Inventor
David D. Zhang
Inventor
Wilmington, DE, US
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Lprimary
C08LCompositions of macromolecular compounds24%
Y10TTechnical subjects covered by former us classification16%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form14%
C09JAdhesives14%
B29CShaping or joining of plastics8%
C08JWorking-up5%
E04DRoof coverings5%
B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers3%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds3%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds3%
PatentTitleYear
10,696,771Method of incorporating ethylene copolymers into latex20209,688,848'Laminar articles with good hydrocarbon barrier'20179,206,316'Thermoplastic elastomer compositions'20159,119,275'Ballast with temperature compensation'20158,722,761'Plastic surfaces having improved surface characteristics'20148,512,838'Laminar articles with good hydrocarbon barrier'20138,048,957'Modifier for polycarbonate/acrylonitrile-butadiene-styrene blends'20117,834,089'Ionomeric ethylene vinyl alcohol compositions'20106,299,985'Adhesive compositions based on blends of grafted metallocene catalyzed and polar ethylene copolymers'20016,166,142'Adhesive compositions based on blends of grafted metallocene catalyzed and polar ethylene copolymers'20005,574,108'Extrudable adhesive compositions and methods relating thereto'19965,516,583'Adhesive for tamper evident seals'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996–2017Patents assigned to DU PONT (10)· patent assignee history
1996Based in Newark, DE, US· patent location history
2000–2020Based in Wilmington, DE, US· patent location history
2013–2014Patents assigned to ZHANG DAVID D (2)· patent assignee history
2013Patents assigned to GRIFFIN ELIZABETH R (1)· patent assignee history
2015Patents assigned to GEN ELECTRIC (1)· patent assignee history
2015Based in Shanghai, CN· patent location history
2020Patents assigned to PERFORMANCE MAT NA INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DU PONT | 10 | 1996–2017 |
| ZHANG DAVID Dself | 2 | 2013–2014 |
| GEN ELECTRIC | 1 | 2015 |
| GRIFFIN ELIZABETH R | 1 | 2013 |
| PERFORMANCE MAT NA INC | 1 | 2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Wilmington, Delaware, US | 9 | 2000–2020 |
| Newark, Delaware, US | 2 | 1996 |
| Shanghai, CN | 1 | 2015 |