Patent · US Expired

Active-substance vector multiparticulate system, production and use thereof

US6916481B1 · kind B1 · utility

20Cited by
2References
31Claims
0Family size

Assignees

Inventors

Key dates

Filing dateApr 12, 2000
Grant dateJul 12, 2005
Priority date
Expiry dateApr 12, 2020

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC11D17/0034
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The invention relates to an active substance vector multiparticulate system and to the production and use thereof. The object of the invention is an active-substance vector multiparticulate system comprising one or several active substances included in a hydrophilic organic matrix comprising at least one hydrosoluble and/or hydrodispersable anionic polymer which is insolubilized by a metallic cation. The invention can be specifically used in the food industry, detergents and agrochemistry.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.