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Class Information
Number: 71/64.06
Name: Chemistry: fertilizers > Processes and products > Forms or conditioning > Granulating > By fluid contact
Description: Subject matter wherein the material is formed into particles upon being contacted by a gas or liquid.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6582637 |
Compost granulation method |
Jun. 24, 2003 |
| 6413292 |
Use of an aqueous dispersion from a biodegradable polyester as a sheathing material for granulated fertilizer |
Jul. 2, 2002 |
| 6273929 |
Extrusion process |
Aug. 14, 2001 |
| 6254654 |
Soil improver composition and plant growth enhancer |
Jul. 3, 2001 |
| 6039782 |
Preparing organic powder by anaerobically treating fermentation waste fluid and aerobically treating the digested fermentation liquor |
Mar. 21, 2000 |
| 5720794 |
Ammonium nitrate particulate fertilizer and method for producing the same |
Feb. 24, 1998 |
| 5688742 |
Water based formation of a beaded product |
Nov. 18, 1997 |
| 5653781 |
Process for the production of urea granules |
Aug. 5, 1997 |
| 5652196 |
Timed release of water-soluble plant nutrients |
Jul. 29, 1997 |
| 5411568 |
Highly available waste based nitrogen fertilizer |
May. 2, 1995 |
| 5378259 |
Process for granulating ammonium nitrate fertilizer |
Jan. 3, 1995 |
| 5211985 |
Multi-stage process for continuous coating of fertilizer particles |
May. 18, 1993 |
| 5152821 |
Addition of supplemental macro & micro nutrients to granular phosphatic fertilizers |
Oct. 6, 1992 |
| 5120345 |
Process for producing fertilizer granules |
Jun. 9, 1992 |
| 5118337 |
Method for preparing granular fertilizer from manure |
Jun. 2, 1992 |
| 5112379 |
Multicomponent soil supplement |
May. 12, 1992 |
| 5102440 |
Granular slow release fertilizer composition and process |
Apr. 7, 1992 |
| 5102441 |
Method of making a langbeinite slurry as a binder for MgO-containing fertilizers and fertilizers therefrom |
Apr. 7, 1992 |
| 5078779 |
Binder for the granulation of fertilizers such as ammonium sulfate |
Jan. 7, 1992 |
| 5043007 |
Process for the production of fertilizer and the fertilizer produced thereby |
Aug. 27, 1991 |
| 5039328 |
Process for producing a granular slow-acting nitrogenous fertilizer |
Aug. 13, 1991 |
| 5019148 |
Homogeneous mineral granules by acid-base reaction |
May. 28, 1991 |
| 4867930 |
Priller method |
Sep. 19, 1989 |
| 4857098 |
Sulfur-coated fertilizer granules and process of making same |
Aug. 15, 1989 |
| 4789391 |
Controlled release formulation for fertilizers |
Dec. 6, 1988 |
| 4758261 |
Diammonium phosphate produced with a high-pressure pipe reactor |
Jul. 19, 1988 |
| 4756738 |
Controlled release formulation for fertilizers |
Jul. 12, 1988 |
| 4701353 |
Process for the preparation of granules |
Oct. 20, 1987 |
| 4619843 |
Process for the preparation of granules |
Oct. 28, 1986 |
| 4619684 |
Pressure reactor for producing diammonium phosphate |
Oct. 28, 1986 |
| 4604126 |
NP/NPK fertilizer granules comprised of ammonium phosphate |
Aug. 5, 1986 |
| T105501 |
Granulation of crystalline by-product ammonium sulfate |
Jun. 4, 1985 |
| 4501773 |
Granulation process |
Feb. 26, 1985 |
| 4449900 |
Prilling |
May. 22, 1984 |
| 4424072 |
Prilling |
Jan. 3, 1984 |
| 4420319 |
Mushroom growth enhancers and method for preparing same |
Dec. 13, 1983 |
| 4409016 |
Process for preparing thermally stable ammonium nitrate-containing granules of high bulk density |
Oct. 11, 1983 |
| 4398936 |
Process for the preparation of a granular NPK fertilizer and granular NPK fertilizers obtained by this process |
Aug. 16, 1983 |
| 4395273 |
Preparation of multi-trace element fertilizers |
Jul. 26, 1983 |
| 4353709 |
Granulation process |
Oct. 12, 1982 |
| 4353730 |
Granulating process |
Oct. 12, 1982 |
| T102201 |
Granulation of urea phosphate from urea and merchant-grade phosphoric acid |
Sep. 7, 1982 |
| 4323386 |
Method of manufacturing NP- or NPK-containing fertilizers from magnesium containing phosphate |
Apr. 6, 1982 |
| 4316736 |
Process for preparing stabilized, ammonium nitrate containing granules |
Feb. 23, 1982 |
| 4302237 |
Sulfur product and method |
Nov. 24, 1981 |
| 4217114 |
Process for recovering powders obtained from apparatuses used for treating liquid or solid materials |
Aug. 12, 1980 |
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