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Class Information
Number: 71/64.11
Name: Chemistry: fertilizers > Processes and products > Forms or conditioning > Controlled release
Description: Subject matter wherein the material is released to the environment in which it is placed in a regulated manner.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7615093 |
Controlled release product and method for the production thereof |
Nov. 10, 2009 |
| 7494526 |
Plant protection and growth stimulation by nanoscalar particle folial delivery |
Feb. 24, 2009 |
| 7445657 |
Application methods for fine powders and uses thereof |
Nov. 4, 2008 |
| 7416785 |
Polyurethane-encapsulated particle comprising polyol derived from aromatic amine-based initiator |
Aug. 26, 2008 |
| 7402190 |
Method for making formulated nitrogenous and complex fertilizer in highly homogenized spherical granule form starting from urea-formaldehyde liquid resins and the fertilizer made thereby |
Jul. 22, 2008 |
| 7320724 |
Compositions for the staged release of nutrients to plants |
Jan. 22, 2008 |
| 7267707 |
Polyurethane encapsulated fertilizer |
Sep. 11, 2007 |
| 7252697 |
Methods for making controlled-release ammonium phosphate fertilizer |
Aug. 7, 2007 |
| 7189275 |
Permeable composition, controlled release product and methods for the production thereof |
Mar. 13, 2007 |
| 7056865 |
Method of and products for promoting improved growth of plants and more water-efficient growing soil or other media and the like with zeolite crystals treated with preferably water-based plant |
Jun. 6, 2006 |
| 7018441 |
Granular coated fertilizer |
Mar. 28, 2006 |
| 7018440 |
Granular coated fertilizer |
Mar. 28, 2006 |
| 6930139 |
Anti-explosive fertilizer coatings |
Aug. 16, 2005 |
| 6890888 |
Controlled release agricultural products and processes for making same |
May. 10, 2005 |
| 6887828 |
Phillipsitic zeolite soil amendments |
May. 3, 2005 |
| 6841515 |
Production and use of biosolid granules |
Jan. 11, 2005 |
| 6808557 |
Cellulose matrix encapsulation and method |
Oct. 26, 2004 |
| 6749659 |
Controlled release rate fertilizers and methods of making same |
Jun. 15, 2004 |
| 6663686 |
Controlled release fertilizer and method for production thereof |
Dec. 16, 2003 |
| 6632262 |
Controlled release urea-formaldehyde liquid fertilizer resins |
Oct. 14, 2003 |
| 6617412 |
Fertilizer encapsulation using sulfur containing polyols |
Sep. 9, 2003 |
| 6606821 |
Horticultural drainage method and system |
Aug. 19, 2003 |
| 6565860 |
Surfactant coated products and methods for their use in promoting plant growth and soil remediation |
May. 20, 2003 |
| 6558445 |
Dry fertilizer compositions and method for making the same |
May. 6, 2003 |
| 6544313 |
Sulfur-containing fertilizer composition and method for preparing same |
Apr. 8, 2003 |
| 6540808 |
Controlled release fertilizers based on self-assembled molecule coatings |
Apr. 1, 2003 |
| 6515177 |
Method of coating materials and materials formed thereby |
Feb. 4, 2003 |
| 6503288 |
Process for the production of biodegradable encapsulated fertilizers |
Jan. 7, 2003 |
| 6500223 |
Granular fertilizer coated with decomposable coating film and process for producing the same |
Dec. 31, 2002 |
| 6464746 |
Homogeneous granules of slow-release fertilizer and method of making the same |
Oct. 15, 2002 |
| 6432156 |
Method of coating materials and materials formed thereby |
Aug. 13, 2002 |
| 6413292 |
Use of an aqueous dispersion from a biodegradable polyester as a sheathing material for granulated fertilizer |
Jul. 2, 2002 |
| 6391454 |
Controlled release urea-based products |
May. 21, 2002 |
| 6364925 |
Polyurethane encapsulated fertilizer having improved slow-release properties |
Apr. 2, 2002 |
| 6358295 |
Method for producing granular coated fertilizer |
Mar. 19, 2002 |
| 6358296 |
Slow-release polyurethane encapsulated fertilizer using oleo polyols |
Mar. 19, 2002 |
| 6336949 |
Slow release urea fertilizer composition and a process for the preparation of the said composition |
Jan. 8, 2002 |
| 6322606 |
Coated granular fertilizer and method for producing same |
Nov. 27, 2001 |
| 6287357 |
Solid-phase phosphorus buffer for sustained, low-leaching phosphorus fertilization of field-grown plants |
Sep. 11, 2001 |
| 6271174 |
Method of and products for promoting improved growth of plants and more water-efficient growing soilor other media and the like with antzeolite crystals treated with preferably water-based pla |
Aug. 7, 2001 |
| 6264985 |
Laminated tablet with pointed core |
Jul. 24, 2001 |
| 6254655 |
Processes for preparing granular composite fertilizer compositions and products produced thereby |
Jul. 3, 2001 |
| 6231633 |
Granular coated fertilizer and method for producing the same |
May. 15, 2001 |
| 6193775 |
Coated granular fertilizer |
Feb. 27, 2001 |
| 6187074 |
Coated fertilizer granules |
Feb. 13, 2001 |
| 6176893 |
Controlled release emulsion fertilizer compositions |
Jan. 23, 2001 |
| 6176891 |
Coated granular fertilizer and method for producing same |
Jan. 23, 2001 |
| 6152981 |
Sulfur containing isocyanate compositions |
Nov. 28, 2000 |
| 6139597 |
Controlled release fertilizer compositions and processes for the preparation thereof |
Oct. 31, 2000 |
| 6133197 |
Microencapsulated compositions |
Oct. 17, 2000 |
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