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Class Information
Number: 71/27
Name: Chemistry: fertilizers > Processes and products > Organic material-containing > From synthetic material
Description: Processes which include preparing synthetic organic fertilizers and the corresponding products.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5372748 |
Agent inhibiting the corrosive characteristics of nitrogenous fertilizing solutions, process using the said agent and nitrogenous fertilizing solutions containing the said agent |
Dec. 13, 1994 |
| RE34670 |
Inoculant composition for plants |
Jul. 26, 1994 |
| 5264018 |
Use of metallic peroxides in biormediation |
Nov. 23, 1993 |
| 5234485 |
Method of immobilizing contaminants in the soil or in materials similar to the soil |
Aug. 10, 1993 |
| 5221313 |
Micronutrient delivery systems using hydrophilic polyacrylamides |
Jun. 22, 1993 |
| 5209768 |
Method of improving sod growth |
May. 11, 1993 |
| 5186731 |
Method and compositions for promoting mushroom growth |
Feb. 16, 1993 |
| 5185024 |
Application of agricultural polyammonium acrylate or polyacrylamide hydrogels |
Feb. 9, 1993 |
| 5176734 |
Granular fertilizer with a decomposable coating and process for producing the same |
Jan. 5, 1993 |
| 5152820 |
Iron chelate compositions |
Oct. 6, 1992 |
| 5152822 |
Slow release oxamide fertilizer |
Oct. 6, 1992 |
| 5147442 |
Coated granular fertilizer |
Sep. 15, 1992 |
| 5125950 |
Soil conditioner |
Jun. 30, 1992 |
| 5123950 |
Coated agricultural chemicals |
Jun. 23, 1992 |
| 5120344 |
Method for producing a barrier layer in soil |
Jun. 9, 1992 |
| 5106406 |
Method for desalination and rehabilitation of irrigated soil |
Apr. 21, 1992 |
| 5104436 |
Method of producing glyoxylated hydroxypropyl guar and liquid plant treatment composition containing same |
Apr. 14, 1992 |
| 5102440 |
Granular slow release fertilizer composition and process |
Apr. 7, 1992 |
| 5099049 |
Chelate compositions and their production |
Mar. 24, 1992 |
| 5047078 |
Method and compositions for increasing plant growth |
Sep. 10, 1991 |
| 5039327 |
Stabilized solid thiocarbonate compositions and methods for making same |
Aug. 13, 1991 |
| 5013349 |
Soil conditioner and method of producing the same |
May. 7, 1991 |
| 5006147 |
Biodegradable barrier films of ionomer polymer |
Apr. 9, 1991 |
| 4997469 |
High integrity, low odor, natural based nitrogenous granules for agriculture |
Mar. 5, 1991 |
| 4985060 |
Soil conditioners |
Jan. 15, 1991 |
| 4979980 |
Biodegradable barrier films of ionomer polymer |
Dec. 25, 1990 |
| 4975107 |
Soil treating method and composition for conserving nitrogen in naturally alkaline soil |
Dec. 4, 1990 |
| 4969946 |
Soil treating method and composition for conserving nitrogen in naturally alkaline soil |
Nov. 13, 1990 |
| 4964894 |
Plant growth regulators derived from chitin |
Oct. 23, 1990 |
| 4954154 |
Controlled release fertilizer gel composition and process for its production |
Sep. 4, 1990 |
| 4932992 |
Dual purpose urease and nitrification inhibitors |
Jun. 12, 1990 |
| 4932991 |
Thiopyridine-N-oxides, thiopyridines, and thiopyrimidines as urease inhibitors |
Jun. 12, 1990 |
| 4927636 |
Association complex comprising pullulan and polyethylene glycol, and preparation and uses of the same |
May. 22, 1990 |
| 4927447 |
Soil amendment material and process for preparation thereof |
May. 22, 1990 |
| 4925476 |
Azole hemiaminal derivatives and their use as nitrification inhibitors |
May. 15, 1990 |
| 4923500 |
Method for desalination and rehabilitation of irrigated soil |
May. 8, 1990 |
| 4919702 |
Fertilizer and/or soil amendment |
Apr. 24, 1990 |
| 4881963 |
Granuler fertilizer with a degradative coating |
Nov. 21, 1989 |
| 4872899 |
Treatment of plant chlorosis with rhodotorulic acid |
Oct. 10, 1989 |
| 4849005 |
Inoculant composition for plants |
Jul. 18, 1989 |
| 4846870 |
Fertilizer and/or soil amendment |
Jul. 11, 1989 |
| 4839461 |
Polyaspartic acid from maleic acid and ammonia |
Jun. 13, 1989 |
| 4832728 |
Fertilizer compositions, processes of making them, and pocesses of using them |
May. 23, 1989 |
| 4812158 |
Caking-preventing agent for fertilizer |
Mar. 14, 1989 |
| 4812159 |
Plant growth regulators derived from chitin |
Mar. 14, 1989 |
| 4808206 |
Microcapsules and methods for their preparation |
Feb. 28, 1989 |
| 4804402 |
Preparation of natural fertilizing material |
Feb. 14, 1989 |
| 4797145 |
Method of agricultural soil improvement |
Jan. 10, 1989 |
| 4789391 |
Controlled release formulation for fertilizers |
Dec. 6, 1988 |
| 4786307 |
Chelated plant nutrients |
Nov. 22, 1988 |
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