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Inventor

Kevin Birkett

Inventor
Manchester, GB

Overview

3→
Patents
1978–1995
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.

C08Gprimary
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds14%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients14%
C08LCompositions of macromolecular compounds14%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments14%
C09DCoating compositions, e.g. paints, varnishes or lacquers14%
C23FNon-mechanical removal of metallic material from surface14%
Y10TTechnical subjects covered by former us classification14%
PatentTitleYear
5,418,280'Dispersed particulate composition'19954,493,876'Corrosion inhibition'19854,067,865'Water-soluble diazotized amino azo dyestuff coupled with an amino-phenyl or -naphthyl component'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978Patents assigned to ICI LTD (1)· patent assignee history
1978–1985Based in Manchester, GB· patent location history
1985–1995Patents assigned to ICI PLC (2)· patent assignee history
1995Based in Bury, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ICI PLC21985–1995
ICI LTD11978
Locations
LocationPatentsSpan
Manchester, GB21978–1985
Bury, GB11995