US4584236A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass pane having low emissivity, particular for vehicles
Assignee: Saint Gobain Vitrage SA
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Filing: 1984-07-24
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Granted: 1986-04-22
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Expires: 2004-07-24
Abstract
Abstract The invention relates to a pane coated with a metal oxide coating, particularly a pane for an automobile window. The inventive pane bears a coating on its face intended to be disposed on the interior of the vehicle, which coating is comprised of a metal oxide of low emissivity. Such a pane improves the physiological comfort of the passengers, particularly during cold periods.
Inventors
- 👤 Daniel Colmon
- 👤 Bernard Letemps
- 👤 Jean-Pierre Delpeyroux
- 👤 Jacques Fremeaux
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:20
CPC Classifications
C; C03; C03C; C03C17/00; C03C17/22; C03C17/23; B; B60; B60J; B60J3/00; B60J3/007; B60J1/00; B60J1/002; C03C2217/00; C03C2217/20; C03C2217/21; C03C2217/211; C03C2217/229; C03C2217/24; C03C2217/241; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/261
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
71 words
A pane whic comprises a light transmissive sheet which defines the exterior-interior boundary of a compartment, said sheet having a coating disposed on the face of said sheet directed to the interior of said compartment and said coating having a high light transmission value and low emissivity, said coated pane having an overall transmission value of at least 0.70, and wherein said coating is exposed to the interior of said compartment.
Claim 2
Dependent Claim
71 words
A pane whic comprises a light transmissive sheet which defines the exterior-interior boundary of a compartment, said sheet having a coating disposed on the face of said sheet directed to the interior of said compartment and said coating having a high light transmission value and low emissivity, said coated pane having an overall transmission value of at least 0.70, and wherein said coating is exposed to the interior of said compartment.
Claim 3
Dependent Claim
31 words
The pane of claim 1 wherein the coating comprises at least one member selected from the group consisting of the oxides of Fe, Cr, Co, Ti, al, Sn, Cu, and In.
Claim 4
Dependent Claim
16 words
The pane of claim 1 wherein said coating has a thickness of up to 3000 angstroms.
Claim 5
Dependent Claim
15 words
The pane of claim 1 wherein said coating has an emissivity of up to 0.40.
Claim 6
Dependent Claim
17 words
The pane of claim 1 wherein said sheet has a visible light transmission of at least 0.80.
Claim 7
Dependent Claim
12 words
The pane of claim 5 wherein said sheet is a glass sheet.
Claim 8
Dependent Claim
17 words
The pane of claim 5 wherein said sheet has a visible light transmission coefficient of about 0.90.
Claim 9
Dependent Claim
14 words
The pane of claim 1 wherein said coating comprises tin oxide doped with fluorine.
Claim 10
Dependent Claim
14 words
The pane of claim 8 wherein said coating has an emissivity of about 0.3.
Claim 11
Dependent Claim
17 words
The pane of claim 9 wherein said coating has a thickness of about 1634 to 1650 Å.
Claim 12
Dependent Claim
17 words
The pane of claim 8 wherein said coating has a thickness of about 2400 to 2450 angstroms.
Claim 13
Dependent Claim
14 words
The pane of claim 11 wherein said coating has an emissivity of about 0.25.
Claim 14
Dependent Claim
21 words
The pane of claim 1 wherein said coating is deposited on said sheet, said sheet being tinted in its internal mass.
Claim 15
Dependent Claim
13 words
The pane of claim 1 wherein said coating is supplied with electric power.
Claim 16
Dependent Claim
13 words
The pane of claim 14 comprising contact strips for supplying the electric power.
Claim 17
Dependent Claim
21 words
The pane of claim 15 wherein said contact strips are disposed in the direction of the longitudinal dimension of the pane.
Claim 18
Dependent Claim
13 words
The pane of claim 1 wherein said pane is used in an automobile.
Claim 19
Dependent Claim
30 words
The pane of claim 13, wherein said sheet is comprised of glass internally colored by selenium and/or oxides of the group consisting of Fe, Co, Ni, Cr and mixtures thereof.
References Cited (Backward Citations)
US2676117A
Cited
US2944926A
Cited
US3244547A
Cited
US4101705A
Cited
US4190452A
Cited
FR2399331A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-04-21 | 1989-10-21 | 1990-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-04-21 | 1993-10-21 | 1994-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-04-21 | 1997-10-21 | 1998-04-22 | $7700.00 | Window Closed / Lapsed |