Patent application number | Description | Published |
20100113257 | Compositions and Catalyst Systems of Metal Precursors and Olefinic Diluents - A system and method for preparing and using a metal precursor diluent composition are described. The composition includes a metal precursor, and about 18% to about 80% by weight of an olefinic diluent having between 6 and 18 carbon atoms. Such compositions may be used in oligomerization catalyst systems. | 05-06-2010 |
20100113851 | System and Method of Deactivating and Quenching an Oligomerization Catalyst - A method of deactivate a catalyst system is described. The method may include contacting a reactor effluent comprising a catalyst system, an oligomerized olefin, and diluent with a kill agent to at least partially deactivate the catalyst system, separating the reactor effluent into one or more first streams comprising oligomerized olefin and diluent, the one or more first streams being substantially devoid of the at least partially deactivated catalyst, and a second stream comprising the deactivated catalyst; and contacting the second stream with a quench agent. | 05-06-2010 |
20100113852 | OLIGOMERIZATION CATALYST SYSTEM AND PROCESS FOR OLIGOMERIZING OLEFINS - Among other things, this disclosure provides an olefin oligomerization system and process, the system comprising: a) a transition metal compound; b) a pyrrole compound having independently-selected C | 05-06-2010 |
20100274065 | OLIGOMERIZATION CATALYST SYSTEM AND PROCESS FOR OLIGOMERIZING OLEFINS - Among other things, this disclosure provides an olefin oligomerization system and process, the system comprising: a) a transition metal compound; b) a pyrrole compound having a hydrogen atom on at the 5-position or the 2- and 5-position of a pyrrole compound and having a bulky substituent located on each carbon atom adjacent to the carbon atom bearing a hydrogen atom at the 5-position or the 2- and 5-position of a pyrrole compound. These catalyst system have significantly improved productivities, selectivities to 1-hexene, and provides higher purity 1-hexene within the C | 10-28-2010 |
20110082323 | OLIGOMERIZATION OF OLEFIN WAXES USING METALLOCENE-BASED CATALYST SYSTEMS - This disclosure provides for olefin wax oligomer compositions, methods of producing olefin wax oligomer composition, and methods for oligomerizing olefin waxes. This disclosure encompasses metallocene-based olefin wax oligomerization catalyst systems, including those that include a metallocene and an aluminoxane, a metallocene and a solid oxide chemically-treated with an electron withdrawing anion, and a metallocene, a solid oxide chemically-treated with an electron withdrawing anion, and an organoaluminum compound. The olefin wax oligomers prepared with these catalyst systems can decreased needle penetrations, increased viscosity, and an increased drop melt, making them useful as an additive in candles, stone polishes, liquid polishes, and mold release formulations. | 04-07-2011 |
20120083609 | METHODS FOR THE CONVERSION OF A SUBSTITUTED FURAN TO A SUBSTITUTED PYRROLE - The present invention discloses processes for producing substituted pyrrole compounds, such as 2,5-disubstituted pyrroles. Synthetic processes which directly convert substituted furan compounds to substituted pyrrole compounds, via a reaction of the substituted furan compound with ammonia and/or an ammonium salt in the presence of a catalyst, also are described. | 04-05-2012 |
20120172645 | Olefin Oligomerization catalysts and Methods of Making and Using Same - This disclosure provides for a process for preparing a catalyst system comprising a) contacting a metal compound, a diphosphino aminyl ligand metal complex, and a metal alkyl for a time period to form a mixture; and b) aging the mixture. The disclosure also provides for olefin oligomerization process comprising: a) contacting i) a metal compound, ii) a diphosphino aminyl ligand, and iii) a metal alkyl to form a mixture; b) aging the mixture; c) contacting the aged mixture with an olefin monomer; and d) forming an olefin oligomer product. | 07-05-2012 |
20120309965 | Phosphinyl Amidine Compounds, Metal Complexes, Catalyst Systems, and Their Use to Oligomerize or Polymerize Olefins | 12-06-2012 |
20130150593 | ANHYDROUS CHROMIUM(III) HALIDE COMPLEX PREPARATION - This disclosure provides a process for preparing an anhydrous chromium(III) halide complex, comprising contacting a chromium(III) halide hydrate, a water absorption agent, and a coordinating solvent, L, and forming a chromium(III) halide complex having the formula CrX | 06-13-2013 |
20130150605 | Preparation of Transition Metal Carboxylates - This disclosure provides a process for making transition metal carboxylate compositions by combining in an polar aprotic first solvent a transition metal precursor and a Group 1 or Group 2 metal carboxylate under substantially acid-free and substantially anhydrous conditions, to generate a mixture comprising the transition metal carboxylate composition. Optionally, the transition metal carboxylate composition can be purified, for example, by substantially removing the first solvent provide a residue comprising the transition metal carboxylate composition, and also optionally, further by extracting the transition metal carboxylate composition from the residue with a non-coordinating second solvent to provide an extract comprising the transition metal carboxylate composition. | 06-13-2013 |
20130150642 | Preparation of an Olefin Oligomerization Catalyst - This disclosure provides for new catalyst systems and new methods for preparing and using the catalyst systems for generating a trimerization product. In an aspect, the new catalyst systems comprise a chromium carboxylate that is prepared by anhydrous metathesis. In another aspect, the catalyst system comprise a chromium carboxylate that is prepared by anhydrous metathesis and a metal pyrrolide compound. The catalyst systems imparts improved performance and/or reduced catalyst system cost to an olefin trimerization process. | 06-13-2013 |
20140221645 | Phosphinyl Amidine Compounds, Metal Complexes, Catalyst Systems, and Their Use to Oligomerize or Polymerize Olefins | 08-07-2014 |