| Patent Number |
Title Of Patent |
Date Issued |
| 7384886 |
Methods of preparation of an olefin oligomerization catalyst |
June 10, 2008 |
| A method of making a catalyst for use in oligomerizing an olefin comprising a chromium-containing compound, a pyrrole-containing compound, a metal alkyl, a halide-containing compound, and optionally a solvent, the method comprising contacting a composition comprising the chromium-con |
| 7341619 |
Olefin waxes having improved hardness or viscosity |
March 11, 2008 |
| In one embodiment, we disclose hardened olefin waxes and processes for preparing them. In another embodiment, we disclose oxidized olefin waxes having low viscosity and processes for preparing them. The waxes are suitable for use as polishes, coatings, or inks, among other uses. |
| 7166556 |
Isoparaffin-olefin alkylation |
January 23, 2007 |
| A novel alkylation catalyst is described which is used in processes for alkylating olefin hydrocarbons with isoparaffin hydrocarbons to produce high octane alkylate products suitable for use as a blending component of gasoline motor fuel. The novel catalyst comprises a mixture of a hydro |
| 5968862 |
Transition metal-magnesium catalyst precursors for the polymerization of olefins |
October 19, 1999 |
| Disclosed is a catalyst precursor, useful to make catalysts useful in the polymerization of olefins, comprising the product obtained by adding a preformed magnesium source to a solution comprising a solvent having dissolved therein a transition metal compound and an alkyl halide. |
| 5891819 |
Catalyst comprising hydrogen halide, sulfone, and a promoter |
April 6, 1999 |
| A novel alkylation catalyst is described which is used in processes for alkylating olefin hydrocarbons with isoparaffin hydrocarbons to produce high octane alkylate products suitable for use as a blending component of gasoline motor fuel. The novel catalyst comprises a mixture of a hydro |
| 5723715 |
Isoparaffin-olefin alkylation |
March 3, 1998 |
| A novel alkylation catalyst is described which is used in processes for alkylating olefin hydrocarbons with isoparaffin hydrocarbons to produce high octane alkylate products suitable for use as a blending component of gasoline motor fuel. The novel catalyst comprises a mixture of a hydro |
| 5654251 |
Isoparaffin-olefin alkylation |
August 5, 1997 |
| A novel alkylation catalyst is described which is used in processes for alkylating olefin hydrocarbons with isoparaffin hydrocarbons to produce high octane alkylate products suitable for use as a blending component of gasoline motor fuel. The novel catalyst comprises a mixture of a hydro |
| 5534657 |
Isoparaffin-olefin alkylation |
July 9, 1996 |
| A novel alkylation catalyst is described which is used in processes for alkylating olefin hydrocarbons with isoparaffin hydrocarbons to produce high octane alkylate products suitable for use as blending components of gasoline motor fuel. The novel catalyst comprises a mixture of a hydrog |
| 5498818 |
Method for suppressing the evaporation of hydrogen fluoride from a mixing of hydrogen flouride a |
March 12, 1996 |
| A novel alkylation catalyst is described which is used in processes for alkylating olefin hydrocarbons with isoparaffin hydrocarbons to produce high octane alkylate products suitable for use as blending components of gasoline motor fuel. The novel catalyst comprises a mixture of a hydrog |
| 5382744 |
Control of synthetic isopentane production during alkylation of amylenes |
January 17, 1995 |
| A method of minimizing or controlling the production of synthetic isopentane during the catalyzed alkylation reaction of amylenes and isoparaffins by providing a concentration of isopentane in the alkylation reactor feed material. |
| 5306859 |
Alkylation catalyst regeneration utilizing polyvinylpyridine and amine substituted styrene divin |
April 26, 1994 |
| Described is a novel process for regenerating an ASO contaminated alkylation catalyst containing a sulfone component and a hydrogen halide component. A sulfone-containing mixture containing ASO and which is derived by the removal of a major portion of the hydrogen halide component of |
| 5264649 |
Alkylation catalyst regeneration |
November 23, 1993 |
| Disclosed is a process for removing acid soluble oils, produced as an undesirable by-product of an HF catalyzed alkylation reaction, from a liquid containing a sulfone compound. The process includes the use of a solvent to extract the acid soluble oils from a sulfone-containing fluid |
| 5264647 |
Alkylation catalyst regeneration |
November 23, 1993 |
| Described is a novel process for regenerating an ASO contaminated alkylation catalyst which contains a sulfone component and a hydrogen halide component. The alkylation catalyst undergoes a series of separation steps to remove a significant portion of the hydrogen halide component co |
