Inventor
MEYER DONALD R
8 patents
⚠️ This page may combine multiple inventors who share the name “MEYER DONALD R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICHARDSON MERRELL INC
5 patentsUS4169897AOct 2, 1979
2,7-bis-basic ethers of 9-phenanthrol and 9-loweralkoxy phenanthrol
RICHARDSON MERRELL INC23 citations77
US3985888AOct 12, 1976
Methods of inducing sedation using certain spiroalkanone-imides
RICHARDSON MERRELL INC12 citations73
US3933893AJan 20, 1976
Derivatives of 9-phenanthrene
RICHARDSON MERRELL INC8 citations72
US4059702ANov 22, 1977
3,8-Bis-basic ethers of 6H-dibenzo[b,d]pyran-6-one
RICHARDSON MERRELL INC9 citations71
US3953455AApr 27, 1976
Derivatives of 6(5H)-phenanthridinone and a method for preparation
RICHARDSON MERRELL INC5 citations61