Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5656646 | Mixtures of polymers of monoethylenically unsaturated dicarboxylic acids and polymers of ethylenically unsaturated monocarboxylic acids and/or polyaminocarboxylic acids and their use | Johannes Perner, Helmut Guembel, Walter Denzinger, Heinrich Hartmann, Matthias Kroner | 1997-08-12 |
| 5576407 | Copolymers of hydroxyalkyl vinyl ethers for use in detergents and cleaning agents | Matthias Kroner, Heinrich Hartmann, Gerhard Wolf, Richard Baur, Hans-Ulrich Jaeger +2 more | 1996-11-19 |
| 5520834 | Polyacetals containing acetaldehyde acetal units, preparation thereof and use thereof in detergents and cleaners | Matthias Kroner, Heinrich Hartmann, Johannes Perner, Hans-Ulrich Jaeger, Richard Baur +1 more | 1996-05-28 |
| 5162590 | Vinyl polyether alcohols | Martin Fischer, Richard Baur | 1992-11-10 |
| 5143840 | Substantially purified proteolytic enzyme from Bacillus spec. USNI 4828 method of making and using it | Hansjoerg Rettenmaier, Andreas Kreimeyer, Johannes Perner | 1992-09-01 |
| 5049302 | Stable liquid detergent compositions with enchanced clay soil detergency and anti-redeposition properties | Richard J. Holland, Ornie K. Bullard, Alicia V. York, Dieter Boeckh, Wolfgang Trieselt +1 more | 1991-09-17 |
| 5009805 | Liquid detergent with copolymer additive | Johannes Perner, Heinrich Hartmann, Walter Denzinger, Alfred Oftring, Willibald Schoenleben | 1991-04-23 |
| 5008032 | Use of partially esterified copolymers in liquid detergents | Johannes Perner, Walter Denzinger, Heinrich Hartmann, Hans-Juergen Raubenheimer | 1991-04-16 |
| 4897215 | Detergents containing water-soluble copolymers containing as copolymerized units monomers having two or more ethylenically unsaturated double bonds | Wolfgang Trieselt, Richard Baur, Ekhard Winkler, Hans-Peter Seelmann-Eggebert, Dieter Boeckh +1 more | 1990-01-30 |
| 4897220 | Detergents containing water-soluble copolymers containing as copolymerized units monomers having two or more ethylenically unsaturated double bonds | Wolfgang Trieselt, Richard Baur, Ekhard Winkler, Hans-Peter Seelmann-Eggebert, Dieter Boeckh +1 more | 1990-01-30 |
| 4816553 | Polyacetals, preparation thereof from dialdehydes and polyolcarboxylic acids, and use of same | Richard Baur, Rolf Fikentscher, Alfred Oftring, Felix Richter, Wolfgang Trieselt +2 more | 1989-03-28 |
| 4559159 | Copolymers, their preparation and their use as assistants in detergents and cleansing agents | Walter Denzinger, Heinrich Hartmann, Wolfgang Trieselt, Richard W. Mueller, Albert Hettche | 1985-12-17 |
| 4267068 | Storage-stable, pourable silicate suspensions | Johannes Perner, Bernd Leutner, Hans-Ulrich Schlimper | 1981-05-12 |
| 4239552 | Machine dishwashing, using polyhydric alcohols, carboxylic acids and or esters of these as rinsing agents | Johannes Perner, Dieter Stoeckigt, Franz Merger, Juergen Paetsch | 1980-12-16 |
| 4239641 | Use of polyhydric alcohols, carboxylic acids, hydroxy-carboxylic acids and/or their esters with polyhydric alcohols as viscosity regulators | Johannes Perner, Dieter Stoeckigt, Franz Merger, Juergen Paetsch | 1980-12-16 |
| 4200733 | Iodine-containing block copolymers of 1,4-butylene oxide and ethylene oxide | Johannes Perner, Norbert Greif, Rolf Fikentscher | 1980-04-29 |