 |
|
 |
| |
 |
|
Class Information
Number: 71/30
Name: Chemistry: fertilizers > Processes and products > Organic material-containing > From synthetic material > Urea and its derivatives > With nitrogen-containing substances
Description: Processes or products which include inorganic N containing substances, other than NH4, such as nitrates. Thus, fertilizers containing urea admixed with a nitrate and urea nitrate both belong in this subclass.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7534280 |
Fertilizers containing polyamino acid |
May. 19, 2009 |
| 7513927 |
Methods of controlling chemical self-heating of organic-containing materials |
Apr. 7, 2009 |
| 7513928 |
High nitrogen liquid fertilizer |
Apr. 7, 2009 |
| 7494526 |
Plant protection and growth stimulation by nanoscalar particle folial delivery |
Feb. 24, 2009 |
| 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 |
| 7402263 |
Tungstate based corrosion inhibitors |
Jul. 22, 2008 |
| 6953537 |
Corrosion inhibitor |
Oct. 11, 2005 |
| 6936087 |
Soil conditioning agglomerates containing calcium |
Aug. 30, 2005 |
| 6884756 |
Water-dispersible pellets |
Apr. 26, 2005 |
| 6749660 |
Solid-chemical composition and method of preparation for the anaerobic bioremediation of environmental contaminants coupled to denitrification |
Jun. 15, 2004 |
| 6632262 |
Controlled release urea-formaldehyde liquid fertilizer resins |
Oct. 14, 2003 |
| 6579338 |
Controlled release urea-formaldehyde liquid fertilizer resins with high nitrogen levels |
Jun. 17, 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 |
| 6503287 |
System and method of soil distribution, such as a soil blend, capable of being blown into place |
Jan. 7, 2003 |
| 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 |
| 6413291 |
Soil conditioning agglomerates containing calcium |
Jul. 2, 2002 |
| 6336772 |
Detoxification of soil |
Jan. 8, 2002 |
| 6325836 |
Soil conditioning agglomerates containing calcium |
Dec. 4, 2001 |
| 6312493 |
Water soluble fertilizer compositions |
Nov. 6, 2001 |
| 6312492 |
Beneficiation of animal manure |
Nov. 6, 2001 |
| 6309440 |
Method and composition for promoting and controlling growth of plants |
Oct. 30, 2001 |
| 6306194 |
Controlled release urea-formaldehyde liquid fertilizer resins with high nitrogen levels |
Oct. 23, 2001 |
| 6293985 |
Fertilizer granulation method |
Sep. 25, 2001 |
| 6287356 |
Soil conditioning agglomerates containing calcium |
Sep. 11, 2001 |
| 6241795 |
Soluble fertilizer formulation |
Jun. 5, 2001 |
| 6231633 |
Granular coated fertilizer and method for producing the same |
May. 15, 2001 |
| 6179893 |
Process for generation of fertilizer granules containing urea and ammonium sulfate |
Jan. 30, 2001 |
| 6048378 |
Highly available particulate controlled release nitrogen fertilizer |
Apr. 11, 2000 |
| 6045810 |
Reinforced-resin coated plant food granules |
Apr. 4, 2000 |
| 6015445 |
Anti-caking solids |
Jan. 18, 2000 |
| 6001147 |
Unsymmetrical polyureaurethane fertilizer encapsulation |
Dec. 14, 1999 |
| 5997602 |
Aqueous fertilzer suspension containing at least phosphate ions and calcium or magnesium ions and a use of the suspension |
Dec. 7, 1999 |
| 5997601 |
Method for making moisture resistant calcium-containing particles |
Dec. 7, 1999 |
| 5997599 |
Soil conditioning agglomerates containing cement kiln dust |
Dec. 7, 1999 |
| 5980601 |
Anti-caking solids |
Nov. 9, 1999 |
| 5938813 |
Granular coated particles containing urea and metal nitrate, and process for making the same |
Aug. 17, 1999 |
| 5917110 |
Moisture-resistant calcium containing particles |
Jun. 29, 1999 |
| 5885320 |
Anti-caking process |
Mar. 23, 1999 |
| 5871667 |
Inhibiting ferrous metal corrosion by aqueous ammoniate solutions |
Feb. 16, 1999 |
| 5851260 |
Suspension fertilizer suitable for irrigation fertilization, and a process for its preparation |
Dec. 22, 1998 |
| 5849060 |
Controlled release fertilizer and preparations thereof |
Dec. 15, 1998 |
| 5782951 |
Particulate urea with finely divided inorganic material incorporated for hardness nonfriability and anti-caking |
Jul. 21, 1998 |
| 5743934 |
Soil conditioning agglomerates containing cement kiln dust |
Apr. 28, 1998 |
| 5741345 |
Combination of active ingredients for inhibiting or controlling ammonia nitrification in arable topsoil and subsoil |
Apr. 21, 1998 |
| 5704961 |
Corrosion inhibitors for liquid fertilizers |
Jan. 6, 1998 |
| 5647885 |
Method of complex providing user with mineral salts and/or fertilizers, and system for effecting same |
Jul. 15, 1997 |
| 5628810 |
Method and composition for increasing the protein content of grains |
May. 13, 1997 |
| 5597400 |
Methods and compositions for enhancing carbon fixation in plants |
Jan. 28, 1997 |
|
|
|
 |
|
 |
|
| |
Randomly Featured Patents |
|
