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Nanoparticle fertilizer
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Patent number 11,021,408
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Issue date Jun 1, 2021
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The University of Queensland
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Longbin Huang
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B82 - NANO-TECHNOLOGY
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Polymer coated fertilizer
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Patent number 10,961,165
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Issue date Mar 30, 2021
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Nutrient Encapsulation Technologies
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Eric Rosenthal
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C05 - FERTILISERS MANUFACTURE THEREOF
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Granulation of potash salts
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Patent number 4,385,920
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Issue date May 31, 1983
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International Minerals & Chemical Corp.
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William B. Dancy
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C05 - FERTILISERS MANUFACTURE THEREOF
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2573516
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Patent number 2,573,516
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Issue date Oct 30, 1951
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C05 - FERTILISERS MANUFACTURE THEREOF
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2375898
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Patent number 2,375,898
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Issue date May 15, 1945
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C05 - FERTILISERS MANUFACTURE THEREOF
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1989684
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Patent number 1,989,684
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Issue date Feb 5, 1935
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C05 - FERTILISERS MANUFACTURE THEREOF
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1966395
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Patent number 1,966,395
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Issue date Jul 10, 1934
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C05 - FERTILISERS MANUFACTURE THEREOF
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1911580
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Patent number 1,911,580
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Issue date May 30, 1933
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C05 - FERTILISERS MANUFACTURE THEREOF
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1889863
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Patent number 1,889,863
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Issue date Dec 6, 1932
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C05 - FERTILISERS MANUFACTURE THEREOF
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1849082
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Patent number 1,849,082
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Issue date Mar 15, 1932
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C05 - FERTILISERS MANUFACTURE THEREOF
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1776694
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Patent number 1,776,694
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Issue date Sep 23, 1930
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C05 - FERTILISERS MANUFACTURE THEREOF
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1599198
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Patent number 1,599,198
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Issue date Sep 7, 1926
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C05 - FERTILISERS MANUFACTURE THEREOF