Patent · US Expired

Film-forming compositions for enveloping solid forms, particularly pharmaceutical or food products or seeds, and products obtained, coated with said compositions

US4576646A · kind A · utility

23Cited by
4References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 31, 1984
Grant dateMar 18, 1986
Priority date
Expiry dateOct 31, 2004

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L1/284
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

The present invention relates to film-forming compositions for enveloping solid forms such as pharmaceutical or food products or seeds, wherein they comprise, by weight: PA1 15 to 85% of a cellulosic film-forming substance, PA1 10 to 70% of at least one alpha-cellulose, PA1 5 to 30% of at least one plasticizer suitable for consumption.

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