Inventor

WELLS GREGORY J

US64 patents

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

WELLS GREGORY J

VARIAN ASSOCIATES

Mass scanning method using an ion trap mass spectrometer

Quadrupole trap improved technique for ion isolation

Method of high mass resolution scanning of an ion trap mass spectrometer

Method of detecting selected ion species in a quadrupole ion trap

Method of space charge control in an ion trap mass spectrometer

Method of space charge control for improved ion isolation in an ion trap mass spectrometer by dynamically adaptive sampling

Quadrupole trap ion isolation method

Quadrupole trap improved technique for collisional induced disassociation for MS/MS processes

Method and device for on-column injection of a liquid sample into small diameter columns

Method of selective ion trapping for quadrupole ion trap mass spectrometers

MSn using CID

Frequency modulated selected ion species isolation in a quadrupole ion trap

Spectroscopic plasma torch for microwave induced plasmas

High temperature flame jet for gas chromatography

Methods of using ion trap mass spectrometers

Method and apparatus for sample confirmation in gas chromatography

Reagent gas control for an ion trap mass spectrometer used in the chemical ionization mode

Microwave excited helium plasma photoionization detector

Sample valve for solute modulated synchronous detection

Sample inlet system for an electron capture detector

Sample modulator cell for gas chromatography

Background correction method for use in gas chromatography

VARIAN INC

Asymmetric-field ion guiding devices

Linear ion trap apparatus and method utilizing an asymmetrical trapping field

Ion trap mass spectrometer using pre-calculated waveforms for ion isolation and collision induced dissociation

Pulsed ion source for ion trap mass spectrometer

Pneumatically assisted electrospray device with alternating pressure gradients for mass spectrometry

Vortex gas flow interface for electrospray mass spectrometry

Two-dimensional electrode constructions for ion processing

Adjusting field conditions in linear ion processing apparatus for different modes of operation

Field conditions for ion excitation in linear ion processing apparatus

Increasing ion kinetic energy along axis of linear ion processing devices

Rotating excitation field in linear ion processing apparatus

Ion fragmentation parameter selection systems and methods

Vortex flow atmospheric pressure chemical ionization source for mass spectrometry

Multiple liquid flow electrospray interface

Integrated ion focusing and gating optics for ion trap mass spectrometer

DU PONT

Substituted 1,2,3-triazole angiotensin II antagonists

Treatment of hypertension with 1,2,4-angiotensin II antagonists

Substituted 1,2,4-triazole angiotensin II antagonists

Substituted pyrrole angiotensin II antagonists

Substituted pyrazole angiotensin II antagonists

CEPHALON INC

Peptide-containing α-ketoamide cysteine and serine protease inhibitors

Peptidyl-containing α-ketoamide cysteine and serine protease inhibitors

Benzothiazo and related heterocyclic group-containing cysteine and serine protease inhibitors

(unassigned)

Frequency modulated selected ion species isolation in a quadrupole ion trap

Frequency modulated selected ion species isolation in a quadrupole ion trap

AHMED GULZAR

Fused bicyclic derivatives of 2,4-diaminopyrimidine as ALK and c-MET inhibitors

Fused bicyclic derivatives of 2,4-diaminopyrimidine as ALK and c-Met inhibitors

WELLS GREGORY J

Electron capture dissociation apparatus and related methods