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Inventor

Ke Zhang

Inventor
Shanghai, CN

Overview

5→
Patents
2008–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 5 as inventor

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

A61Kprimary
A61KPreparations for medical, dental or toiletry purposes20%
B28BShaping clay or other ceramic compositions20%
C04BLime, magnesia20%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations10%
C01FCompounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare-earth metals10%
C07CAcyclic or carbocyclic compounds10%
Y10TTechnical subjects covered by former us classification10%
PatentTitleYear
10,793,472Anti-sagging gypsum product and a method to manufacture202010,301,242Method for extracting cannabidiol from cannabis20199,133,060'Chemical additive for gypsum products'20157,645,466'Methods for deriving, isolating, and/or extracting amino acid compositions from Fenugreek seed'20107,338,675'Fenugreek seed bio-active compositions and methods for extracting same'2008

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2008–2010Based in Fujian, CN· patent location history
2010Patents assigned to TSI GROUP LTD (1)· patent assignee history
2015–2020Patents assigned to SAINT GOBAIN PLACO (2)· patent assignee history
2015–2020Based in Shanghai, CN· patent location history
2019Based in Kunming, 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

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SAINT GOBAIN PLACO22015–2020
GAO XIAOTONG12020
LI HUIFEN12020
SONG HAO12020
TSI GROUP LTD12010
Locations
LocationPatentsSpan
Shanghai, CN22015–2020
Fujian, CN22008–2010
Kunming, CN12019