Invention Grant
- Patent Title: Layer-wise agglomerated urea granules
-
Application No.: US16704342Application Date: 2019-12-05
-
Publication No.: US11021410B2Publication Date: 2021-06-01
- Inventor: Rose Prabin Kingsly Ambrose , Carl R Wassgren, Jr. , Dhananjay Pai , Yanjie Chen
- Applicant: Purdue Research Foundation
- Applicant Address: US IN West Lafayette
- Assignee: Purdue Research Foundation
- Current Assignee: Purdue Research Foundation
- Current Assignee Address: US IN West Lafayette
- Agency: Purdue Research Foundation
- Agent Zhigang Rao
- Main IPC: C05C9/00
- IPC: C05C9/00 ; C05G5/30

Abstract:
The present disclosure generally relates to layer-wise agglomerated controlled release granular urea composition and methods of making and using the layer-wise agglomerated controlled release granular urea composition. In a particular composition, the water-soluble plant nutrient comprises urea, the binding material for the core comprises corn starch, the hydrogel for the coating layer comprises corn starch hydrogel, the core has a thickness of 2.5-3.5 mm and a closed porosity of 0.05-3%, and the coating layer has a thickness of 1.35-1.5 mm and a closed porosity of 0.1-5%.
Public/Granted literature
- US20200181035A1 LAYER-WISE AGGLOMERATED UREA GRANULES Public/Granted day:2020-06-11
Information query