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Inventor

David Roy Sandbach

Inventor
Overijse, BE

Overview

5→
Patents
1983–2008
Patent span
Chemistry
Primary field (CPC C)

Patents· 5 as inventor

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

C11Dprimary
C11DDetergent compositions43%
A47LDomestic washing or cleaning29%
C07CAcyclic or carbocyclic compounds14%
C25BElectrolytic or electrophoretic processes for the production of compounds or non-metals14%
PatentTitleYear
7,442,678'Stain removal method utilizing a composition comprising hydrogen peroxide and cyclodextrin'20086,838,423'Method of stain removal from garments worn on the body'20056,832,867'Fabric treatment applicator'20046,644,879'Stain removal pen with optimal application device'20034,376,019'Halogenation process'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983Patents assigned to ICI PLC (1)· patent assignee history
1983Based in Runcorn, GB· patent location history
2003–2008Patents assigned to PROCTER & GAMBLE (4)· patent assignee history
2003–2005Based in Overijse, BE· patent location history
2008Based in Hexham, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PROCTER & GAMBLE42003–2008
ICI PLC11983
Locations
LocationPatentsSpan
Overijse, BE32003–2005
Hexham, GB12008
Runcorn, GB11983