Qinglong Rao

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Papermaking process of increasing ash content of a paper product an...
- Patent number 10,697,121
- Issue date Jun 30, 2020
- Ecolab USA Inc.
- Qinglong Rao
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Compositions and methods for treating filler in papermaking
- Patent number 10,669,672
- Issue date Jun 2, 2020
- Ecolab USA Inc.
- Qinglong Rao
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
COMPOSITIONS AND METHODS FOR TREATING FILLER IN PAPERMAKING
- Publication number 20190055696
- Publication date Feb 21, 2019
- ECOLAB USA INC.
- Qinglong RAO
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
A Papermaking Process of Increasing Ash Content of a Paper Product...
- Publication number 20170328004
- Publication date Nov 16, 2017
- ECOLAB USA INC.
- Qinglong Rao
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE