Cápsula de liberación, solución polimérica, método de producción de cápsulas, urea encapsulada

• Main Authors: Antonio Carlos Silva DOS SANTOS, Miria Hespanhol Miranda REIS, Humberto Molinar HENRIQUE, Vicelma Luiz CARDOSO
• Format: Patent
• Language: Spanish
• Published: 05.04.2024
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; FERTILISERS; FERTILISERS CHARACTERISED BY THEIR FORM; MANUFACTURE THEREOF; METALLURGY; MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENTSUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVINGA SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES,SOIL-CONDITIONERS, WETTING AGENTS; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP

La presente invención se refiere al campo de sistemas de liberación controlada de una sustancia en un medio, así como a formas de realización por cápsulas con la utilización de polímeros biodegradables como la lignina y el PVA. The present invention relates to the field of controlled release systems of a substance in a medium, as well as embodiments by capsules using biodegradable polymers such as lignin and PVA.