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US 12,473,229 B2Granted
Reinforced glass container, method for producing pharmaceutical container, and method for producing reinforced glass container
AssigneeAGC Inc.
InventorsTatsuya Terada, Mai Nishi, Tomoya Hosoda
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Abstract
To provide a reinforced glass container which has impact resistance and which can be used for treatment involving exposure to high temperatures or ultraviolet irradiation. The reinforced glass container of the present invention comprises a glass container and a polymer layer provided on the outer surface of the glass container and having a thickness of more than 1 μm, wherein the polymer layer contains a tetrafluoroethylene type polymer having a melting temperature of more than 260° C. and having carbonyl group-containing groups or hydroxy group-containing groups.
Claims13
A reinforced glass container, comprising:
- a glass container and
- a polymer layer provided directly on an outer surface of the glass container and having a thickness of more than 1 μm,
- wherein
- the polymer layer contains a tetrafluoroethylene type polymer as the only resin material contained therein, and
- the tetrafluoroethylene type polymer
- has a melting temperature of more than 260° C. measured by DSC,
- has a compressive strength of more than 12 MPa to at most 40 MPa measured by ASTM-D695,
- contains carbonyl group-containing groups or hydroxy group-containing groups,
- contains units based on a perfluoro (alkyl vinyl ether) other than CF2═CFOCF3 and CF2═CFOCF2CF3, and
- does not contain units based on CF2CFOCF3 or CF2═CFOCF2CF3.
7 more elements
Dependencies are inferred from the claim text.