| |
 |
Mark E. Kertok Patents |
|
Inventor: Kertok; Mark E.
Address: Bartlesville, OK
No. of patents: 5
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 7312283 |
Polymerization catalysts and process for producing bimodal polymers in a single reactor |
December 25, 2007 |
| Catalyst compositions comprising a first metallocene compound, a second metallocene compound, an activator-support, and an organoaluminum compound are provided. Methods for preparing and using such catalysts to produce polyolefins are also provided. The compositions and methods discl |
| 7199073 |
Resins that yield low haze films and the process for their production |
April 3, 2007 |
| Catalyst compositions comprising a first metallocene compound, a second metallocene compound, a third metallocene compound, a chemically-treated solid oxide, and an organoaluminum compound are provided. Methods for preparing and using the catalyst and polyolefins are also provided. The |
| 7119153 |
Dual metallocene catalyst for producing film resins with good machine direction (MD) elmendorf t |
October 10, 2006 |
| This invention relates to catalyst compositions comprising a first metallocene compound, a second metallocene compound, at least one chemically-treated solid oxide, and at least one organoaluminum compound. This invention also relates to methods to prepare and use the catalyst compos |
| 4623521 |
Carbon black reactor |
November 18, 1986 |
| Vanes operatively attached to external sleeves are provided in a conduit to implement on the outside of the conduit change in the swirl angle of incoming fluids. |
| 4502858 |
Mixing apparatus |
March 5, 1985 |
| A mixing apparatus particularly useful in carbon black pelleting has two parallel pinned shafts. The pins on each shaft are arranged in a double helix fashion with the pins interdigitating. The pins of each double helix are composed of two subsets of pins arranged in a single helix which |
|
|
|
