Inventor

Chaucer C. Tang

Inventor

Kennett Square, PA, US

Overview

1985–2015

Patent span

Chemistry

Primary field (CPC C)

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C08Lprimary

C08LCompositions of macromolecular compounds18%

C09DCoating compositions, e.g. paints, varnishes or lacquers18%

Y10TTechnical subjects covered by former us classification14%

A01NPreservation of bodies of humans or animals or plants or parts thereof9%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form9%

B41MPrinting, duplicating, marking, or copying processes9%

B44FSpecial designs or pictures9%

C07CAcyclic or carbocyclic compounds5%

C07DHeterocyclic compounds5%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients5%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1985–2012Patents assigned to DU PONT (8)· patent assignee history

1985Based in Wilmington, DE, US· patent location history

1990Based in Bloomfield Hills, MI, US· patent location history

1998–2015Based in Kennett Square, PA, US· patent location history

2012–2015Patents assigned to TANG CHAUCER C (2)· patent assignee history

2015Patents assigned to ELWAKIL HAMDY A (1)· patent assignee history

2015Patents assigned to KURARAY AMERICA INC (1)· patent assignee history

2015Patents assigned to ROMAN RONALD (1)· patent assignee history

Assignee and location history derived from the patent record.

Assignees

Locations

Location	Patents	Span
Kennett Square, Pennsylvania, US	6	1998–2015
Bloomfield Hills, MI, US	2	1990
Wilmington, Delaware, US	1	1985