1
Alison Margaret Anne Bennett: Oligomerization of propylene. E I du Pont de Nemours and Company, Joel D Citron, Craig H Evans, Bart E Lerman, May 16, 2000: US06063881 (27 worldwide citation)

Propylene may be oligomerized by contact with cobalt complexes corresponding to the following structure: ##STR1## wherein R.sup.1 -R.sup.7 are hydrogen, hydrocarbyl or inert functional groups, and X is an anion. The resulting olefins are useful as chemical intermediates.


2
Saleh Elomari, Stephen J Miller: Oligomerization of propylene to produce base oil products using ionic liquids-based catalysis. Chevron U, Susan M Abernathy, February 28, 2012: US08124821 (12 worldwide citation)

We provide a process, comprising: a. oligomerizing propylene in ionic liquid; b. optionally alkylating the oligomer; to make a base oil having: i. a kinematic viscosity at 100° C. of 2.9 mm2/s or greater, ii. a viscosity index from 25 to 90, and iii. a low cloud point. We provide a process, comprisi ...


3
Marcel Robert: Oligomerization of propylene. Exxon Research and Engineering Company, Frank T Johmann, January 13, 1976: US03932553 (10 worldwide citation)

Propylene is oligomerised in the presence of a boron trifluoride catalyst and a small amount of a reagent which reduces the activity of the catalyst, thereby resulting in a reduction of the average molecular weight of the oligomerisation product. Butadiene is one said reagent.


4
Helmut Bahrmann, Wolfgang Greb, Peter Heymanns, Peter Lappe, Thomas M uller, J urgen Szameitat, Ernst Wiebus: Mixtures of isomeric decyl alcohols, phthalates obtainable therefrom, and their use as plasticizers. Hoechst Aktiengesellschaft, Bierman and Muserlian, December 10, 1996: US05583250 (9 worldwide citation)

Mixtures of isomeric decyl alcohols obtained by oligomerization of propylene in the presence of deactivated zeolites as catalysts, followed by separation of the nine carbon olefins from the oligomer mixture, then hydroformylation of the 9 carbon olefins to 10 carbon aldehydes, and hydrogenation of t ...


5
Donald A Keyworth: Process for the oligomerization of propylene. Tenneco Oil Company, Kenneth H Johnson, April 1, 1986: US04579990 (7 worldwide citation)

Propylene contained in mixed C.sub.3 /C.sub.4 streams containing at least 5 wt. % isobutene, for example, catalytic cracker offgas, may be recovered as a useful gasoline component by oligomerizing the propylene in liquid phase at 80.degree. to 130.degree. C. at LHSV 2 to 5 in the presence of an acid ...


6
Helmut Bahrmann, Wolfgang Greb, Peter Heymanns, Peter Lappe, Thomas Muller, Jurgen Szameitat, Ernst Wiebus: Mixtures of isomeric decyl alcohols, phthalates obtainable therefrom, and their use as plasticizers. Hoechst Aktiengesellschaft, Bierman Muserlian & Lucas, August 26, 1997: US05661204 (4 worldwide citation)

Mixtures of isomeric decyl alcohols obtained by oligomerization of propylene in the presence of deactivated zeolites as catalysts, followed by separation of the nine carbon olefins from the oligomer mixture, then hydroformylation of the 9 carbon olefins to 10 carbon aldehydes, and hydrogenation of t ...


7
Helmut Bahrmann, Wolfgang Greb, Peter Heymanns, Peter Lappe, Thomas Muller, Jurgen Szameitat, Ernst Wiebus: Process for making a mixture of isomeric decyl alcohols. Hoechst, Bierman and Muserlian, May 14, 1996: US05516948 (3 worldwide citation)

Mixtures of isomeric decyl alcohols obtained by oligomerization of propylene in the presence of deactivated zeolites as catalysts, followed by separation of the nine carbon olefins from the oligomer mixture, then hydroformylation of the 9 carbon olefins to 10 carbon aldehydes, and hydrogenation of t ...


8
Saleh Elomari, Stephen Joseph Miller: Oligomerization of propylene and longer chain alpha olefins to produce base oil products. Chevron U, Susan M Abernathy, June 19, 2012: US08203026 (1 worldwide citation)

We provide a process for making a base oil, comprising: mixing one or more longer chain alpha olefins comprising C6+ olefins with an olefin feed comprising propylene to make a mixed olefin feed; and oligomerizing the mixed olefin feed using an acidic chloroaluminate ionic liquid catalyst to form an ...


9
David L Beach, Thaddeus P Kobylinski: Process for the oligomerization of propylene and higher olefins. Gulf Research & Development Company, Deane E Keith, Forrest D Stine, Joseph J Carducci, October 6, 1981: US04293726 (1 worldwide citation)

An alpha olefin containing three to 10 carbon atoms, or higher, is oligomerized by intimately contacting the alpha olefin, e.g., in a non-aromatic solvent, with a catalyst produced by contacting (a) a refractory metal oxide/silica support such as alumina/silica wherein the silica content of the supp ...


10
Wayne Turbeville, Greg Korynta: Promoted solid phosphoric acid catalysts and methods of use. Clariant Corpoation, August 2, 2016: US09403149 (1 worldwide citation)

The present invention relates to solid phosphoric acid (SPA) catalysts, processes for making the catalysts, and processes for conversion of hydrocarbons using the catalysts, such as oligomerization of propylene. In an exemplary embodiment, the catalyst comprises a calcined extrudate of phosphoric ac ...