Yongsheng Hou

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Weifang City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Preparation method of phenoxycarboxylic acid herbicides
- Patent number 11,040,933
- Issue date Jun 22, 2021
- SHANDONG RAINBOW BIOTECH CO., LTD.
- Guoqing Sun
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Water-soluble granule formulation of 2,4-D salt and preparation met...
- Patent number 9,854,798
- Issue date Jan 2, 2018
- Shangdong Weifang Rainbow Chemical Co., Ltd.
- Guoqing Sun
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Water-soluble granule formulation of 2,4-D salt and preparation met...
- Patent number 9,408,384
- Issue date Aug 9, 2016
- Shandong Weifang Rainbow Chemical Co., Ltd.
- Guoqing Sun
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING

Patents Applicationslast 30 patents

Information Patent Application
PREPARATION METHOD OF PHENOXYCARBOXYLIC ACID HERBICIDES
- Publication number 20210017113
- Publication date Jan 21, 2021
- SHANDONG RAINBOW BIOTECH CO., LTD.
- Guoqing SUN
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PREPARATION METHOD FOR CHLOROPHENOXYCARBOXYLATE
- Publication number 20210002201
- Publication date Jan 7, 2021
- SHANDONG RAINBOW BIOTECH CO., LTD.
- Guoqing SUN
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Water-Soluble Granule Formulation of 2,4-D Salt and Preparation Met...
- Publication number 20140323308
- Publication date Oct 30, 2014
- SHANDONG WEIFANG RAINBOW CHEMICAL CO., LTD.
- Guoqing Sun
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
Water-Soluble Granule Formulation of 2,4-D Salt and Preparation Met...
- Publication number 20140106973
- Publication date Apr 17, 2014
- SHANDONG WEIFANG RAINBOW CHEMICAL CO., LTD.
- Guoqing Sun
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING