Patent · US Expired

Polymer composition for injection molding

US4673438A · kind A · utility

201Cited by
10References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 8, 1985
Grant dateJun 16, 1987
Priority date
Expiry dateNov 8, 2005

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB29L2031/7174
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Capsules and other shaped products formed from a moldable starch composition in an injection molding device is disclosed in the present invention. The composition comprising starch having a molecular mass range of 10,000 to 20,000,000 Dalton, and a water content range from 5 to 30% by weight. The starch contains about 0 to 100% of amylose, and about 100 to 0% of amylo-pectin.

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