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Class Information
Number: 71/903
Name: Chemistry: fertilizers > Soil conditioner
Description: Art collection involving material having values which treat the soil other than providing nutriments for plants.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4699644 |
Plant nutrient composition |
Oct. 13, 1987 |
| 4687505 |
Method for desalination and rehabilitation of irrigated soil |
Aug. 18, 1987 |
| 4684391 |
Organic ameliorators protected by a hydrocarbon structure allowing the improvements of soil properties |
Aug. 4, 1987 |
| 4670039 |
Timed release fertilizer composition and means |
Jun. 2, 1987 |
| 4605550 |
Delayed release formulations and processes for making them |
Aug. 12, 1986 |
| 4579578 |
Plant growing media |
Apr. 1, 1986 |
| 4575391 |
Process and compositions for conditioning soils |
Mar. 11, 1986 |
| 4571254 |
Method for producing fertilizer from tree ash and softwood bark or from other tree waste |
Feb. 18, 1986 |
| 4568373 |
Soil amendment matters |
Feb. 4, 1986 |
| 4566896 |
Method and media for stimulating growth in foliage plants |
Jan. 28, 1986 |
| 4563207 |
Clay-breaking and fertilizing composition and method of breaking and fertilizing heavy and compacted soils |
Jan. 7, 1986 |
| 4559074 |
Water absorbing polymers |
Dec. 17, 1985 |
| 4559076 |
Nitrogen fertilization |
Dec. 17, 1985 |
| 4552581 |
Method of inhibiting nitrification of ammonium nitrogen |
Nov. 12, 1985 |
| 4551167 |
Method of soil nitrification inhibition by application of a stabilized fumigant composition |
Nov. 5, 1985 |
| 4549897 |
Protein degraded pre-vulcanized natural rubber coated slow release fertilizers |
Oct. 29, 1985 |
| 4541857 |
Organic growth inducing compound developed from coal and additives |
Sep. 17, 1985 |
| 4540427 |
Method for improving water retention qualities of soil and an agent for performing this method |
Sep. 10, 1985 |
| 4539036 |
Method of facilitating vegetation |
Sep. 3, 1985 |
| 4534782 |
Method for increasing the biological value of manures, dung-waters, organic wastes and/or soils rich in lysine |
Aug. 13, 1985 |
| 4482371 |
Method and composition for suppressing the nitrification of ammonium nitrogen in soil |
Nov. 13, 1984 |
| 4473390 |
Soil product |
Sep. 25, 1984 |
| 4470839 |
Solid particles containing metal peroxides, their preparation and their use for the amendment of soils |
Sep. 11, 1984 |
| 4447541 |
Methods for decontaminating soil |
May. 8, 1984 |
| 4420320 |
Method of biologically drying waste material |
Dec. 13, 1983 |
| 4411683 |
Process of preparing solid controlled release fertilizer composition |
Oct. 25, 1983 |
| 4405354 |
Elimination of odors from waste material |
Sep. 20, 1983 |
| 4402725 |
Fertilizers |
Sep. 6, 1983 |
| 4396412 |
Ion exchanger fertilizers |
Aug. 2, 1983 |
| 4394150 |
Sulphur-clay prills |
Jul. 19, 1983 |
| 4394213 |
Hydroxy-aluminum/lignin sulfonate compositions |
Jul. 19, 1983 |
| 4385500 |
Method and apparatus for the adiabatic expansion of liquid anhydrous ammonia |
May. 31, 1983 |
| 4380886 |
Method of promoting water transport through soil |
Apr. 26, 1983 |
| T102902 |
Granular urea - urea phosphate fertilizer |
Apr. 5, 1983 |
| 4378238 |
Controlled release particulate fertilizer composition |
Mar. 29, 1983 |
| 4369054 |
Fiber/slag composition |
Jan. 18, 1983 |
| 4353729 |
Plant fertilizing and growth activating structures and applications thereof |
Oct. 12, 1982 |
| 4348218 |
Fertilizer briquette adapted to be hammered into the ground |
Sep. 7, 1982 |
| 4337078 |
Substrate for cultivation of agricultural crops and rooting of green cuttings in greenhouses and in open air |
Jun. 29, 1982 |
| 4334905 |
Agrochemical agents and their use |
Jun. 15, 1982 |
| 4321076 |
Media for stimulating growth in foliage plants |
Mar. 23, 1982 |
| 4317670 |
Microbiological process for recultivation of industrial refuse heaps |
Mar. 2, 1982 |
| 4310552 |
Casting perlite before the swine |
Jan. 12, 1982 |
| 4303438 |
Method for stabilization of soil aggregates |
Dec. 1, 1981 |
| 4301620 |
Method of promoting water transport through soil |
Nov. 24, 1981 |
| 4302237 |
Sulfur product and method |
Nov. 24, 1981 |
| 4295762 |
Grouting-soil conditioning systems using polyoxyethylene diacrylates |
Oct. 20, 1981 |
| 4294604 |
Use of selected N-(2,6-dimethylphenyl)-alanine methyl ester compounds as ammonium nitrification compounds |
Oct. 13, 1981 |
| 4279635 |
Process for treating phosphatic clay suspensions |
Jul. 21, 1981 |
| 4251255 |
Agrochemical agents and their use |
Feb. 17, 1981 |
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