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Inventor

Zhirong FAN

Inventor
DE

Overview

2→
Patents
2023–2025
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.

C08Gprimary
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds33%
C09DCoating compositions, e.g. paints, varnishes or lacquers33%
C08JWorking-up17%
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 material17%
PatentTitleYear
12,435,177Aqueous polyurethane resin composition and coating material using the composition202511,685,805Aqueous dispersion of polyurethane2023

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2023–2025Patents assigned to COVESTRO DEUTSCHLAND AG (2)· patent assignee history
2023Based in CN· patent location history
2025Based in DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
COVESTRO DEUTSCHLAND AG22023–2025
Locations
LocationPatentsSpan
DE12025
CN12023