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Inventor

HAMMAR WALTON J

US24 patents
⚠️ This page may combine multiple inventors who share the name “HAMMAR WALTON J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RIKER LABORATORIES INC

16 patents
US4526896AJul 2, 1985

Tetrazol-5-yl 2-nitro-3-phenylbenzofurans and antimicrobial use thereof

RIKER LABORATORIES INC35 citations92
US4143154AMar 6, 1979

Anti-microbial 2-nitro-3-phenyl benzofurans substituted by carboxy containing group

RIKER LABORATORIES INC6 citations74
US4153716AMay 8, 1979

Oxy, thio, sulfenyl and sulfonyl derivatives of 2-nitro-3-phenylbenzofuran

RIKER LABORATORIES INC3 citations63
US4153721AMay 8, 1979

Derivatives of 2-nitrobenzofuran

RIKER LABORATORIES INC3 citations62
US4143152AMar 6, 1979

Anti-microbial (2-nitro-3-phenyl benzofuranyl)-phenylalkanoic acids and derivatives

RIKER LABORATORIES INC3 citations62
US3950407AApr 13, 1976

Process for preparing dibenzo[a,d]cycloheptenes

RIKER LABORATORIES INC5 citations62
US4675320AJun 23, 1987

Aminoalkyl and aminoalkoxy derivatives of 2-nitro-3-phenylbenzofuran

RIKER LABORATORIES INC0 citations52
US4209633AJun 24, 1980

9-10 Ethanoanthracene derivatives

RIKER LABORATORIES INC0 citations52
US4208335AJun 17, 1980

Acidic 3-phenylbenzofurans

RIKER LABORATORIES INC0 citations52
US4104475AAug 1, 1978

Dibenzo[a,d]cycloheptenes

RIKER LABORATORIES INC0 citations52
US4275221AJun 23, 1981

Derivatives of 2-nitrobenzofuran

RIKER LABORATORIES INC0 citations51
US4258213AMar 24, 1981

Derivatives of 2-nitrobenzofuran

RIKER LABORATORIES INC0 citations51
US4247469AJan 27, 1981

Certain mono-bromo bis-phenyl benzofurans

RIKER LABORATORIES INC0 citations51
US4246179AJan 20, 1981

Certain benzofuran benzene acetic acid type compounds

RIKER LABORATORIES INC0 citations51
US4208337AJun 17, 1980

Diphenylbenzofuran compounds

RIKER LABORATORIES INC0 citations51
US4172205AOct 23, 1979

Phenylalkanoic acid derivatives

RIKER LABORATORIES INC0 citations51

MINNESOTA MINING & MFG

6 patents

MINNESTA MINING AND MANUFACTUR

1 patent

3M INNOVATIVE PROPERTIES CO

1 patent