Patent · US Expired

Mixed xanthan gum and locust beam gum therapeutic compositions

US4136173A · kind A · utility

60Cited by
9References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 31, 1977
Grant dateJan 23, 1979
Priority date
Expiry dateJan 31, 1997

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K47/36
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

New compositions comprising xanthan gum, locust bean gum, and a pharmaceutical agent in a pharmaceutically acceptable liquid vehicle. More specifically these compositions are useful in drug delivery systems, particularly for ophthalmic drugs.

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