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Class Information
Number: 71/64.03
Name: Chemistry: fertilizers > Processes and products > Forms or conditioning > Granulating
Description: Subject matter for forming the material into granules or grains.


Sub-classes under this class:

Class Number Class Name Patents
71/64.05 By agglomerating 59
71/64.04 By comminuting 33
71/64.06 By fluid contact 46


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
7534281 Organic recycling with a pipe-cross or tubular reactor May. 19, 2009
7498055 Process for the preparation of urea granules Mar. 3, 2009
7468087 Fertilizer, process for producing the same, process for controlling inorganizing speed of urea/aliphatic aldehyde condensation product, and process for growing crops Dec. 23, 2008
7108732 Process for producing fertilizer comprising sparingly water-soluble phosphatic fertilizer, urea/aliphatic aldehyde condensation product and water-repellent substance Sep. 19, 2006
6939387 Soil enhancers Sep. 6, 2005
6749660 Solid-chemical composition and method of preparation for the anaerobic bioremediation of environmental contaminants coupled to denitrification Jun. 15, 2004
6749659 Controlled release rate fertilizers and methods of making same Jun. 15, 2004
6656382 Use of layered double hydroxides (LDHs), which reversibly bind (exchange) nitrate Dec. 2, 2003
6591767 Seed treatment method Jul. 15, 2003
6576035 Stabilized enhanced efficiency controllable release calcium cyanamide compositions Jun. 10, 2003
6461399 Organic material based uniprill fertilizer Oct. 8, 2002
6436164 Process for granule production Aug. 20, 2002
6406510 Methods for treating wastewater sludge Jun. 18, 2002
6386126 Seed treatment method May. 14, 2002
6387145 Fine granulated fertilizer formulation for seed/plant placement at seeding or transplanting May. 14, 2002
6387146 Granular fertilizer for plants containing a type of mycorrhizal fungus May. 14, 2002
6379414 Process for producing pressed fertilizer granulates Apr. 30, 2002
6372008 Soil additive and associated processes Apr. 16, 2002
6322607 Zinc-ammonium phosphate fertilizers Nov. 27, 2001
6299663 Granulation method and apparatus therefor Oct. 9, 2001
6287496 Method of granulating peat using gentle extrusion conditions and viscosified water Sep. 11, 2001
6273929 Extrusion process Aug. 14, 2001
6254655 Processes for preparing granular composite fertilizer compositions and products produced thereby Jul. 3, 2001
6183531 Mineral wool plant substrate Feb. 6, 2001
6179893 Process for generation of fertilizer granules containing urea and ammonium sulfate Jan. 30, 2001
6176892 Method for making nitrogen-potassium fertilizer containing calcium nitrate and products thereof Jan. 23, 2001
6171358 Calcium nitrate based fertilizer Jan. 9, 2001
6132484 Wet granulation method for generating fertilizer granules Oct. 17, 2000
6039782 Preparing organic powder by anaerobically treating fermentation waste fluid and aerobically treating the digested fermentation liquor Mar. 21, 2000
5997599 Soil conditioning agglomerates containing cement kiln dust Dec. 7, 1999
5964917 Free-flowing fertilizer compositions Oct. 12, 1999
5883047 Granules of hygroscopic, water-soluble products Mar. 16, 1999
5741521 Biodegradable controlled release amylaceous material matrix Apr. 21, 1998
5739081 Water dispersible granules of liquid pesticides Apr. 14, 1998
5728192 Method of processing waste materials to produce a product usable as a heat source and plant growth medium Mar. 17, 1998
5654033 Solid fertilizer with a modifier bound to its surface Aug. 5, 1997
5549730 Compression molded tablet fertilizer and method the production thereof Aug. 27, 1996
5514201 Microelement deficiency corrector for farmland and process for preparation thereof May. 7, 1996
5435822 Spray dried water dispersible fertilizer Jul. 25, 1995
5393319 Process for producing oxamide granules Feb. 28, 1995
5380350 Methods of making granular water soluble or hygroscopic agricultural formulations Jan. 10, 1995
5352265 Granular urea-based fertilizer Oct. 4, 1994
5264017 Inorganic reactive granulating binder and conditioner Nov. 23, 1993
5174806 Neutral solid fertilizer Dec. 29, 1992
5167274 Method and apparatus for cooling particulate solids Dec. 1, 1992
5152822 Slow release oxamide fertilizer Oct. 6, 1992
5133797 Coated granular fertilizer composition and its production Jul. 28, 1992
H1070 Granulation of potash materials Jul. 7, 1992
5120345 Process for producing fertilizer granules Jun. 9, 1992
5068438 Process for surface treatment of N-alkyl-N'phenyl-p-phenylenediamine Nov. 26, 1991

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