Patent · US Expired

Xanthan gum therapeutic compositions

US4136177A · kind A · utility

83Cited by
9References
12Claims
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 primaryA61K31/715
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Ophthalmic compositions are disclosed comprising an ophthalmic drug and xanthan gum.

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