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Inventor

Christopher J. Tonge

Inventor
Darwen, GB

Overview

2→
Patents
1988–1993
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

C08Fprimary
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds40%
C09DCoating compositions, e.g. paints, varnishes or lacquers40%
C08LCompositions of macromolecular compounds20%
PatentTitleYear
5,204,388'Aqueous surface coating material prepared by emulsion polymerization'19934,764,554'Thickeners for emulsion paints'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–1993Patents assigned to CROWN DECORATIVE PROD LTD (2)· patent assignee history
1988–1993Based in Darwen, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CROWN DECORATIVE PROD LTD21988–1993
Locations
LocationPatentsSpan
Darwen, GB21988–1993