# US 11,028,009 B2 · Coefficient of thermal expansion filler for vanadium-based frit materials and/or methods of making and/or using the same

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- Number: US 11,028,009 B2
- Document ID: US11028009B2
- Status: Granted
- Kind: B2
- Application number: 16/432,080
- Filed: 2019-06-05
- Published: 2019-10-10
- Granted: 2021-06-08
- Earliest claimed: 2011-02-22
- Assignees: Guardian Glass, LLC
- Applicants: Guardian Glass, LLC
- Inventors: Timothy A. Dennis
- Web page: https://patentgrep.com/patent/US11028009B2

## CPC

- C03C 8/24: Fusion seal compositions being frit compositions having non-frit additions, i.e. for use as seals between dissimilar materials, e.g. glass and metal; Glass solders
- C03C 8/04: containing zinc
- E06B 3/67334: {by soldering; Preparing the panes therefor}
- E06B 3/6736: {Heat treatment (for soldering E06B3/67334)}
- E06B 3/677: Evacuating or filling the gap between the panes {; Equilibration of inside and outside pressure}; Preventing condensation in the gap between the panes (by means of spacing elements E06B3/663); Cleaning the gap between the panes
- E06B 3/673: Assembling the units (E06B3/677 takes precedence {; making hollow glass sheets or bricks C03B23/24})
- Y02B 80/22: Glazing, e.g. vaccum glazing
- C03C: CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- E06B: FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES (shades or blinds for greenhouses A01G9/22; curtains A47H; lids for car boots or bonnets B62D25/10; skylights E04B7/18; sunshades, awnings E04F10/00)
- Y02B: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS

## Abstract

Certain example embodiments relate to seals for glass articles. Certain example embodiments relate to a composition used for sealing an insulted glass unit. In certain example embodiments the composition includes vanadium oxide, barium oxide, zinc oxide, and at least one additional additive. For instance, another additive that is a different metal oxide or different metal chloride may be provided. In certain example embodiments, a composition may be combined with a binder solution that substantially or completely burns out by the time the composition is melted. In certain example embodiments, a CTE filler is included with a frit material. In certain example embodiments, a vacuum insulated glass unit includes first and second glass substrates that are sealed together with a seal that includes the above-described composition.

## Claims

### Claim 1

A method of making a vacuum insulated glass (VIG) unit, the method comprising:
providing first and second glass substrates, spaced apart from each other, a gap being defined between the first and second glass substrates;
having an edge sealing material proximate to the first and/or second glass substrates; and
applying energy to the edge sealing material so as to melt the edge sealing material;
wherein the edge sealing material comprises vanadium oxide, barium oxide, and zinc oxide as the three largest components, and further comprises niobium oxide.

### Claim 2 (depends on 1)

The method of claim 1, wherein the niobium oxide comprises Nb2O5.

### Claim 3

A method of making a vacuum insulated glass (VIG) unit, the method comprising:
providing first and second glass substrates, spaced apart from each other, a gap being defined between the first and second glass substrates;
having an edge sealing material proximate to the first and/or second glass substrates; and
applying energy to the edge sealing material so as to melt the edge sealing material;
wherein the edge sealing material comprises vanadium oxide, barium oxide, and zinc oxide as the three largest components, and further comprises niobium oxide and tellurium oxide.

### Claim 4 (depends on 3)

The method of claim 3, wherein the tellurium oxide comprises TeO2.