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 patentsUS4526896AJul 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 patentsUS4326532AApr 27, 1982
Antithrombogenic articles
MINNESOTA MINING & MFG302 citations98
US5562127AOct 8, 1996
Flexible, chlorine free multilayered tubing
MINNESOTA MINING & MFG149 citations97
US5117304AMay 26, 1992
Retroreflective article
MINNESOTA MINING & MFG224 citations96
US5712044AJan 27, 1998
Medical device assemblies constructed from multilayered films
MINNESOTA MINING & MFG49 citations95
US4948859AAug 14, 1990
Extruder polymerization of polyurethanes
MINNESOTA MINING & MFG64 citations92
US5766744AJun 16, 1998
Chlorine-free multilayered films
MINNESOTA MINING & MFG31 citations90