P

Inventor

MARKELL CRAIG G

US23 patents
⚠️ This page may combine multiple inventors who share the name “MARKELL CRAIG G”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MINNESOTA MINING & MFG

19 patents
US5328758AJul 12, 1994

Particle-loaded nonwoven fibrous article for separations and purifications

MINNESOTA MINING & MFG173 citations99
US5071610ADec 10, 1991

Method of making a controlled pore composite polytetrafluoroethylene

MINNESOTA MINING & MFG129 citations98
US5738790AApr 14, 1998

Composite membranes for solid phase extractions and reactions

MINNESOTA MINING & MFG37 citations96
US5635060AJun 3, 1997

Composite membranes for solid phase extractions and reactions

MINNESOTA MINING & MFG40 citations96
US5595649AJan 21, 1997

Particle-loaded nonwoven fibrous article for separations and purifications

MINNESOTA MINING & MFG70 citations96
US5529686AJun 25, 1996

Composite membranes for solid phase extractions and reactions

MINNESOTA MINING & MFG36 citations96
US5415779AMay 16, 1995

Particle-loaded nonwoven fibrous article for separations and purifications

MINNESOTA MINING & MFG66 citations96
US5207915AMay 4, 1993

Separation method using controlled pore composite polytetrafluoroethylene article

MINNESOTA MINING & MFG59 citations96
US5279742AJan 18, 1994

Solid phase extraction medium

MINNESOTA MINING & MFG89 citations94
US5639372AJun 17, 1997

Composite membranes for solid phase extractions and reactions

MINNESOTA MINING & MFG22 citations93
US5403489AApr 4, 1995

Solid phase extraction method and apparatus

MINNESOTA MINING & MFG31 citations93
US5616407AApr 1, 1997

Self-wettable solid phase extraction medium

MINNESOTA MINING & MFG28 citations92
US5248428ASep 28, 1993

Article for separations and purifications and method of controlling porosity therein

MINNESOTA MINING & MFG48 citations92
US5238621AAug 24, 1993

Method of controlling porosity in a composite article

MINNESOTA MINING & MFG40 citations92
US5147539ASep 15, 1992

Controlled pore composite polytetrafluoroethylene article

MINNESOTA MINING & MFG53 citations92
USRE36811EAug 8, 2000

Solid phase extraction medium

MINNESOTA MINING & MFG21 citations90
US5618438AApr 8, 1997

Method of isolating an analyte using a solid phase extraction medium

MINNESOTA MINING & MFG31 citations88
US5340746AAug 23, 1994

Composite reactive articles for the determination of cyanide

MINNESOTA MINING & MFG15 citations82
US5470532ANov 28, 1995

Composite reactive articles for the determination of cyanide

MINNESOTA MINING & MFG12 citations73

3M INNOVATIVE PROPERTIES CO

3 patents

BROOKS BRIAN E

1 patent