Hongfa LI

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Liaocheng, CN

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Patents Grantslast 30 patents

Information Patent Grant
Humic acid composition and application thereof
- Patent number 10,059,632
- Issue date Aug 28, 2018
- SHANDONG TRALIN PAPER CO., LTD.
- Hongfa Li
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Corn stalk material, a method and apparatus for preparing it
- Patent number 9,420,745
- Issue date Aug 23, 2016
- SHANDONG TRALIN PAPER CO., LTD.
- Hongfa Li
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Circular utilization method in pulping and papermaking processes wi...
- Patent number 8,778,135
- Issue date Jul 15, 2014
- Shandong Tralin Paper Co., Ltd.
- Hongfa Li
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Raw Paper
- Patent number 8,771,465
- Issue date Jul 8, 2014
- Shandong Fuyin Paper & Environmental Protection Technology Co., Ltd
- Hongfa Li
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for preparing a grass-type unbleached paper product
- Patent number 8,303,772
- Issue date Nov 6, 2012
- Shangdong Fuyin Paper & Environmental Protection Technology Co., Ltd.
- Hongfa Li
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
HUMIC ACID COMPOSITION AND APPLICATION THEREOF
- Publication number 20170129820
- Publication date May 11, 2017
- Shandong Tralin Paper Co., Ltd
- Hongfa LI
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Application
CORN STALK MATERIAL, A METHOD AND APPARATUS FOR PREPARING IT
- Publication number 20140230395
- Publication date Aug 21, 2014
- Shandong Tralin Paper Co., Ltd
- Hongfa LI
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
CIRCULAR UTILIZATION METHOD IN PULPING AND PAPERMAKING PROCESSES WI...
- Publication number 20120325421
- Publication date Dec 27, 2012
- SHANDONG TRALIN PAPER CO., LTD.
- Hongfa Li
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
RAW PAPER AND PRODUCTION METHOD AND APPLICATION THEREOF
- Publication number 20110297343
- Publication date Dec 8, 2011
- SHANDONG FUYIN PAPER & ENVIROMENTAL PROTECTION TECHNOLOGY CO., LTD.
- Hongfa Li
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
GRASS TYPE UNBLEACHED PAPER PRODUCTS AND PRODUCTION METHOD THEREOF
- Publication number 20110061825
- Publication date Mar 17, 2011
- SHANDONG FUYIN PAPER & ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD.
- Hongfa Li
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE