Inventor

RIEMANN ACHIM

DE3 patents

⚠️ This page may combine multiple inventors who share the name “RIEMANN ACHIM”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ROEHM GMBH

2 patents

US4698448AOct 6, 1987

Method for making aromatic phosphorus compounds

ROEHM GMBH7 citations72

US4638099AJan 20, 1987

Method for making 4,4'-dihydroxydiphenyl ether

ROEHM GMBH3 citations59

ROENM GMBH

1 patent

US4675458AJun 23, 1987

Method for making 9,9-bis-(4-hydroxyphenyl)-fluorene

ROENM GMBH28 citations86