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Inventor

Yongge Yao

Inventor
Changsha, CN

Overview

1→
Patents
2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 1 as inventor

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

C01Gprimary
C01GCompounds containing metals not covered by subclasses c01d or c01f25%
C02FTreatment of water, waste water, sewage, or sludge25%
C22BProduction and refining of metals25%
Y02PClimate change mitigation technologies in the production or processing of goods25%
PatentTitleYear
10,577,676Process for recycling chromium from waste water containing hexavalent chromium2020

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2020Patents assigned to HUNAN YONKER ENVIRONMENTAL PROTECTION RES INSTITUTE CO LTD (1)· patent assignee history
2020Based in Changsha, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HUNAN YONKER ENVIRONMENTAL PROTECTION RES INSTITUTE CO LTD12020
Locations
LocationPatentsSpan
Changsha, CN12020