Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5516850 | Ionic polymers | Wolfgang Klauck, Ernst-Ulrich Rust, Johann Klein, Ludger Willeke | 1996-05-14 |
| 5512655 | Dihydroxyfatty acids as structural elements for polyurethanes | Wolfgang Klauck | 1996-04-30 |
| 5512134 | Process for removing printing inks from printed wastepaper or from paper circuit waters | Berthold Schreck, Klaus Hornfeck | 1996-04-30 |
| 5470493 | Process for softening fabrics by contacting them with a thiodiglycol derivative | Ingo Wegener, Alfred Meffert, Faize Berger | 1995-11-28 |
| 5442082 | Alkoxylated compounds produced from epoxidized carboxylic acid derivatives | Guenter Uphues, Uwe Ploog, Gerhard Stoll, Berthold Schreck | 1995-08-15 |
| 5403440 | Use of compounds containing polyether chains prepared from epoxidized carboxylic acid derivatives for the removal of printing inks from wastepaper | Berthold Schreck, Klaus Hornfeck | 1995-04-04 |
| 5382647 | Polyurethane-based friable sealing compound | Roland Gruetzmacher, Rainer Hoefer, Gerhard Stoll | 1995-01-17 |
| 5380886 | Process for the production of epoxide ring opening products having a defined residual epoxide oxygen content | Roland Gruetzmacher, Nicole Mertscheit | 1995-01-10 |
| 5308512 | Thiodiglycol alkoxylate derivatives, a process for their production and their use as fabric softeners | Gerhard Stoll, Ingo Wegener, Faize Berger | 1994-05-03 |
| 5302626 | Use of reaction mixtures containing polyester polyols in the production of solid polyurethane materials by casting | Rainer Hoefer, Gerhard Stoll, Roland Gruetzmacher | 1994-04-12 |
| 5288796 | Friable sealing compound for sealing joint boxes | Rainer Hoefer, Gerhard Stoll, Roland Gruetzmacher | 1994-02-22 |
| 5266714 | Process for the production of reaction mixtures containing ester polyols | Gerhard Stoll, Rainer Hoefer, Roland Gruetzmacher, Hermann Kluth | 1993-11-30 |
| 5237080 | Alkoxylation products of OH-functional carboxylic acid derivatives and/or carboxylic acids | Gerhard Stoll | 1993-08-17 |
| 5221433 | Deinking wastepaper using alkoxylation product of carboxylic acid containing an OH group and alkylene oxide | Gerhard Stoll, Klaus Hornfeck | 1993-06-22 |