Inventor
John G. Smigo
Inventor
Macungie, PA, US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Fprimary
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds33%
D21HPulp compositions33%
C02FTreatment of water, waste water, sewage, or sludge17%
G21FProtection against x-radiation, gamma radiation, corpuscular radiation or particle bombardment17%
PatentTitleYear
5,324,787'Modification of poly (vinylamine)'19945,281,307'Crosslinked vinyl alcohol/vinylamine copolymers for dry end paper addition'19945,232,553'Fines retention in papermaking with amine functional polymers'19935,185,083'Separation of solids from aqueous suspensions using modified amine functional polymers'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–1994Patents assigned to AIR PROD & CHEM (4)· patent assignee history
1993–1994Based in Macungie, PA, US· patent location history
1994Based in Whitehall, PA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AIR PROD & CHEM | 4 | 1993–1994 |
Locations
| Location | Patents | Span |
|---|---|---|
| Macungie, Pennsylvania, US | 3 | 1993–1994 |
| Whitehall, Pennsylvania, US | 1 | 1994 |