Glass articles with low-friction coatings
US9744099B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 21, 2016 |
| Grant date | Aug 29, 2017 |
| Priority date | — |
| Expiry date | Oct 21, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31623
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A coated glass pharmaceutical package may include a body formed from borosilicate glass that meets the Type 1 criteria according to USP <660>. The body may have an interior surface and an exterior surface. A low-friction coating having a thickness of less than 100 microns may be positioned on at least a portion of the exterior surface. The portion of the exterior surface with the low-friction coating may have a coefficient of friction that is at least 20% less than an uncoated glass pharmaceutical package formed from the same glass composition and the coefficient of friction may not increase by more than 30% after undergoing a depyrogenation cycle at a temperature of from 250° C. to 400° C. for a time period of from 30 seconds to 72 hours.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.