LexDanaLexDanabeta
Inventor

Yunfei Yan

Inventor
Shanghai, CN

Overview

2→
Patents
2018–2019
Patent span
Textiles
Primary field (CPC D)

Patents· 2 as inventor

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

B32Bprimary
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form20%
C09DCoating compositions, e.g. paints, varnishes or lacquers20%
D06NWall, floor, or like covering materials, e.g. linoleum, oilcloth, artificial leather, roofing felt, consisting of a fibrous web coated with a layer of macromolecular material20%
D21HPulp compositions20%
Y10TTechnical subjects covered by former us classification20%
PatentTitleYear
10,392,752Paper composition and process for making the same20199,963,822Polyurethane dispersion based synthetic leathers2018

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2018–2019Patents assigned to DOW GLOBAL TECHNOLOGIES LLC (2)· patent assignee history
2018–2019Patents assigned to ROHM & HAAS (2)· patent assignee history
2018Patents assigned to FENG JIANSHENG (1)· patent assignee history
2018Patents assigned to GU WEICHAO (1)· patent assignee history
2018Patents assigned to KANG NING (1)· patent assignee history
2018–2019Based in Shanghai, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DOW GLOBAL TECHNOLOGIES LLC22018–2019
ROHM & HAAS22018–2019
FENG JIANSHENG12018
GU WEICHAO12018
KANG NING12018
Locations
LocationPatentsSpan
Shanghai, CN22018–2019