Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4824603 | Amphoteric and zwitter-ionic phosphate surfactants | Ulrich Zeidler | 1989-04-25 |
| 4801601 | N-substituted polyglycidyl urazole compounds, processes for their production and pharmaceutical preparations | Herbert Fischer, Brigitte Hase, Hans-Christoph Wilk, Ulrich Zeidler | 1989-01-31 |
| 4659824 | Acid addition products of N-glycidyl compounds | — | 1987-04-21 |
| 4562068 | Sebosuppressive cosmetic preparations containing aryloxobutenoic acid derivatives | Siegfried Wallat | 1985-12-31 |
| 4545984 | Arene-carboxylic acid derivatives as antiseborrheic additives for cosmetic agents | Siegfried Wallat, Friedhelm Bartnik | 1985-10-08 |
| 4528286 | Method of using certain aryl-mercapto-lower-alkanamides as antiseborrheic agents | Siegfried Wallat | 1985-07-09 |
| 4496536 | Sebosuppressive cosmetic preparations containing long-chained _alkanols and antioxidants | Siegfried Wallat, Horst Hoffkes, Karl Giede | 1985-01-29 |
| 4493823 | Topical cosmetic preparations for the treatment of oily hair and seborrheic skin | Siegfried Wallat, Friedhelm Bartnik, Wolfgang Pittermann | 1985-01-15 |
| 4463006 | Diglycidyl-pteridine compounds | Brigitte Hase, Gunther Konrad, Hans-Christoph Wilk, Ulrich Zeidler | 1984-07-31 |
| 4460590 | Diglycidyl substituted heterocyclic compounds | — | 1984-07-17 |
| 4439418 | Topical preparations for the treatment of seborrhea and process for inhibiting sebum production | Siegfried Wallat, Friedhelm Bartnik | 1984-03-27 |
| 4425327 | Method of suppressing body odor with aminobenzoic acid amides | Rainer Osberghaus | 1984-01-10 |
| 4382765 | Method of moisturizing the skin with carbamide acid esters | Rainer Osberghaus, Manfred Budnowski | 1983-05-10 |
| 4376120 | Therapeutic compositions with a cytostatic action containing isocyanuric acid derivatives and process of manufacture | Ulrich Zeidler, Herbert Fischer, Brigitte Hase, Hans-Christoph Wilk | 1983-03-08 |
| 4371370 | Oxidation hair dyes comprising bis-(2,4-diaminophenoxy)-alkanols as coupling components | David Rose, Norbert Maak | 1983-02-01 |
| 4220593 | 2-Cyclopropyl-4-isopropyl-2,5,5-trimethyl-1,3-dioxane as odorant | Klaus Bruns, Jens Conrad, Peter Meins, Harald Schnegelberger | 1980-09-02 |