| Patent Number |
Title Of Patent |
Date Issued |
| 6800700 |
Polymerizations using adjuvant catalysts |
October 5, 2004 |
| Disclosed herein are methods for producing polymeric materials which are normally tenacious in their character to such degree that their processing by conventional means is not possible, for example substantially-amorphous polyolefins. By introducing a second catalyst capable of producin |
| 6143842 |
Elastomeric polyolefins production and recovery |
November 7, 2000 |
| Disclosed herein are novel polymers and copolymers of alphaolefins produced using various Ziegler/Natta and Metallocene catalysts. Commercial production of these polymers is now possible for the first time owing to the polymer harvesting technology also disclosed herein. |
| 6100351 |
Olefin polymerization process and products thereof |
August 8, 2000 |
| Methods of producing polyolefin polymers by polymerizing an .alpha.-olefin in the presence of a catalyst including a pro-catalyst having a magnesium halide, an aluminum halide, a tetravalent titanium halide, an electron donor, and a silane having the formula R.sub.1 R.sub.2 Si(OR.sub.3) |
| 6080818 |
Polyolefin blends used for non-woven applications |
June 27, 2000 |
| The invention relates to methods for preparing a fiber, thread or yarn including a polymer blend of a predominantly atactic flexible polyolefin polymer having a high weight average molecular weight of at least about 100,000 and a heat of fusion of about 15 to 60 J/g with an isotactic |
| 6017615 |
Film product comprising novel polyolefins |
January 25, 2000 |
| Multi-layer film products comprising an inner or core layer made from polyolefin polymers produced by polymerizing an .alpha.-olefin in the presence of a catalyst including: a pro-catalyst having a magnesium halide; an aluminum halide; a tetravalent titanium halide, ;an electron dono |
| 5948720 |
Catalyst for the production of flexible polyolefin compositions, methods for making and using sa |
September 7, 1999 |
| A catalyst for use in the production of flexible polyolefins using a pro-catalyst of (a) a magnesium halide, (b) an aluminum halide, (c) a tetravalent titanium halide, (d) an electron donor comprising at least one of 2,6-lutidine, 6-chloro-2-picoline, or 2,6-dichloropyridine; and (e) a |
| 5948447 |
Apparatus for product recovery of polyolefings |
September 7, 1999 |
| A method and apparatus for product recovery of polyolefins, particularly high molecular weight amorphous poly alphaolefins, wherein the use of water during the method is significantly decreased and wherein the intermediate stage of storing and drying the chunk form of the polyolefin |
