Inventor
Ellen C. Bellantoni
Inventor
Framingham, MA, US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Dprimary
B01DSeparation33%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests22%
Y10TTechnical subjects covered by former us classification22%
B29DProducing particular articles from plastics or from substances in a plastic state11%
G02BOptical elements, systems or apparatus11%
PatentTitleYear
5,698,281'Composite ultrafiltration membrane'19975,158,721'Porous membrane formed from interpenetrating polymer network having hydrophilic surface'19925,079,272'Porous membrane formed from interpenetrating polymer network having hydrophilic surface'19924,620,954'Hydrogel from ultraviolet-initiated copolymerization'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986Patents assigned to CIBA VISION CARE CORP (1)· patent assignee history
1986Based in Natick, MA, US· patent location history
1992–1997Patents assigned to MILLIPORE CORP (3)· patent assignee history
1992–1997Based in Framingham, MA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MILLIPORE CORP | 3 | 1992–1997 |
| CIBA VISION CARE CORP | 1 | 1986 |
Locations
| Location | Patents | Span |
|---|---|---|
| Framingham, Massachusetts, US | 3 | 1992–1997 |
| Natick, Massachusetts, US | 1 | 1986 |