, 2001
5998685 Process for preparing butene oligomers from field butanes Dec. 7, 1999
5895830 Process for oligomer production and saturation Apr. 20, 1999
5877372 Isobutylene oligomerization using isooctane diluent Mar. 2, 1999
5856604 Process for integrated oligomer production and saturation Jan. 5, 1999
5811608 Process for oligomer production and saturation Sep. 22, 1998
5780699 Synthetic basestocks and process for producing same Jul. 14, 1998
5714661 Process for the preparation of synthetic lubricant base stocks Feb. 3, 1998
5573657 Hydrogenation process Nov. 12, 1996
5382739 Lubricating oils Jan. 17, 1995
5378767 Fixed bed hydrogenation of low molecular weight polydiene polymers Jan. 3, 1995
5344582 Traction fluid derived from cyclopentadiene oligomers Sep. 6, 1994
5321175 Olefin hydrogenation procedure Jun. 14, 1994
5276229 High VI synthetic lubricants from thermally cracked slack wax Jan. 4, 1994
5210347 Process for the production of high cetane value clean fuels May. 11, 1993
5210349 Selective hydrogenation of cyclic polyenes May. 11, 1993
5191130 Process for oligomerizing olefins using halogenated phosphorous-containing acid on montmorillonite clay Mar. 2, 1993
5180864 Process for oligomerizing olefins using an aluminum nitrate-treated acidic clay Jan. 19, 1993
5180869 Process for co-reacting poly(isobutylene) and linear olefins to prepare synthetic lubricant base stocks having improved properties Jan. 19, 1993
5177277 Hydrogenated deodorized polybutene polymers Jan. 5, 1993
5171908 Synthetic polyolefin lubricant oil Dec. 15, 1992
5171918 Apparatus and oil compositions containing olefin dimer products Dec. 15, 1992
5171904 Synthetic lubricant base stocks having an improved pour point Dec. 15, 1992

1 2 3

  Recently Added Patents
Performing failover for a plurality of different types of videoconferencing devices
Security access protection for user data stored in a cloud computing facility
Liquid crystal display
Semiconductor device and method for manufacturing the same
Resistive memory element sensing using averaging
Device for increasing chip testing efficiency and method thereof
Dual source mass spectrometry system
  Randomly Featured Patents
Method of sealing an electrical feedthrough in a semiconductor device
Energy dissipative device and method
Single wire network for sending data in predetermined periods and next register address immediately thereafter and storing data in register identified in last cycle
Electrical connector with contacts at different insertion depths
Dual insulating layer diode with asymmetric interface state and method of fabrication
Data management apparatus and data management system
Backwash valve and system for teat cup assembly
Platform for learning based recognition research
Sweeping machine brush mounting assembly
Method and apparatus for determination of a criterion of activity of a rate modulation parameter sensor in an active implantable medical device