Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5304669 | Process for the production of alkyl sulfate pastes having improved flow properties | Frank Wangemann, Rainer Hofmann, Bernd Fabry | 1994-04-19 |
| 5164124 | Alkaline earth metal salts of vicinally hydroxy, alkoxy-substituted C.sub.16 -C.sub.22 fatty acids, a process for their production and their use as alkoxylation catalysts | Bert Gruber, Alfred Meffert, Ansgar Behler | 1992-11-17 |
| 5114428 | Hair dye preparation | Horst Hoeffkes, Dieter Schrader | 1992-05-19 |
| 4919923 | Cosmetic emulsions having improved flow behavior | Horst Hoeffkes, Achim Ansmann | 1990-04-24 |
| 4883604 | Smoothing compositions for textile fibers containing dialkyl ethers of (poly)alkylene glycols | Rudolf Veitenhansl, Peter Waltenberger, Guenter Uphues, Uwe Ploog | 1989-11-28 |
| 4874554 | Quaternary ammonium compounds | Peter Busch, Klaus Thiele | 1989-10-17 |
| 4832868 | Liquid surfactant mixtures | Karl Schmid, Alfred Meffert | 1989-05-23 |
| 4820511 | Hair care and aftertreatment preparations | Horst Hoeffkes, Karl Giede | 1989-04-11 |
| 4820436 | Detergents for low laundering temperatures | Hans Andree, Horst Baumann, Manfred Biermann, Frantisek Jost, Horst-Juergen Krause +9 more | 1989-04-11 |
| 4784801 | Hair treatment preparations | Horst Hoeffkes, Karl Giede | 1988-11-15 |
| 4745231 | Alkylene oxide block polymers usable as defoamers | Rainer Hoefer, Karl Schmid, Adolf Asbeck, Klaus Herrmann | 1988-05-17 |
| 4650865 | Process for preparing tertiary ether amines | Alfred Meffert | 1987-03-17 |
| 4621573 | Apparatus for cleaning fruits and vegetables | — | 1986-11-11 |
| 4357277 | Novel process for the preparation of N,N'-bisacyl hydrazides | Winfried Orth, Werner Fickert | 1982-11-02 |
| 4332728 | Process for the preparation of bisacyl hydrazines | Winfried Orth, Werner Fickert | 1982-06-01 |