Inventor
APFFEL JR JAMES A
US11 patents
⚠️ This page may combine multiple inventors who share the name “APFFEL JR JAMES A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HEWLETT PACKARD CO
5 patentsUS5495108AFeb 27, 1996
Orthogonal ion sampling for electrospray LC/MS
HEWLETT PACKARD CO105 citations97
US5331159AJul 19, 1994
Combined electrospray/particle beam liquid chromatography/mass spectrometer
HEWLETT PACKARD CO45 citations91
US5447553ASep 5, 1995
Method for interfacing liquid chromatography-mass spectrometry systems
HEWLETT PACKARD CO16 citations78
US4784962ANov 15, 1988
Mixture of amino acid derivatives, process of producing the mixture and use of the mixture for quantitative determination of the amino acids
HEWLETT PACKARD CO7 citations72
US5223131AJun 29, 1993
Apparatus for interfacing liquid chromatography-mass spectrometry systems
HEWLETT PACKARD CO12 citations70
AGILENT TECHNOLOGIES INC
5 patentsUS6649908B2Nov 18, 2003
Multiplexing capillary array for atmospheric pressure ionization-mass spectrometry
AGILENT TECHNOLOGIES INC44 citations92
USRE36892EOct 3, 2000
Orthogonal ion sampling for electrospray .[.LC/MS.]. mass spectrometry
AGILENT TECHNOLOGIES INC28 citations92
US6797946B2Sep 28, 2004
Orthogonal ion sampling for APCI mass spectrometry
AGILENT TECHNOLOGIES INC12 citations82
US6379889B1Apr 30, 2002
Multiplexing methods for identifying nucleic acids using denaturing liquid chromatography
AGILENT TECHNOLOGIES INC18 citations81
US6639216B2Oct 28, 2003
Orthogonal ion sampling for APCI mass spectrometry
AGILENT TECHNOLOGIES INC11 citations73