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Class 71/64.02 - Coating and granulating


Subclass of Class 71 - Chemistry: fertilizers
Definition: Subject matter including the steps of covering and making
No. of patents: 74
Last issue date: 05/25/2010


1    
NumberTitleIssue Date
7722696Coated granular substances
The invention relates to a coated granular material, wherein the coating is a resin, comprising the reaction producing of at least one compound selected from the group consisting of cardol, cardanol or derivatives or oligomers of these compounds with an isocyanate c...
05/25/2010
7402190Method for making formulated nitrogenous and complex fertilizer in highly homogenized spherical granule form starting from urea-formaldehyde liquid resins and the fertilizer made thereby
The present invention relates to a method for making formulated nitrogenous and complex fertilizers, in granule form, suitable for slowly releasing nitrogen, comprising the steps of preparing an aqueous urea/formaldehyde dispersion with a molar ratio from 0.8:1 to 2...
07/22/2008
7004991Aqueous delivery systems for water soluble agricultural actives using polymeric dispersants
What is described herein is an aqueous dispersion for coating water-soluble granules of a water soluble active agricultural chemical to substantially increase the rain fastness of the active. The dispersion includes by wt. (a) at l...
02/28/2006
6987082Controlled release products and processes for the preparation thereof
A controlled release product is provided having a suppressed initial release period and a predetermined longevity. The product includes a particulate water soluble core material and a semi-permeable coating layer applied on the core material for controlling the rele...
01/17/2006
6930139Anti-explosive fertilizer coatings
Coatings for agricultural grade fertilizer particles and industrial grade ammonium nitrate are provided which when applied to particles form a protective film which acts as a barrier to inhibit or prevent hydrocarbon infiltration of the fertilizer particle pores and...
08/16/2005
6881449Edible PGA coating composition
An edible, hardenable coating composition is disclosed which comprises high levels of low viscosity propylene glycol alginate and a surfactant, which may additionally contain a filler, a pigment, and optionally a small amount of a secondary film former and/or a stre...
04/19/2005
6841515Production and use of biosolid granules
This invention relates to the production and use of encapsulated and/or concentrically-constructed fertilizer or bioremediation granules such as, for example, granules of 0.5 mm to 10 mm in diameter constructed so that there are at least two components to the granul...
01/11/2005
6830603Volatility-inhibited urea fertilizers
Volatility-inhibited fertilizers are prepared by coating granular urea with a coating that includes a binding agent having a boron anion and a hydrogen bonding group to adhere the binding agent to the granular urea. The binding agent may be an amino alcohol borate i...
12/14/2004
6805821Wet granulation method for generating granules
A method of wet granulation of fertilizer and other materials into granules. The method involves formation of the granule directly on the pan from the feedstock without intermediate steps or the use of seed materials. The result is a product having a completely unif...
10/19/2004
6776832Coating compositions for free-flowing dry materials and methods of using same
Coating compositions containing an oxidized oil and an effective amount of a diluent selected from one of: the group of methyl and ethyl esters of fatty acids, oils and combinations thereof; the group of glycerol and polyglycerol esters of fatty acids, oils, and com...
08/17/2004
6591767Seed treatment method
A method of stimulating root growth of seeds is disclosed in which seeds are treated with an effective amount of an aqueous ammoniacal ionic solution of metal alkanoates. Alkanoates having from 2 to 6 carbon atoms are preferred, with acetates most preferr...
07/15/2003
6582637Compost granulation method
Method of granulating compost for the formulation of fertilizers. In one embodiment, the compost is ground to dust and pan granulated. A variety of ancillary materials may be incorporated into the compost mix for a wide range of possible applications. An ...
06/24/2003
6576035Stabilized enhanced efficiency controllable release calcium cyanamide compositions
Calcium cyanamide compositions and methods for their use are disclosed. The compositions and methods stabilize active ionic compositions comprising calcium cyanamide and enhance the effectiveness of calcium cyanamide alone or synergistically in combinatio...
06/10/2003
6500223Granular fertilizer coated with decomposable coating film and process for producing the same
A coated granular fertilizer which comprises a degradable film containing 10% by weight or more of a polyolefin and/or petroleum wax having a weight-average molecular weight of 300-10,000 and an inorganic filler and/or a surface active agent and a granula...
12/31/2002
6454979Wet granulation method for generating granules
A method of wet granulation of fertilizer and other materials into granules. The method involves formation of the granule directly on the pan from the feedstock without intermediate steps or the use of seed materials. The result is a product having a comp...
09/24/2002
6386126Seed treatment method
A method of stimulating root growth of seeds is disclosed in which seeds are treated with an effective amount of an aqueous ammoniacal ionic solution of metal alkanoates. Alkanoates having from 2 to 6 carbon atoms are preferred, with acetates most preferr...
05/14/2002
6358295Method for producing granular coated fertilizer
The present invention provides a method for producing a controlled-release coated fertilizer which provides few floats when applied in water, gives uniform coat and makes it possible to release fertilizer ingredient constantly in a short time at ordinary ...
03/19/2002
6261996Pregerminated rice seed
A pregerminated rice seed comprising a plant growth regulator, optionally further comprising a phytoprotection product, especially an insecticide....
07/17/2001
6231633Granular coated fertilizer and method for producing the same
Provided is a granular fertilizer coated with a thermosetting resin coating, characterized in that a dissolution rate of the fertilizer is retarded by containing a hydrophobic compound in at least one of the coating portion and the fertilizer portion ther...
05/15/2001
6132484Wet granulation method for generating fertilizer granules
A method of wet granulation of fertilizer and other materials into granules. The method involves formation of the granule directly on the pan from the feedstock without intermediate steps or the use of seed materials. The result is a product having a comp...
10/17/2000
5994265Seed coating composition of gypsum with molybdenum
Embodiments of a coating composition and coating method for seeds are described, the coating including molybdenum and a sulfur-containing component and being for improving seed and seedling performance. The preferred molybdenum source is molybdenum trioxi...
11/30/1999
5984994Sulfur coated fertilizers with improved abrasion resistance
Sealant compositions for sulfur coated fertilizer particles are mixtures of wax materials and additives which provide improved moisture barrier properties and abrasion resistance. The sealants have penetration values measured by ASTM D-1321 of at least 20...
11/16/1999
5976210Method of manufacture for biological carrier with wicking action and controlled release plant food and microbe food source
A granular fertilizer which provides plant assimilatable nutrients by both hydrolysis and bacterial activity, and which includes biological growth promoting nutrients. The fertilizer is made by blending and pelletizing an aggregate of conventional fertili...
11/02/1999
5833733Agrochemical formulations for water surface application
New agrochemical formulations for application to the water of paddy fields, which formulations comprise A) at least one solid core material having an apparent specific density of less than 1 and a particle diameter within the range from about 300 μm to a...
11/10/1998
5766615Compositions of insoluble film-forming polymers and uses therefor
A composition comprising a long-chain alkylpyrrolidone, a surfactant, and film-forming water-soluble polymer wherein the amounts of the components are such that on dilution with water, a clear liquid is formed. The composition may be used as a medium for ...
06/16/1998
5766302Fertilizer coating process
A process for coating fertilizer granules in which a mixture of adhesive and additive is provided and the particles of the additive in the adhesive are ground to a desired size. The mixture of adhesive and ground additive is then applied to the surface of...
06/16/1998
5698002Controlled release fertilizers utilizing an epoxy polymer primer coat and methods of production
Controlled release, particulate fertilizer products having a water soluble fertilizer central mass encased in a plurality of water insoluble, abrasion resistant coatings plus coating compositions and methods for the production of such products are disclos...
12/16/1997
5698211Stabilized agchemical concentrate and use thereof
The present invention relates to the stabilization of an agricultural chemical concentrate in aqueous solution and the stabilized concentrate which comprises: (a) between about 0.1 and about 20 wt. % of a stabilizer composition comprising: (1) between abo...
12/16/1997
5672353Stabilized AGchemical concentrate and use thereof
The present invention relates to the stabilization of an agricultural chemical concentrate in aqueous solution and the stabilized concentrate which comprises: (a) between about 0.1 and about 20 wt. % of a stabilizer composition comprising: (1) a C1
09/30/1997
5654033Solid fertilizer with a modifier bound to its surface
A surface-modified solid fertilizer product is produced by preparing a mixture of a modifier, a water-soluble calcium salt, and water. The modifier is desirably a nitrification inhibitor such as dicyanodiamide and the calcium salt is desirably calcium chl...
08/05/1997
5653782Process for the manufacture of sulfur-containing fertilizers
The invention relates to a process for obtaining sulfur-containing fertilizers. According to the invention, a substrate containing fertilizer particles is heated to a temperature above the melting point of sulfur and subsequently by admixing with the sulf...
08/05/1997
5628945Multicomponent powder mixing process and compositions produced thereby
A method for controlling chemical distribution of substances in a solid state (and products produced thereby), the method comprising the steps of mixing particles of a first powder and a triggerable granule facilitator to form first microcapsules, the fir...
05/13/1997
5628813Abrasion resistant topcoats for control release coatings
The present invention provides for controlled release chemical compositions having improved controlled release properties wherein core substrate particles comprising a water soluble chemical compound, such as a fertilizer or oil well chemical, which are s...
05/13/1997
5597574UV protective aqueous emulsion and emulsifiable solids for cosmetic and agrichemical formulations
This invention relates to a sunscreen composition comprising between about 1 and about 40 wt. % of a hydrophobic aromatic compound having extended conjugation in its structure and selected from the group of ##STR1## or a mixture of one or more of the...
01/28/1997
5578121Soil conditioner and a process for its preparation
The invention relates to a freely flowable, soil conditioner consisting of a granular perlite with a coating on the externally accessible surface of the perlite grains of unfired clay. The invention also relates to a process for the preparation of the soi...
11/26/1996
5547486Machine system and process for producing attrition resistant slow release fertilizers
A machine system and process for producing attrition resistant, controlled release fertilizer is described. In the process, a prewet solution is used to initially coat the plant nutrient to be coated followed by the separate application of the individual ...
08/20/1996
5478375Sealants for fertilizer compositions containing natural waxes
Novel sealants for sulfur coated urea fertilizer are comprised mixtures of fatty esters of polyhydric alcohols and polymers which are soluble therein and contain ester, carboxylate, or hydroxyl functionality; said mixtures are preferably crosslinked with ...
12/26/1995
5425955Compositions of insoluble film-forming polymers and uses therefor
Emulsion concentrates of water-insoluble film-forming polymers are disclosed which can be utilized to form water-resistant films of active ingredients, such as, agriculturally active chemicals. Methods for preparation and use of the emulsion concentrates ...
06/20/1995
5399186Apparatus and process for coating particles
An apparatus and method for continuously producing polymer coated particles, and in particular, a polymer coated fertilizer, wherein the coating material used is, for example, an aqueous film forming latex. The coating process is conducted with a pluralit...
03/21/1995
5395449Apparatus and process for coating particles
An apparatus and method for continuously producing polymer coated particles, and in particular, a polymer coated fertilizer, wherein the coating material used is, for example, an aqueous film forming latex. The coating process is conducted with a pluralit...
03/07/1995
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