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Class Information
Number: 71/54
Name: Chemistry: fertilizers > Processes and products > Inorganic material > Nitrogen-containing (except ammonium)
Description: Methods directed to the preparation of inorganic fertilizers containing N values other than or in addition to NH4 and products corresponding to these methods.


Sub-classes under this class:

Class Number Class Name Patents
71/55 Cyanamide 7
71/58 Nitrates 68


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
7487927 Fertilizing system and method by extracting nitrogen compounds from combustion exhaust gases Feb. 10, 2009
7381237 Nitrogen containing fertilizer for plant growth Jun. 3, 2008
6908495 Low oxygen organic waste bioconversion system Jun. 21, 2005
6858058 Fertilizer with excess free sequestering agents Feb. 22, 2005
6855182 Lignocellulose fiber composite with soil conditioners Feb. 15, 2005
6826866 Fully compatible water-soluble fertilizer and use Dec. 7, 2004
6749660 Solid-chemical composition and method of preparation for the anaerobic bioremediation of environmental contaminants coupled to denitrification Jun. 15, 2004
6689720 High-pH oil based adjuvant blend for enhancing efficacy of pesticides Feb. 10, 2004
6642178 Adjuvant blend for enhancing efficacy of pesticides Nov. 4, 2003
6591767 Seed treatment method Jul. 15, 2003
6566304 Biogenic control and limitation of the reproduction of parasitic earth nematodes in stock culture May. 20, 2003
6540808 Controlled release fertilizers based on self-assembled molecule coatings Apr. 1, 2003
6460290 Fully compatible surfactant-impregnated water-soluble fertilizer; concentrate; and use Oct. 8, 2002
6454828 Method of producing zinc diammine chloride and uses for same Sep. 24, 2002
6423109 Free flowing fertilizer composition with enhanced deposition/anti drift characteristics Jul. 23, 2002
6391238 Method of producing algae cultivating medium May. 21, 2002
6386126 Seed treatment method May. 14, 2002
6372007 Organic compost Apr. 16, 2002
6357175 Methods for enhancing growth and maintenance of warm and cool season grasses Mar. 19, 2002
6358294 Free-flowing fertilizer compositions Mar. 19, 2002
6355084 Method for producing a fertilizer from gas containing sulfur oxides Mar. 12, 2002
6207615 Lawn fertilizer for canine waste damage Mar. 27, 2001
6205707 Method for the fertilization of soil for cultivated plants Mar. 27, 2001
6176892 Method for making nitrogen-potassium fertilizer containing calcium nitrate and products thereof Jan. 23, 2001
6132484 Wet granulation method for generating fertilizer granules Oct. 17, 2000
5997601 Method for making moisture resistant calcium-containing particles Dec. 7, 1999
5942021 System for administration of nutrients to plants Aug. 24, 1999
5928672 Polyborate composition Jul. 27, 1999
5907925 Method for treatment of waste material Jun. 1, 1999
5759226 Neutral metal alkanoate micronutrient solutions and method of manufacturing same Jun. 2, 1998
5731265 Plant treatment process Mar. 24, 1998
5725630 Dry granular fertilizer blend and a method of fertilizing plants Mar. 10, 1998
5534043 Micronutrient supplement Jul. 9, 1996
5435823 Calcium and magnesium based nitrogen fertilizer, process and eqiupment for its production Jul. 25, 1995
5192355 Manufacturing and using nitrogen fertilizer solutions on a farm Mar. 9, 1993
5082485 Treatment and prevention for oak wilt disease or decline Jan. 21, 1992
4997642 Stable oil-in-water emulsions Mar. 5, 1991
4962284 Alkanoyl anilides Oct. 9, 1990
4936898 Atomized elemental moss killer Jun. 26, 1990
4772308 Anti-caking composition Sep. 20, 1988
4647441 Method for the regeneration of washing solution utilized for simultaneous washing of nitrous oxide and sulfur dioxide from exhaust gases Mar. 3, 1987
4569859 Process for forming prill for sulphur and bentonite Feb. 11, 1986
4515615 Manufacturing and using nitrogen fertilizer solutions on a farm May. 7, 1985
4512794 Manufacturing and using nitrogen fertilizer solutions on a farm Apr. 23, 1985
4511389 Manufacturing and using nitrogen fertilizer solutions on a farm Apr. 16, 1985
4435201 Manufacturing and using nitrogen fertilizer solutions on a farm Mar. 6, 1984
4427434 Manufacturing and using nitrogen fertilizer solutions on a farm Jan. 24, 1984
4352688 Nitrogen fertilizers Oct. 5, 1982
4328025 Micronutrient fertilizer May. 4, 1982
4273570 Process for the production of a liquid alkaline fertilizer containing clays and trace elements Jun. 16, 1981

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