Patent · US Active

Device for packaging and dispensing a substance for ophthalmic use

US10993835B2 · kind B2 · utility

0Cited by
1References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 12, 2018
Grant dateMay 4, 2021
Priority date
Expiry dateFeb 23, 2039

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49405
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

Device for packaging and dispensing drops of a substance for ophthalmic use, generally fluid, semi-fluid or in suspension, emulsion or oily solution including a dispensing accessory with a first valve made of an elastomer material that allows the substance to pass through when the dispensing accessory is stressed, without allowing outside air to pass through in the opposite direction when the dispensing accessory is relaxed, characterized in that the first valve is covered by a layer of Parylene.

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