| Patent Number |
Title Of Patent |
Date Issued |
| 7258848 |
Process for scrubbing ammonia from acid gases comprising ammonia and hydrogen sulfide |
Aug. 21, 2007 |
| 7128880 |
Organic recycling with a pipe-cross or tubular reactor |
Oct. 31, 2006 |
| 6949236 |
Aminosulfonate product-treated nitrogen-containing salt particles |
Sep. 27, 2005 |
| 6280494 |
Method for producing fertilizer grade DAP having an increased nitrogen concentration in a spray column |
Aug. 28, 2001 |
| 6241796 |
Method for producing fertilizer grade DAP having an increased nitrogen concentration from recycle |
Jun. 5, 2001 |
| 6117406 |
Process for manufacturing ammonium salts |
Sep. 12, 2000 |
| 5578107 |
Water soluble caking inhibitors for ammonium phosphates |
Nov. 26, 1996 |
| 5244645 |
Process for removing NH.sub.3 from a liquid stream |
Sep. 14, 1993 |
| 5022913 |
Stabilized ammonium orthophosphate suspensions |
Jun. 11, 1991 |
| 4919906 |
Processes and equipment for production of elemental phosphorus and thermal phosphoric acid |
Apr. 24, 1990 |
| 4781905 |
Process for producing phosphoric acid and/or phosphates from wet-process phosphoric acid and an extractant therein |
Nov. 1, 1988 |
| 4744965 |
Process for producing granular diammonium phosphate |
May. 17, 1988 |
| 4704262 |
Process for production of dialkali metal phosphates by ion exchange |
Nov. 3, 1987 |
| 4678650 |
Process for making an alkali phosphate solution |
Jul. 7, 1987 |
| 4662929 |
Method for recovering nutrients from the flue gases of a fertilizer plant |
May. 5, 1987 |
| 4652295 |
Fertilizer manufacture |
Mar. 24, 1987 |
| 4637921 |
Process for producing ammonium polyphosphate |
Jan. 20, 1987 |
| 4632813 |
Process for the production of water soluble ammonium phosphates |
Dec. 30, 1986 |
| 4610862 |
Process for producing purified diammonium phosphate from wet process phosphoric acid |
Sep. 9, 1986 |
| 4610853 |
Process for producing purified monoammonium phosphate from wet process phosphoric acid |
Sep. 9, 1986 |
| 4592771 |
Method of producing di-ammonium phosphate fertilizer |
Jun. 3, 1986 |
| 4565680 |
Recovery of phosphorus and aluminum from spent acid from the bright-dip aluminum finishing process |
Jan. 21, 1986 |
| 4548798 |
Laser synthesis of refractory oxide powders |
Oct. 22, 1985 |
| 4536378 |
Phosphate fertilizer production |
Aug. 20, 1985 |
| 4505733 |
Process for producing liquid combined fertilizers |
Mar. 19, 1985 |
| 4500502 |
Process for removing impurities from wet process of phosphoric acid |
Feb. 19, 1985 |
| 4493820 |
Process for partial removing of impurities from a wet process phosphoric acid |
Jan. 15, 1985 |
| 4451277 |
Production of fluid fertilizer from phosphorus furnace waste stream |
May. 29, 1984 |
| 4442081 |
Process for producing a stabilized phosphoric acid |
Apr. 10, 1984 |
| 4420321 |
Process for removal of carbon black floc associated with wet-process phosphoric acid in the production of fertilizers |
Dec. 13, 1983 |
| 4390509 |
Process for manufacturing ammonium phosphate utilizing an oxalic acid acidulating process |
Jun. 28, 1983 |
| 4383847 |
Production of fluid fertilizer from phosphorus furnace waste stream |
May. 17, 1983 |
| 4377406 |
Ammonium polyphosphate sulfate fertilizers from wet-process phosphoric acid |
Mar. 22, 1983 |
| 4375980 |
Production of suspension fertilizers from orthophorphoric acid |
Mar. 8, 1983 |
| 4370304 |
Two-phase spraying device and reaction chamber for the preparation of a product containing ammonium orthophosphate |
Jan. 25, 1983 |
| T102601 |
Production of granular ammonium-polyphosphate with an inline reactor and drum granulator |
Jan. 4, 1983 |
| 4336053 |
Fertilizer solutions stabilized with inorganic acids |
Jun. 22, 1982 |
| 4329326 |
Process for preparing crystalline ammonium dihydrogen phosphate |
May. 11, 1982 |
| 4325927 |
Purified monoammonium phosphate process |
Apr. 20, 1982 |
| 4313918 |
Process and device for the preparation of a product containing ammonium orthophosphate, and product obtained by this process |
Feb. 2, 1982 |
| 4308049 |
Process for the absorption of ammonia in acid solutions or slurries |
Dec. 29, 1981 |
| T101203 |
Process for production of granular diammonium phosphate |
Nov. 3, 1981 |
| 4284613 |
Process for ammoniating phosphoric acid |
Aug. 18, 1981 |
| 4271134 |
Treatment of effluent gases from the manufacture of fertilizer |
Jun. 2, 1981 |
| 4269814 |
Process for preparing crystalline ammonium dihydrogen phosphate |
May. 26, 1981 |
| 4236911 |
Purification and conversion of phosphoric acid to ammonium phosphates |
Dec. 2, 1980 |
| 4226833 |
Apparatus for obtaining biammonium phosphate |
Oct. 7, 1980 |
| 4166840 |
Process for producing ammonium phosphate from ammonia and wet process phosphoric acid |
Sep. 4, 1979 |
| 4154593 |
Process for granulating ammonium phosphate containing fertilizers |
May. 15, 1979 |
| 4152402 |
Partial purification of wet-process phosphoric acid with acetone and ammonia |
May. 1, 1979 |
