| Patent Number |
Title Of Patent |
Date Issued |
| 5633018 |
Apparatus for forming crystalline polymer pellets |
May 27, 1997 |
| This invention relates to a process and apparatus for forming a polyester polymer into particles. More particularly, this invention relates to a process and apparatus for forming crystalline, uniform pellets from an amorphous polyester melt. The polyester pellets have utility, for exampl |
| 5540868 |
Process for pellet formation from amorphous polyester |
July 30, 1996 |
| The present invention relates to a process for forming robust, uniform, low molecular weight crystalline polyester particles. Such particles are useful for forming higher molecular weight polyesters, for example, by solid-state polymerization. Either conventionally-formed, essentially |
| 5532333 |
Production of poly(ethylene terephthalate) |
July 2, 1996 |
| Disclosed herein is a novel crystalline form of low molecular weight poly(ethylene terephthalate). This crystalline form may be produced from molten or glassy low molecular weight poly(ethylene terephthalate) material by means of rapid heat transfer to or from the material. The poly( |
| 5510454 |
Production of poly(ethylene terephthalate) |
April 23, 1996 |
| Disclosed herein is a novel crystalline form of low molecular weight poly(ethylene terephthalate). This crystalline form may be produced from molten or glassy low molecular weight poly(ethylene terephthalate) material by means of rapid heat transfer to or from the material. The poly( |