| 4931466 |
Crystalline form and its preparation |
Karl-Friedrich Jaeger, Karl-Heinz Koenig, Albrecht Mueller, Josef B. Pawliczek, Hans-Gert Recker +2 more |
1990-06-05 |
| 4855140 |
O-(O-ethyl-S-alkylphosphoryl)-O-(carbamyl)-pyrocatechol derivatives |
Wolfgang Seppelt, Linhard Sproesser, Peter Hofmeister, Christoph Kuenast |
1989-08-08 |
| 4788324 |
Preparation of o-(1-methoxy-2-chloro)-ethoxyphenyl N-methylcarbamate |
Gernot Reissenweber, Detlef Doehnert |
1988-11-29 |
| 4537986 |
Preparation of pyrocatechol methylcarbamate |
Gernot Reissenweber, Walter Ditter, Peter Jacobs |
1985-08-27 |
| 4348240 |
Process for deactivating soluble metal cations in iron oxide pigments |
Arvind S. Patil, Werner Fliege |
1982-09-07 |
| 4200501 |
Silicate fouling control during dihydric alcohol distillation |
Edward J. Panek, Werner O. Moll, Lee H. Bergman |
1980-04-29 |
