Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11839996 | Method and device for processing a mixture of recycled polyester material and a polyester prepolymer from a polyester manufacturing process | Karl SCHÖPF | 2023-12-12 |
| 11566104 | Process and apparatus for direct crystallization of polycondensates | Brent Allan Culbert | 2023-01-31 |
| 11286365 | Process for recycling polyolefins | — | 2022-03-29 |
| 10745517 | Process and apparatus for direct crystallization of polycondensates | Brent Allan Culbert | 2020-08-18 |
| 10604620 | Process for solid-state polycondensation | — | 2020-03-31 |
| 9943817 | Process and apparatus for direct crystallization of polymers under inert gas | Brent Allan Culbert, Fernando Eusebio | 2018-04-17 |
| 9133303 | Method for the production polyester with improved melting properties and crystallization properties | Allan Brent Culbert | 2015-09-15 |
| 9101963 | Device and method for sorting polymeric material | — | 2015-08-11 |
| 8728368 | Method for crystallizing crystallizable polymers having a high tendency to agglomerate | Brent Allan Culbert, Mauricio Rodrigues | 2014-05-20 |
| 8562882 | Method for producing homogeneously crystallized polycondensate pellets | Fernando Eusebio, Brent Allan Culbert, Peter Locker | 2013-10-22 |
| 8389667 | Partially crystalline polyethyleneterephthalate | Brent Allan Culbert, Theodor Jurgens | 2013-03-05 |
| 7981340 | Method of degassing a flowable mass in a ring extruder | Achim-Phillipp Sturm, Jürgen Schweikle, Federico Innerebner | 2011-07-19 |
| 7819942 | Solid-phase polycondensation of polyester with process gas purification | Claudemiro Ferreira | 2010-10-26 |
| 7683156 | Production of a high-molecular polycondensate | Claudemiro Ferreira | 2010-03-23 |
| 7654725 | Degassing of flowable masses in a multiple-screw extruder | Achim-Phillipp Sturm, Jürgen Schweikle, Federico Innerebner | 2010-02-02 |
| 7193032 | Controlling the crystallization of polyesters by means of their water content | Brent Allan Culbert | 2007-03-20 |
| 7080935 | Multi-screw extruder | Federico Innerebner, Achim-Philipp Sturm, Jürgen Schweikle | 2006-07-25 |
| 6841656 | Method of processing a polycondensate in a multi-screw extruder | Jürgen Schweikle | 2005-01-11 |
| 6730774 | Method and device for decontaminating polycondensates | Camille Borer, Thomas Hersperger | 2004-05-04 |
| 6012628 | Protective box for a food tray | Mahmood A. Shaikh | 2000-01-11 |
| 5770274 | Method for producing extrusion-coated laminates | — | 1998-06-23 |
| 5676791 | Device for producing extrusion-coated laminates | — | 1997-10-14 |
| 5522506 | Blister packs | Monique Roulin, Hans-Rudolf Nageli | 1996-06-04 |