Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6512133 | Process for the production of phosphoric acid esters or phosphoric acid ester mixtures of polyhydric alcohols and use thereof | Karl Gotzmann, Hans Nagerl | 2003-01-28 |
| 6444315 | Surface-modified flame retardants containing an organic silicon composition, their use, and process for their preparation | Dieter Barfurth, Helmut Mack, Karl Goetzmann, Vincente Mans, Hans Naegerl | 2002-09-03 |
| 6300633 | In-line method for determining the residue content of an isocyanate and apparatus useful therefor | Robert N. Hunt, Gary F. Allen, Julie A. Jackson, Peter Scharein, Peter J. Ryan +2 more | 2001-10-09 |
| 6019095 | Method and a device for throwing balls | John Clemons, Wolfgang Jacobsen, Ing Kurt Pirk, Arthur Zerbe, Werner Konig +4 more | 2000-02-01 |
| 5965652 | Thermally stable copper-containing polyamide molding compounds | Aziz El Sayed, Edgar Ostlinning, Alban Hennen, Georg Heger, Werner Nielinger +2 more | 1999-10-12 |
| 5693451 | Recording material for images or data | Alexa Sommer, Udo Herrmann, Robert Bloodworth, Gunther Penners | 1997-12-02 |
| 5607990 | Method for making phenol-formaldehyde resins flame-resistant | Karlheinz Dorn, Klaus Frankenfeld, Hans-Dieter N agerl | 1997-03-04 |
| 5552226 | Process for pretreating surfaces of plastic items | Siegfried Thurm, Peter Bier, Andreas Elschner, Manfred Kowitz, Axel Sandquist | 1996-09-03 |
| 5539141 | Mixed boric acid/phosphoric acid esters of polyols, their preparation and use | Karlheinz Dorn, Klaus Frankenfeld, Hans Nagerl, Sonja Schlarb | 1996-07-23 |
| 5487810 | Process for pretreating surfaces of plastic items | Siegfried Thurm, Peter Bier, Andreas Elschner, Manfred Kowitz, Axel Sandquist | 1996-01-30 |
| 5476893 | Use of nucleus-brominated phthalic acid anhydride for stabilizing thermoplastic polycarbonates against the effect of gamma-rays | Charles E. Lundy, Ulrich Grigo, Alexa Sommer, Klaus Horn, Arno Becker | 1995-12-19 |
| 5457018 | Shaped plastic article | Leo Morbitzer, Louis Bollens, Marc Sheldon Stevens, Rudiger Plaetschke, Alfred Pischtschan | 1995-10-10 |
| 5249029 | Apparatus for determining the size distribution of pigment particles in a paint surface | Jurgen Thiemann, Manfred Botzen, Detlef Riesebeck | 1993-09-28 |
| 5242960 | Flameproofed non-drip polyamide molding compounds | Edgar Ostlinning, Aziz El Sayed, Hans G. Frohlen | 1993-09-07 |
| 5102740 | Synthetic resin bodies with improved resistance to weathering | Siegfried Thurm, Kurt-Rainer Stahlke, Reimer Holm | 1992-04-07 |
| 4343779 | Process for the condensation of phosphate solids | Walter Klemm, Hermann Weber, Frederich Meinhardt, Gerhard Schonmann, Wilhelm Spatz | 1982-08-10 |
| 4308147 | Composition and treating aqueous solutions with N-carboxy alkyl amino alkane polyphosphonic acids and their alkali metal salts | Hermann Weber | 1981-12-29 |
| 4307038 | N-Carboxy alkyl amino alkane polyphosphonic acids | Hermann Weber | 1981-12-22 |
| 4303541 | Process for charging a latent heat storage device with a salt hydrate composition | Joachim Wasel-Nielen, Karl Merkenich, Oskar Gehrig, deceased | 1981-12-01 |
| 4293526 | Process and apparatus for the condensation of solids | Walter Klemm, Hermann Weber, Frederich Meinhardt, Gerhard Schonmann, Wilhelm Spatz | 1981-10-06 |
| 4265776 | Detergent and cleaning compositions | Werner Gohla, Klaus Hestermann, Joachim Kandler, Horst-Dieter Wasel-Nielen, Hans-Adolf Rohlfs +1 more | 1981-05-05 |
| 4261929 | Process of producing n-acylaminomethane phosphonic acids | Guenter Raab | 1981-04-14 |
| 4250107 | N-(Sulfoalkane) amino alkane phosphonic acids and their water-soluble salts | Gottfried Schoebel | 1981-02-10 |
| 4216163 | N-Sulfo alkane amino alkane phosphoric acids and their alkali metal salts, and a process of producing same | Hermann Weber | 1980-08-05 |