Patent US3877962A successfully refreshed from Google Patents.
US3877962A
Expired / Lapsed
US
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Substrate coating composition and process
Assignee: OI Glass Inc
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Filing: 1972-12-18
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Granted: 1975-04-15
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Expires: 1992-12-18
Abstract
Abstract There is disclosed a composition and process for applying an inorganic layer to a substrate which comprises dispersing at least one particulate, solid, inorganic substance in at least one thermally thinnable fugitive vehicle, the vehicle being viscous and non-drying at the temperature of substrate application and convertible to a low viscosity liquid on heating to a higher temperature and thermally removable on heating to a still higher temperature.
Inventors
- 👤 Lynn J Taylor
- 👤 John D Grier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:28
CPC Classifications
C; C03; C03C; C03C17/00; B; B22; B22F; B22F3/00; B22F3/22; C03C17/22; C23; C23C; C23C24/00; C23D; C23D5/00; C23D5/02; B22F2998/00; C03C2217/00; C03C2217/20; C03C2217/21; C03C2217/25; C03C2217/28; C03C2218/00; C03C2218/10; C03C2218/11; C03C2218/17; Y; Y10; Y10S; Y10S106/00; Y10S106/901
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
154 words
A process for applying a layer of at least one particulate, solid, inorganic substance to a substrate, which process comprises: dispersing the inorganic substance in at least one thermally thinnable fugitive vehicle which is viscous and non-drying at the temperature of substrate application and convertible to a low viscosity liquid at a higher temperature and thermally removable at a still higher temperature; applying the vehicle dispersed, particulate, solid, inorganic substance to a substrate at a temperature at which the vehicle is viscous and non-drying; heating the substrate applied vehicle to a higher temperature so as to convert the viscous vehicle to a low viscosity liquid film; allowing the dispersed, solid substance to settle to the lower region of such film; heating the vehicle to a higher temperature so as to thermally remove the vehicle from the substrate; and then heating to bond the particulate, solid, inorganic substance by fusion or sintering to the substrate.
Claim 2
Dependent Claim
154 words
A process for applying a layer of at least one particulate, solid, inorganic substance to a substrate, which process comprises: dispersing the inorganic substance in at least one thermally thinnable fugitive vehicle which is viscous and non-drying at the temperature of substrate application and convertible to a low viscosity liquid at a higher temperature and thermally removable at a still higher temperature; applying the vehicle dispersed, particulate, solid, inorganic substance to a substrate at a temperature at which the vehicle is viscous and non-drying; heating the substrate applied vehicle to a higher temperature so as to convert the viscous vehicle to a low viscosity liquid film; allowing the dispersed, solid substance to settle to the lower region of such film; heating the vehicle to a higher temperature so as to thermally remove the vehicle from the substrate; and then heating to bond the particulate, solid, inorganic substance by fusion or sintering to the substrate.
Claim 3
Dependent Claim
42 words
THE INVENTION OF CLAIM 1 WHEREIN THE FUGITIVE VEHICLE IS A LOW-MOLECULAR-WEIGHT LIQUID CONSISITING OF AT LEAST ONE POLYMER SELECTED FROM POLYETHERS, POLY(ALKL METHACRYLATES), METHACRYLATE COPOLYMERS, POLYCARBONATES, POLYESTERS, POLYISOBUTYLENE, POLYSTRENE, POLY(ALKYL VINYL ETHERS), STRENE/ALPHA-METHYLSTRENE COPYOLYMERS, VINYL TOLUENE/ALPHAMETHYLYSTRENE COPYLOMERS, AND OLEFIN-SULFUR DIOXIDE COPYOLMERS.
Claim 4
Dependent Claim
63 words
The invention of claim 1 wherein the fugitive vehicle is a solution of at least one high-molecular-weight solid polymer in at least one low-molecular-weight liquid polymer, said polymers being selected from the same or different members of the following classes: polyethers, poly(alkyl methacrylates), methacrylate copolymers, polycarbonates, polyesters, polyisobutylene, polystyrene, poly(alkyl vinyl ethers), styrene/alpha-methylstyrene copolymers, vinyl toluene/alpha-methylstyrene copolymers, olefin/sulfur dioxide copolymers, and cellulose derivatives.
Claim 5
Dependent Claim
73 words
The invention of claim 1 wherein the fugitive vehicle is a solution of at least one high-molecular-weight polymer in at least one organic compound boiling above 200*C; said polymer being selected from polyethers, poly(alkyl methacrylates), methacrylate copolymers, polycarbonates, polyesters, polyisobutylene, polystyrene, poly(alkyl vinyl ethers), styrene/alpha-methylstyrene copolymers, vinyl toluene/alpha-methylstyrene copolymers, olefin-sulfur dioxide copolymers, and cellulose derivatives; and the organic compound being selected from esters, ketones, ethers, hydroxy compounds, hydrocarbons, organic phosphates, and chlorinated hydrocarbons.
Claim 6
Dependent Claim
23 words
The invention of claim 1 wherein the particulate solid inorganic substance is selected from glasses, ceramic materials, inorganic oxides, metals, colorants, and phosphors.
Claim 7
Dependent Claim
37 words
The invention of claim 1 wherein the settling of the solid substance is conducted at a temperature between 50* and 200*C., and the thermal removal of the vehicle is conducted at a temperature between 200* and 400*C.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-04-14 | 1978-10-14 | 1979-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-04-14 | 1982-10-14 | 1983-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-04-14 | 1986-10-14 | 1987-04-15 | $7700.00 | Window Closed / Lapsed |