Corning Incorporated

Corning Glass Works

Dentsply Research & Development Corp.

Paul Stephen Danielson

Robert Michael Morena

Robert Anthony Schaut

Steven Edward DeMartino

Santona Pal

John Stephen Peanasky

Theresa Chang

Andrei Gennadyevich Fadeev

Melinda Ann Drake

Christopher Lee Timmons

Natesan Venkataraman

Dana Craig Bookbinder

Steven Edward Demartino

Ronald Luce Verkleeren

Kaveh Adib

Susan Lee Schiefelbein

James Patrick Hamilton

Chandan Kumar Saha

Adam James Ellison

John E Megles, Jr

George Halsey Beall

Matthew John Dejneka

Stephan Lvovich Logunov

Timothy James Kiczenski

Adam J G Ellison

Henry Edwin Hagy

Sheryl L Hultman

Nicholas Francis Borrelli

Charlene Marie Smith

Kishor Purushottam Gadkaree

Bruce Gardiner Aitken

Alexander Mikhailovich Streltsov

Linda Ruth Pinckney

Ronald Leroy Stewart

Joseph Francis Schroeder, Iii

Paul D Hammesfahr

Joel P Carberry

William H Dumbaugh, Jr

Brent M Wedding

Josef C Lapp

Kamjula Pattabhirami Reddy

James Edward Dickinson, Jr

Mark Lawrence Powley

Paul Maynard Schermerhorn

Christine Coulter Wolcott

Johannes Moll

David C Boyd

Joseph Ference

Walter H Tarcza

Sara Jean Sick

Michael R Heslin

Lloyd G Young

Robert C Campbell

Albert J Werner

Ronald P Mattison

Dana Craig Brookbinder

Steven Edwards Demartino

Michael Robert Morena

Disclosed herein are glass containers which may include a glass body comprising an alkali aluminosilicate glass composition having a Class HGA1 hydrolytic resistance when tested according to the ISO 720:1985 testing standard. The glass body may have an interior surface and an exterior surface. A heat-tolerant coating may be bonded to at least a portion of the exterior surface of the glass body. The heat-tolerant coating may have a coefficient of friction of less than about 0.7 and is thermally stable at a temperature of at least 260° C. for 30 minutes. The heat-tolerant coating may comprise a polymer, and the heat-tolerant coating may have a thickness of less than or equal to 100 nm.

Delamination resistant glass containers with heat-tolerant coatings

The embodiments described herein relate to chemically and mechanically durable glass compositions and glass articles formed from the same. In embodiments, the glass composition may include 74-78 mol. % SiO; X mol. % AlO, wherein X is 5-7; alkaline earth oxide comprising MgO and CaO, wherein: CaO is 0.1-1.0 mol. %; MgO is 4-7 mol. %; and a ratio (CaO (mol. %)/(CaO (mol. %)+MgO (mol. %)) is less than or equal to 0.5. The glass composition may further include Y mol. % alkali oxide, wherein the alkali oxide comprises 9-13 mol. % NaO and less than or equal to 0.4 mol. % of a fining agent. The glass composition may be free of boron and compounds of boron.

Glass compositions with improved chemical and mechanical durability

A glass container for storing pharmaceutical formulations may include a glass body formed from a Type IA or Type IB glass composition according to ASTM Standard E438-92(2011). The glass body may include a wall portion with an inner surface and an outer surface, a heel portion and a floor portion, wherein the inner surface of the glass container is formed by the inner surface of the glass body. The glass body may include at least a class A2 base resistance or better according to ISO 695, at least a type HGB2 hydrolytic resistance or better according to ISO 719 and Type 1 chemical durability according to USP <660>. The glass container does not comprise a boron-rich layer on the inner surface of the glass body in as formed condition.

Glass containers with delamination resistance and improved damage tolerance

A coated glass pharmaceutical package includes a glass body having a Type 1 chemical durability according to USP 660, at least a class A2 base resistance or better according to ISO 695, and at least a type HGB2 hydrolytic resistance or better according to ISO 719, the glass body having an interior surface and an exterior surface and a wall extending therebetween. A lubricous coating having a thickness of less than or equal to 90 nm may be positioned on at least a portion of the exterior surface of the glass body but not on any portion of the interior surface. The portion of the coated glass package with the lubricous coating comprises a coefficient of friction that is at least 20% less than an uncoated glass package and the coefficient of friction does not increase by more than 30% after undergoing a depyrogenation cycle including exposure to a temperature of 250° C. for a time period of 30 minutes. A horizontal compression strength of the coated glass package is at least 10% greater than an uncoated glass package and the horizontal compression strength is not reduced by more than 20% after undergoing the depyrogenation cycle including exposure to a temperature of 250° C. for a time period of 30 minutes and then being abraded. The lubricous coating comprises a polymer.

Glass containers with improved strength and improved damage tolerance

Disclosed herein are delamination resistant glass pharmaceutical containers which may include a glass body having a Class HGA1 hydrolytic resistance when tested according to the ISO 720:1985 testing standard. The glass body may have an interior surface and an exterior surface. The interior surface of the glass body does not comprise a boron-rich layer when the glass body is in an as-formed condition. A heat-tolerant coating may be bonded to at least a portion of the exterior surface of the glass body. The heat-tolerant coating may have a coefficient of friction of less than about 0.7 and is thermally stable at a temperature of at least 250&#xb0; C. for 30 minutes.

The embodiments described herein relate to chemically and mechanically durable glass compositions and glass articles formed from the same. In an embodiment the glass composition may include from about 67 mol. % to about 80 mol. % SiO; from about 3 mol. % to about 13 mol. % alkaline earth oxide; from about 2 mol. % to about 10 mol. % AlO; from about 2 mol. % to about 18 mol. % alkali oxide, wherein the alkali oxide comprises non-zero amounts of NaO; from 0 mol. % to about 4 mol. % BO; and from about 0.01 mol. % to about 1 mol. % of a fining agent.

Embodiments of glass containers resistant to delamination and methods for forming the same are disclosed. According to one embodiment, a delamination resistant glass container may include a glass article having a body extending between an interior surface and an exterior surface. The body defines an interior volume. The body may include an interior region extending from 10 nm below the interior surface of the body into a thickness of the body. The interior region has a persistent layer homogeneity such that the body is resistant to delamination.

Delamination resistant glass containers

Glass pharmaceutical packages comprising glass containers are disclosed. In embodiments, a coated glass pharmaceutical package includes a glass container formed from one of a borosilicate glass composition that meets Type 1 criteria according to USP &#x3c;660&#x3e; or an alkali aluminosilicate glass having a Class HGA 1 hydrolytic resistance when tested according to the ISO 720-1985 testing standard. A lubricous coating may be positioned on at least a portion of the exterior surface of the glass container. The portion of the coated glass pharmaceutical package with the lubricous coating has a coefficient of friction that is at least 20% less than an uncoated glass container formed from the same glass composition. A horizontal compression strength of the portion of the coated glass pharmaceutical package with the lubricous coating may be at least 10% greater than an uncoated glass container formed from the same glass composition.

Disclosed herein are delamination resistant glass pharmaceutical containers which may include an aluminosilicate glass having a Class HGA 1 hydrolytic resistance when tested according to ISO 720-1985 testing standard. The glass containers may also have a compressive stress layer with a depth of layer of greater than 25 &#x3bc;m. A surface compressive stress of the glass containers may be greater than or equal to 350 MPa. The delamination resistant glass pharmaceutical containers may be ion exchange strengthened and the ion exchange strengthening may include treating the delamination resistant glass pharmaceutical container in a molten salt bath for a time less than or equal to 5 hours at a temperature less than or equal to 450&#xb0; C.

A delamination resistant glass pharmaceutical container may include a glass body comprising a borosilicate glass having a Type 1 chemical durability according to USP &#x3c;660&#x3e;. At least an inner surface of the glass body may have a delamination factor less than or equal to 10. A thermally stable coating may be positioned around at least a portion of the outer surface of the glass body. The thermally stable coating may be an outermost coating on the outer surface of the glass body and the outer surface of the glass body with the thermally stable coating has a coefficient of friction less than or equal to 0.7. The thermally stable coating comprising at least one of a metal nitride coating, a metal oxide coating, a metal sulfide coating, SiO, diamond-like carbon, graphene, and a carbide coating.

The embodiments described herein relate to chemically and mechanically durable glass compositions and glass articles formed from the same. In another embodiment, a glass composition may include from about 70 mol. % to about 80 mol. % SiO; from about 3 mol. % to about 13 mol. % alkaline earth oxide; X mol. % AlO; and Y mol. % alkali oxide. The alkali oxide may include NaO in an amount greater than about 8 mol. %. A ratio of Y:X may be greater than 1 and the glass composition may be free of boron and compounds of boron. In some embodiments, the glass composition may also be free of phosphorous and compounds of phosphorous. Glass articles formed from the glass composition may have at least a class S3 acid resistance according to DIN 12116, at least a class A2 base resistance according to ISO 695, and a type HGA1 hydrolytic resistance according to ISO 720.

A coated glass container having a Type 1 chemical durability according to USP 660 (2011), a class A2 base resistance or better according to ISO 695, and a type HGB2 hydrolytic resistance or better according to ISO 719. The glass body having an interior surface and an exterior surface. A lubricous coating having a thickness of &#x3c;100 microns positioned on the exterior surface. The portion of the exterior surface with the coating having a coefficient of friction that is at least 20% less than an uncoated glass container formed from the same glass composition and does not increase by more than 30% after undergoing depyrogenation at about 260&#xb0; C. for 30 minutes. A horizontal compression strength of the coated glass container is at least 10% greater than an uncoated glass container formed from the same glass composition and is not reduced by more than 20% after heat treatment at about 260&#xb0; C. for 30 minutes.

Described herein are alkali-free, boroalumino silicate glasses exhibiting desirable physical and chemical properties for use as substrates in flat panel display devices, such as, active matrix liquid crystal displays (AMLCDs). In accordance with certain of its aspects, the glasses possess good dimensional stability as a function of temperature.

Glass compositions having high thermal and chemical stability and methods of making thereof

The glass containers described herein have at least two performance attributes selected from resistance to delamination, improved strength, and increased damage resistance. In one embodiment, a glass container may include a body having an inner surface, an outer surface and a wall thickness extending between the outer surface and the inner surface. At least the inner surface of the body may have a delamination factor less than or equal to 10. A tenacious inorganic coating may be positioned around at least a portion of the outer surface of the body. The outer surface of the body with the tenacious inorganic coating may have a coefficient of friction less than or equal to 0.7.

In embodiments, a delamination resistant glass pharmaceutical package includes a glass body formed from a Type 1 Class glass composition according to ASTM Standard E438-92, the glass body having a wall portion with an inner surface and an outer surface. The glass body may have at least a class A2 base resistance or better according to ISO 695, at least a type HGB2 hydrolytic resistance or better according to ISO 719 and Type 1 chemical durability according to USP &#x3c;660&#x3e;. An interior region of the glass body may extend from about 10 nm below the inner surface and have a persistent layer homogeneity. The glass body may also have a surface region extending over the inner surface and having a persistent surface homogeneity such that the glass body is resistant to delamination.

Growing community of inventors

Dundee, NY, United States of America

Paul Stephen Danielson