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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 |
| 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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