Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7888524 | Process for preparing sulfuric monoesters from amino alkanols | Jacques Dupuis, Reinhard W. Hoffmann, Manfred Winter | 2011-02-15 |
| 5260396 | Preparation of water resistant films and coatings and use thereof | Matthias Kroner, Heinrich Hartmann, Juergen Steinmetz, Thomas Anstock | 1993-11-09 |
| 5073269 | Preparation of water-soluble copolymers of maleic acid and use thereof as water treatment agents | Walter Denzinger, Heinrich Hartmann, Ulrich Goeckel, Felix Richter, Hans-Juergen Raubenheimer | 1991-12-17 |
| 5019296 | Serine-N,N-diacetic acid and derivatives as complexing agents and detergents containing same | Richard Baur, Felix Richter, Stefan Birnbach, Rolf Fikentscher, Alfred Oftring | 1991-05-28 |
| 4997680 | Polymeric conditioner for pretreating nonmetallic surfaces for chemical metallization | Chung-Ji Tschang, Johannes P. Dix, Guenther Gotsmann, Klaus Glaser, Rolf Fikentscher | 1991-03-05 |
| 4978805 | Polyethers | Richard Baur, Stefan Birnbach, Alfred Oftring | 1990-12-18 |
| 4973730 | Preparation of serine-N,N-diacetic acid and derivatives as complexing agents and detergents containing same | Richard Baur, Felix Richter, Stefan Birnbach, Rolf Fikentscher, Alfred Oftring | 1990-11-27 |
| 4954369 | Chemical deposition of copper from alkaline aqueous baths | Alfred Oftring, Chung-Ji Tschang, Guenther Gotsmann, Klaus Glaser | 1990-09-04 |
| 4940609 | Polymeric conditioner for pretreating nonmetallic surfaces for chemical metallization | Chung-Ji Tschang, Johannes P. Dix, Guenther Gotsmann, Klaus Glaser, Rolf Fikentscher | 1990-07-10 |
| 4897220 | Detergents containing water-soluble copolymers containing as copolymerized units monomers having two or more ethylenically unsaturated double bonds | Wolfgang Trieselt, Richard Baur, Paul Diessel, Hans-Peter Seelmann-Eggebert, Dieter Boeckh +1 more | 1990-01-30 |
| 4897215 | Detergents containing water-soluble copolymers containing as copolymerized units monomers having two or more ethylenically unsaturated double bonds | Wolfgang Trieselt, Richard Baur, Paul Diessel, Hans-Peter Seelmann-Eggebert, Dieter Boeckh +1 more | 1990-01-30 |
| 4886859 | Slightly crosslinked, water-soluble polymaleic acid, its preparation and its use | Walter Denzinger, Heinrich Hartmann, Ulrich Gockel, Felix Richter, Hans-Jurgen Raubenheimer | 1989-12-12 |
| 4827014 | 2-Hydroxy-3-aminopropionic-n,n-diacetic acid and derivatives thereof, preparation thereof, and detergents containing same | Richard Baur, Felix Richter, Stefan Birnbach, Rolf Fikentscher, Alfred Oftring +1 more | 1989-05-02 |
| 4818794 | Slightly crosslinked, water-soluble polymaleic acid, its preparation and its use | Walter Denzinger, Heinrich Hartmann, Ulrich Goeckel, Felix Richter, Hans-Juergen Raubenheimer | 1989-04-04 |
| 4818795 | Polymaleic acid, its preparation and its use | Walter Denzinger, Heinrich Hartmann, Ulrich Goeckel, Felix Richter, Hans-Juergen Raubenheimer | 1989-04-04 |
| 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 |
| 4801734 | Amphiphilic 4-alkoxypolyethoxybenzoates, their preparation and their use | Hans-Jakob Kock, Richard Baur, Heino Finkelmann, Markus Schafheutle | 1989-01-31 |