Inventor

Qichun Wan

Inventor
Midland, MI, US

Overview

7→
Patents
2013–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 7 as inventor

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

A61Kprimary
A61KPreparations for medical, dental or toiletry purposes14%
A61QSpecific use of cosmetics or similar toiletry preparations14%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form10%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients10%
C08LCompositions of macromolecular compounds10%
C09DCoating compositions, e.g. paints, varnishes or lacquers10%
C09JAdhesives10%
G03GElectrography10%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds5%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2013–2021Patents assigned to DOW GLOBAL TECHNOLOGIES LLC (7)· patent assignee history
2013–2017Patents assigned to CHURCHFIELD MECHELLE A (2)· patent assignee history
2013–2017Patents assigned to JOHNSON MICHAEL J (2)· patent assignee history
2013–2017Patents assigned to KALINOWSKI MATTHEW J (2)· patent assignee history
2013–2021Based in Midland, MI, US· patent location history
2018–2021Patents assigned to ROHM & HAAS (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DOW GLOBAL TECHNOLOGIES LLC72013–2021
ROHM & HAAS32018–2021
CHURCHFIELD MECHELLE A22013–2017
JOHNSON MICHAEL J22013–2017
KALINOWSKI MATTHEW J22013–2017
Locations
LocationPatentsSpan
Midland, MI, US72013–2021