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Class Information
Number: 585/504
Name: Chemistry of hydrocarbon compounds > Unsaturated compound synthesis > By addition of entire unsaturated molecules, e.g., polymerization, etc. > With specified procedure for recycle of nonhydrocarbon
Description: Subject matter wherein a procedure is recited for getting catalyst or other nonhydrocarbon material which has been removed from a reaction back into the reaction, which procedure goes beyond mere nominal "recycling", "regenerating", etc.










Patents under this class:

Patent Number Title Of Patent Date Issued
8658750 System and method for selective trimerization Feb. 25, 2014
8608824 Integrated method for producing carbonyl iron powder and hydrocarbons Dec. 17, 2013
7977520 Method for the telomerization of non-cyclic olefins Jul. 12, 2011
7678953 Olefin oligomerization Mar. 16, 2010
7652185 Catalyst recovery process Jan. 26, 2010
7291685 Process for producing low polymer of .alpha.-olefin Nov. 6, 2007
7038101 Method for product separation and purification in iso-butylene dimerization process May. 2, 2006
6596913 Recovery of tertiary butyl alcohol Jul. 22, 2003
6462151 Method of removing and recovering boron trifluoride with metal fluoride and process for polyolefin production using the same Oct. 8, 2002
6380451 Methods for restoring the heat transfer coefficient of an oligomerization reactor Apr. 30, 2002
6284937 Process and unit for carrying out a reaction on an organic feed, such as dimerisation or metathesis, in the presence of a polar phase containing a catalyst Sep. 4, 2001
6075174 BF.sub.3 removal from BF.sub.3 catalyzed olefin oligomer Jun. 13, 2000
5990367 Process for oligomer production and saturation Nov. 23, 1999
5811616 BF.sub.3 gas recovery process Sep. 22, 1998
4962249 High VI lubricants from lower alkene oligomers Oct. 9, 1990
4769504 Process for converting light alkanes to higher hydrocarbons Sep. 6, 1988
4456781 Catalytic conversion system for oligomerizing olefinic feedstock to produce heavier hydrocarbons Jun. 26, 1984
4079095 Manufacture of light olefins Mar. 14, 1978
4072730 Process for alkylating aromatic hydrocarbons Feb. 7, 1978
4020121 Oligomerization reaction system Apr. 26, 1977
3991129 Production of polybutene with static mixer Nov. 9, 1976











 
 
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