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Inventor

Huifen Li

Inventor
Shanghai, CN

Overview

2→
Patents
2015–2020
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.

B28Bprimary
B28BShaping clay or other ceramic compositions33%
C04BLime, magnesia33%
C01FCompounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare-earth metals17%
Y10TTechnical subjects covered by former us classification17%
PatentTitleYear
10,793,472Anti-sagging gypsum product and a method to manufacture20209,133,060'Chemical additive for gypsum products'2015

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2015–2020Patents assigned to SAINT GOBAIN PLACO (2)· patent assignee history
2015–2020Based in Shanghai, CN· patent location history
2020Patents assigned to GAO XIAOTONG (1)· patent assignee history
2020Patents assigned to LI HUIFEN (1)· patent assignee history
2020Patents assigned to SONG HAO (1)· patent assignee history
2020Patents assigned to ZHANG KE (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SAINT GOBAIN PLACO22015–2020
GAO XIAOTONG12020
LI HUIFENself12020
SONG HAO12020
ZHANG KE12020
Locations
LocationPatentsSpan
Shanghai, CN22015–2020