Inventor

William A. MacDonald

Inventor
Guisborough, GB

Overview

13→
Patents
1983–2015
Patent span
Chemistry
Primary field (CPC C)

Patents· 13 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 bonds19%
C08JWorking-up13%
Y10TTechnical subjects covered by former us classification9%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form6%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients6%
C08LCompositions of macromolecular compounds6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
B29CShaping or joining of plastics4%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts4%
H05BElectric heating4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–1993Patents assigned to ICI PLC (6)· patent assignee history
1983–1985Based in Ware, GB· patent location history
1989–2010Based in Guisborough, GB· patent location history
2006–2015Patents assigned to DUPONT TEIJIN FILMS US LTD (6)· patent assignee history
2006–2013Based in Cleveland, GB· patent location history
2013Patents assigned to ATTARD JULIAN PETER (1)· patent assignee history
2013Patents assigned to BOYCE DAVID (1)· patent assignee history
2013Patents assigned to DUPONT TEIJIN FILMS U S LTD (1)· patent assignee history
2015Based in Redcar, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DUPONT TEIJIN FILMS US LTD62006–2015
ICI PLC61983–1993
ATTARD JULIAN PETER12013
BOYCE DAVID12013
DUPONT TEIJIN FILMS U S LTD12013
Locations
LocationPatentsSpan
Guisborough, GB51989–2010
Cleveland, GB42006–2013
Redcar, GB22015
Ware, GB21983–1985