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Inventor

Donald M. Gunn

Inventor
Stockport, GB

Overview

3→
Patents
1989–1996
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

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

C09Dprimary
C09DCoating compositions, e.g. paints, varnishes or lacquers33%
C07DHeterocyclic compounds22%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments22%
G03GElectrography22%
PatentTitleYear
RE035145'Substituted phthalocyanine'19965,102,448'Ink-jet printing'19924,824,948'Substituted phthalocyanine'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1992Patents assigned to ICI PLC (2)· patent assignee history
1989–1996Based in Stockport, GB· patent location history
1996Patents assigned to ZENECA LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ICI PLC21989–1992
ZENECA LTD11996
Locations
LocationPatentsSpan
Stockport, GB31989–1996