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Class Information
Number: 71/64.07
Name: Chemistry: fertilizers > Processes and products > Forms or conditioning > Coating
Description: Subject matter wherein the material is covered with a material.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6139597 |
Controlled release fertilizer compositions and processes for the preparation thereof |
Oct. 31, 2000 |
| 6133197 |
Microencapsulated compositions |
Oct. 17, 2000 |
| 6080221 |
Vacuum coated particulate fertilizers |
Jun. 27, 2000 |
| 6045810 |
Reinforced-resin coated plant food granules |
Apr. 4, 2000 |
| 6039781 |
Precoated controlled release fertilizers and processes for their preparation |
Mar. 21, 2000 |
| 6015445 |
Anti-caking solids |
Jan. 18, 2000 |
| 6001147 |
Unsymmetrical polyureaurethane fertilizer encapsulation |
Dec. 14, 1999 |
| 5997601 |
Method for making moisture resistant calcium-containing particles |
Dec. 7, 1999 |
| 5993505 |
Controlled release fertilizer compositions and processes for the preparation thereof |
Nov. 30, 1999 |
| 5994265 |
Seed coating composition of gypsum with molybdenum |
Nov. 30, 1999 |
| 5984994 |
Sulfur coated fertilizers with improved abrasion resistance |
Nov. 16, 1999 |
| 5980601 |
Anti-caking solids |
Nov. 9, 1999 |
| 5976210 |
Method of manufacture for biological carrier with wicking action and controlled release plant food and microbe food source |
Nov. 2, 1999 |
| 5968222 |
Dust reduction agents for granular inorganic substances |
Oct. 19, 1999 |
| 5964917 |
Free-flowing fertilizer compositions |
Oct. 12, 1999 |
| 5938813 |
Granular coated particles containing urea and metal nitrate, and process for making the same |
Aug. 17, 1999 |
| 5917110 |
Moisture-resistant calcium containing particles |
Jun. 29, 1999 |
| 5912398 |
Biomediated continuous release phosphate fertilizer |
Jun. 15, 1999 |
| 5900387 |
Method of and products for promoting improved growth of plants and more water-efficient growing soil or other media and the like with zeolite crystals treated with preferably water-based plant |
May. 4, 1999 |
| 5885320 |
Anti-caking process |
Mar. 23, 1999 |
| 5851261 |
Process for the production of polyurea encapsulated fertilizer particles and the encapsulated fertilizer particles produced by this process |
Dec. 22, 1998 |
| 5849060 |
Controlled release fertilizer and preparations thereof |
Dec. 15, 1998 |
| 5803946 |
Controlled release plant nutrients |
Sep. 8, 1998 |
| 5766615 |
Compositions of insoluble film-forming polymers and uses therefor |
Jun. 16, 1998 |
| 5766302 |
Fertilizer coating process |
Jun. 16, 1998 |
| 5741521 |
Biodegradable controlled release amylaceous material matrix |
Apr. 21, 1998 |
| 5725885 |
Composition for enhanced bioremediation of oil |
Mar. 10, 1998 |
| 5704962 |
Granular fertilizers |
Jan. 6, 1998 |
| 5698002 |
Controlled release fertilizers utilizing an epoxy polymer primer coat and methods of production |
Dec. 16, 1997 |
| 5698005 |
Composition which is simultaneously anticlumping and water-repellant for salts, simple and complex fertilizers and process for the use thereof |
Dec. 16, 1997 |
| 5679128 |
Dry-bonded nonionic adjuvants |
Oct. 21, 1997 |
| 5676729 |
Particulate urea with mineral filler incorporated for hardness |
Oct. 14, 1997 |
| 5654033 |
Solid fertilizer with a modifier bound to its surface |
Aug. 5, 1997 |
| 5652196 |
Timed release of water-soluble plant nutrients |
Jul. 29, 1997 |
| 5645624 |
Granular fertilizer with a multilayer coating |
Jul. 8, 1997 |
| 5630861 |
Controlled release fertilizers |
May. 20, 1997 |
| 5628813 |
Abrasion resistant topcoats for control release coatings |
May. 13, 1997 |
| 5618329 |
Bioremediation of hydrocarbon contaminated soils and water |
Apr. 8, 1997 |
| 5603745 |
Agricultural composition and conditioning agent for reducing hygroscopicity and dust formation of fertilizers |
Feb. 18, 1997 |
| 5599374 |
Process for producing improved sulfur-coated urea slow release fertilizers |
Feb. 4, 1997 |
| 5567221 |
Compositions and methods for use in aquaculture |
Oct. 22, 1996 |
| 5560768 |
Method for preparing an encapsulated slow-release particulate fertilizer |
Oct. 1, 1996 |
| 5549728 |
Urea-containing fertilizer with reduced rate of ammonia release |
Aug. 27, 1996 |
| 5547486 |
Machine system and process for producing attrition resistant slow release fertilizers |
Aug. 20, 1996 |
| 5538531 |
Controlled release fertilizers and methods of production |
Jul. 23, 1996 |
| 5538531 |
Controlled release fertilizers and methods of production |
Jul. 23, 1996 |
| 5501720 |
Spray-dried urea-formaldehyde and lignosulfonate compositions |
Mar. 26, 1996 |
| 5480584 |
Method for dust-control treatment |
Jan. 2, 1996 |
| 5478375 |
Sealants for fertilizer compositions containing natural waxes |
Dec. 26, 1995 |
| 5476528 |
System for improving material release profiles |
Dec. 19, 1995 |
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