Hongkun CHEN

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing phosphoric acid and by-producing alpha-hemihyd...
- Patent number 10,745,278
- Issue date Aug 18, 2020
- Kingenta Ecological Engineering Group Co., Ltd.
- Zhaoping Hu
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for producing wet-process phosphoric acid and by-producing a...
- Patent number 10,696,552
- Issue date Jun 30, 2020
- Kingenta Norsterra Chemical Co., Ltd.
- Zhaoping Hu
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PRODUCING WET-PROCESS PHOSPHORIC ACID AND BY-PRODUCING A...
- Publication number 20180273384
- Publication date Sep 27, 2018
- KINGENTA NORSTERRA CHEMICAL CO., LTD.
- Zhaoping Hu
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PRODUCING PHOSPHORIC ACID AND BY-PRODUCING ALPHA-HEMIHYD...
- Publication number 20180257938
- Publication date Sep 13, 2018
- KINGENTA ECOLOGICAL ENGINEERING GROUP CO., LTD.
- Zhaoping Hu
- C01 - INORGANIC CHEMISTRY
Information Patent Application
EMULSION POLYMER COATING AGENT, COATED CONTROLLED-RELEASE FERTILIZE...
- Publication number 20110126602
- Publication date Jun 2, 2011
- SHANDONG KINGENTA ECOLOGICAL ENGINEERING CO., LTD.
- Lianbu Wan
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
WATER SOLUBLE ALKYD RESIN-SULFUR COATED CONTROLLED RELEASE FERTILIZ...
- Publication number 20110072871
- Publication date Mar 31, 2011
- SHANDONG KINGENTA ECOLOGICAL ENGINEERING CO., LTD.
- Hongkun Chen
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Application
CONTROLLED-RELEASE FERTILIZER COATED WITH A WAX LAYER AND A POLYMER...
- Publication number 20100139348
- Publication date Jun 10, 2010
- Lianbu WAN
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...