Invention Grant
- Patent Title: Method of preparing a slow release fertilizer
- Patent Title (中): 缓释肥料的制备方法
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Application No.: US14430696Application Date: 2012-09-26
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Publication No.: US09446993B2Publication Date: 2016-09-20
- Inventor: Zhiyong Li , Yan Zhang
- Applicant: UPM-KYMMENE CORPORATION
- Applicant Address: FI
- Assignee: UPM-KYMMENE CORPORATION
- Current Assignee: UPM-KYMMENE CORPORATION
- Current Assignee Address: FI
- Agency: Dinsmore & Shohl LLP
- International Application: PCT/CN2012/081966 WO 20120926
- International Announcement: WO2014/047793 WO 20140403
- Main IPC: C05G3/00
- IPC: C05G3/00 ; C05C9/00 ; C08K3/34 ; C08K5/06 ; C08K5/09 ; C08K5/12 ; C09D197/00

Abstract:
Provided is a method for preparing slow release fertilizer with a coated surface. Furthermore, a formulation of the coating layer 1 comprises lignin, alkenylsuccinic anhydride, stearic acid, polyethylene glycol (PEG)-2000 and kaolin.
Public/Granted literature
- US20150259261A1 METHOD OF PREPARING A SLOW RELEASE FERTILIZER Public/Granted day:2015-09-17
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