Inventor

Ashok Sengupta

Inventor
London, CA

Overview

12→
Patents
1996–2008
Patent span
Chemistry
Primary field (CPC C)

Patents· 12 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 bonds31%
C09DCoating compositions, e.g. paints, varnishes or lacquers14%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry7%
B82YSpecific uses or applications of nanostructures7%
C08LCompositions of macromolecular compounds7%
C09KMaterials for miscellaneous applications, not provided for elsewhere7%
E21DShafts7%
Y10TTechnical subjects covered by former us classification7%
A01NPreservation of bodies of humans or animals or plants or parts thereof3%
A61LMethods or apparatus for sterilising materials or objects in general3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–1998Patents assigned to MINNESOTA MINING & MFG (2)· patent assignee history
1996–2008Based in London, CA· patent location history
2000–2008Patents assigned to 3M INNOVATIVE PROPERTIES CO (10)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
3M INNOVATIVE PROPERTIES CO102000–2008
MINNESOTA MINING & MFG21996–1998
Locations
LocationPatentsSpan
London, CA121996–2008