Inventor
John Charkoudian
Inventor
Carlisle, MA, US
Overview
Patents· 24 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Dprimary
B01DSeparation18%
G01NInvestigating or analysing materials by determining their chemical or physical properties15%
Y10TTechnical subjects covered by former us classification10%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry8%
C07KPeptides8%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds7%
C08LCompositions of macromolecular compounds4%
C12NMicroorganisms or enzymes4%
A61JContainers specially adapted for medical or pharmaceutical purposes3%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds3%
PatentTitleYear
9,731,288'Stimulus responsive polymers for the purification of biomolecules'20179,623,353'Crosslinked cellulosic nanofiltration membranes'20179,217,048'Stimulus responsive polymers for the purification of biomolecules'20158,691,918'Stimulus responsive polymers for the purification of biomolecules'20148,143,067'Hydrophilic, high protein binding, low fluorescence, western blotting membrane'20128,132,676'Hydrophilic, high protein binding, low fluorescence, western blotting membrane'20128,114,611'Affinity chromatography matrices and methods of making and using the same'20127,919,178'Spatially-controlled modified porous membrane'20117,846,682'Affinity chromatography matrices and methods of making and using the same'20107,833,723'Affinity chromatography matrices and methods of making and using the same'20107,648,034'Coated membranes and other articles'20107,284,668'Microporous membrane substrate having caustic stable, low protein binding surface'20077,073,671'Microporous membrane substrate having caustic stable, low protein binding surface'20065,885,456'Polysulfone copolymer membranes and process'19995,883,150'Compositions of a copolymer including a sulfone polymer'19995,543,054'Method and apparatus for covalent immobilization of charge- conjugated carbohydrate molecules'19965,286,382'Hydrophobic polymeric membrane composites'19945,133,477'Packaging for adhesive dressing'19925,015,431'Process for making model skin'19914,983,170'Nasogastric device'19914,938,746'Novel nasogastric device'19904,877,454'Model human skin'19894,112,205'Battery electrolyte corrosion inhibitor'19784,006,036'Method for reducing zinc oxide content of zinc particles'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1978Based in Cambridge, MA, US· patent location history
1989–1992Patents assigned to KENDALL & CO (5)· patent assignee history
1989–1991Based in Newton, MA, US· patent location history
1992–2017Based in Carlisle, MA, US· patent location history
1994–2012Patents assigned to MILLIPORE CORP (11)· patent assignee history
2012–2017Patents assigned to EMD MILLIPORE CORP (6)· patent assignee history
2012–2014Patents assigned to CHARKOUDIAN JOHN (4)· patent assignee history
2012–2014Patents assigned to SOICE NEIL (4)· patent assignee history
2012Based in Billerica, MA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MILLIPORE CORP | 11 | 1994–2012 |
| EMD MILLIPORE CORP | 6 | 2012–2017 |
| KENDALL & CO | 5 | 1989–1992 |
| CHARKOUDIAN JOHNself | 4 | 2012–2014 |
| SOICE NEIL | 4 | 2012–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Carlisle, Massachusetts, US | 16 | 1992–2017 |
| Newton, Massachusetts, US | 4 | 1989–1991 |
| Billerica, Massachusetts, US | 2 | 2012 |
| Cambridge, Massachusetts, US | 2 | 1977–1978 |