| Patent Number |
Title Of Patent |
Date Issued |
| 6039781 |
Precoated controlled release fertilizers and processes for their preparation |
March 21, 2000 |
| A controlled release fertilizer formed from nutrient granules having intermediate or precoat layers of organic oil, such as raw linseed oil, prior to application of a polymeric, encapsulating coat. The precoat may also contain a binding agent, such as a fine clay, and a drier. The new |
| 5466274 |
Abrasion resistant coatings for fertilizers |
November 14, 1995 |
| Polymer topcoated sulfur coated fertilizer compositions are provided which exhibit slow release characteristics and are abrasion resistant, free flowing, non-smearing and essentially dustless products. |
| 5405426 |
Processes for the preparation of sulfur coated fertilizers and products produced thereby |
April 11, 1995 |
| Extended residual, controlled release sulfur coated fertilizers having polymeric topcoats applied over a sulfur coating layer are prepared wherein the sulfur coating contains a sufficient amount of a crystalline sulfur allotrope in combination with at least a minimal level of carbon |
| 5219465 |
Sulfur coated fertilizers and process for the preparation thereof |
June 15, 1993 |
| Extended residual, controlled release sulfur coated fertilizer products having polymeric topcoats applied thereover are provided which release the fertilizer at a diffusion controlled rate essentially linearly over time. Processes are also provided for preparation of such products. |
| 4636242 |
Sulfur-based encapsulants for fertilizers |
January 13, 1987 |
| A slow release particulate fertilizer product in which the fertilizer particles are encapsulated with a sulfur coating. The sulfur coating is substantially crystalline and contains in admixture therewith from 0.05 to 2% (by weight of the coating) of a substituted symmetrical dialkyl |
| 3942973 |
Herbicidal compositions containing para-substituted benzenesulfonylureas and salts thereof and m |
March 9, 1976 |
| Benzenesulfonylureas of the formula: ##SPC1##Where R is methyl or ethyl, R.sub.1 is methyl or ethyl, and R.sub.2 is hydrogen, methyl, or ethyl and salts of those benzenesulfonylureas of formula I having the formula: ##SPC2##Where R, R.sub.1, and R.sub.2 are as aforesaid, and Z is an |
