Inventor
John Harvey Eng
Inventor
Wilmington, DE, US
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Gprimary
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds23%
C07CAcyclic or carbocyclic compounds14%
Y10TTechnical subjects covered by former us classification14%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry9%
B29BPreparation or pretreatment of the material to be shaped9%
B29CShaping or joining of plastics9%
A61KPreparations for medical, dental or toiletry purposes5%
C07KPeptides5%
C08LCompositions of macromolecular compounds5%
C12QMeasuring or testing processes involving enzymes, nucleic acids or microorganisms5%
PatentTitleYear
9,308,672'Process for preparing pellets of poly(trimethylene terephthalate)'20168,992,198'Apparatus for preparing pellets of poly(trimethylene terephthalate)'20157,531,617'Continuous process for producing poly(trimethylene terephthalate)'20097,524,921'Continuous manufacture of poly(trimethylene terephthalate)'20097,504,474'Poly(trimethylene therephthalate) continuous manufacturing process'20097,358,211'Catalyst for the production of 1,3-propanediol by catalytic hydrogenation of 3-hydroxypropanal'20086,887,953'Esterification process'20056,841,505'Titanium-zirconium catalyst compositions and use thereof'20055,424,286'Exendin-3 and exendin-4 polypeptides, and pharmaceutical compositions comprising same'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995Based in Bronx, NY, US· patent location history
2005–2016Patents assigned to DU PONT (8)· patent assignee history
2005–2016Based in Wilmington, DE, US· patent location history
2015–2016Patents assigned to ENG JOHN HARVEY (2)· patent assignee history
2015–2016Patents assigned to MADELEINE DENNIS GERARD (2)· patent assignee history
2015–2016Patents assigned to MOLITOR MICHAEL JOSEPH (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DU PONT | 8 | 2005–2016 |
| ENG JOHN HARVEYself | 2 | 2015–2016 |
| MADELEINE DENNIS GERARD | 2 | 2015–2016 |
| MOLITOR MICHAEL JOSEPH | 2 | 2015–2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Wilmington, Delaware, US | 8 | 2005–2016 |
| Bronx, New York, US | 1 | 1995 |