Inventor

HAMER RICHARD L

US5 patents

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

HOECHST ROUSSEL PHARMA

3 patents

US5541216AJul 30, 1996

Memory enhancing and analgsic 1,2,3,3A,8,8A-Hexahydro--3A, 8(And1,3A,8)-Di (and Tri) Methylpyrrolo(2,3-B Indoles

HOECHST ROUSSEL PHARMA9 citations81

US5547977AAug 20, 1996

Memory enhancing and analgesic 1,2,3,3A,8,8A-hexahydro-3A,8(and 1,3A,8)-di (and Tri) methylpyrrolo (2,3-B) indoles

HOECHST ROUSSEL PHARMA4 citations73

US5541340AJul 30, 1996

Method of preparing 1,2,3,3a,8,8a-hexahydro-3a,8(and 1,3a,8)-Di(and Tri)methylpyrrolo[2,3,-b] indoles

HOECHST ROUSSEL PHARMA5 citations73

HOECHST MARION ROUSSEL INC

2 patents

US5621114AApr 15, 1997

Method for preparing 1, 2, 3, 3A, 8, 8A-hexahydro-3A, 8 (and 1, 3A, 8)--DI (and TRI) methylpyrrolo[2,3-B] indoles

HOECHST MARION ROUSSEL INC3 citations73

US5663190ASep 2, 1997

Memory enhancing and analgesic 1,2,3,3a,8,8a-Hexahydro-3a,8(and 1,3a,8)-Di (and Tri)methylpyrrolo(2,3-b) indoles

HOECHST MARION ROUSSEL INC1 citations62