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Xiaofeng Zhang
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Nanjing, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Sizing method for making paper and paper prepared thereof
Patent number
10,889,939
Issue date
Jan 12, 2021
Ecolab USA Inc.
Zhi Chen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Laundry processing apparatus
Patent number
9,267,224
Issue date
Feb 23, 2016
BSH Hausgeräte GmbH
Shoufan Chen
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Patents Applications
last 30 patents
Information
Patent Application
A Sizing Method for Making Paper and Paper Prepared Thereof
Publication number
20190003125
Publication date
Jan 3, 2019
ECOLAB USA INC.
Zhi Chen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
LAUNDRY PROCESSING APPARATUS
Publication number
20140250951
Publication date
Sep 11, 2014
Shoufan Chen
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...