Invention Grant
- Patent Title: Process for the manufacture of bio-release iron-manganese fertilizer
- Patent Title (中): 生产锰锰肥生产过程
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Application No.: US10567303Application Date: 2004-08-06
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Publication No.: US07691171B2Publication Date: 2010-04-06
- Inventor: Chandrika Varadachari
- Applicant: Chandrika Varadachari
- Applicant Address: IN Mumbai
- Assignee: Department of Science & Technology (DST) A Department under the Ministry of Science and Technology, Government of India
- Current Assignee: Department of Science & Technology (DST) A Department under the Ministry of Science and Technology, Government of India
- Current Assignee Address: IN Mumbai
- Agency: Volpe and Koenig, P.C.
- Priority: IN971/DEL/03 20030806
- International Application: PCT/IN2004/000234 WO 20040806
- International Announcement: WO2005/014505 WO 20050217
- Main IPC: C01B25/37
- IPC: C01B25/37 ; C05B17/02
Abstract:
This invention provides a process for the preparation of water insoluble, bio-release iron-manganese fertilizer which comprises, heating phosphoric acid with a mixture of (i) source of iron oxide such as goethite and hematite, (ii) pyrolusite and (iii) one or more basic compound(s) selected from oxide(s) or carbonate(s) of magnesium, calcium, sodium and potassium, (b) neutralisation followed by drying and pulverisation.
Public/Granted literature
- US20060196240A1 Process for the manufacture of bio-release iron-manganese release fertilizer Public/Granted day:2006-09-07
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