Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4650863 | Preparation of water-soluble mixed cellulose ethers | Gerhard Buchberger | 1987-03-17 |
| 4638058 | Ethers of beta-cyclodextrin and a process for their preparation | Lothar Brandt | 1987-01-20 |
| 4582900 | Water-soluble mixed ethers of .beta.-cyclodextrin and a process for their preparation | Lothar Brandt | 1986-04-15 |
| 4550161 | Preparing water-soluble mixed cellulose ethers | Gerhard Buchberger | 1985-10-29 |
| 4526961 | Process for etherifying cellulose with alkyl monochloroacetates | Eberhard Perplies | 1985-07-02 |
| 4501887 | Preparing cellulose ethers in a dimethoxyethane/(dispersing auxiliary) medium | Wolfgang Kornrumpf, Eberhard Perplies, Josef Hilbig | 1985-02-26 |
| 4474950 | Cellulose ethers having improved dispersing properties | Helmut Berenbold | 1984-10-02 |
| 4460766 | Dispersing auxiliary for preparing cellulose ethers | Eberhard Perplies | 1984-07-17 |
| 4348337 | Process for the manufacture of 1-halogen-1-oxo-.DELTA..sup.3 -phospholenes | — | 1982-09-07 |
| 4329303 | Process for the preparation of 1-oxo-phospholane-chloro-hydrins | — | 1982-05-11 |
| 4263231 | Process for the manufacture of 3-acyl-2-alkyl- and 3-acyl-2-aryl-1,3,2-benzoxazaphospholanes | — | 1981-04-21 |
| 4247488 | Process for the preparation of 1-oxophosphol-.DELTA..sup.3 -enes | — | 1981-01-27 |