Patent · US Expired

Controlled release coated agricultural products

US5939356A · kind A · utility

44Cited by
5References
20Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 19, 1997
Grant dateAug 17, 1999
Priority date
Expiry dateJun 19, 2017

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC05G5/36
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Controlled release coated agricultural products comprising agricultural chemicals, seed, or mixtures thereof coated with an environmentally degradable amorphous alkene-sulfur copolymer are disclosed. Also disclosed is the process of making such products, preferably by coating with a molten copolymer and then cooling to harden the coating of copolymer about the agricultural products.

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