US3000775A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheathed polyester laminates
Assignee: Continental Can Co Inc
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Filing: 1956-11-21
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Granted: 1961-09-19
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Expires: 1976-11-21
Abstract
No abstract record available.
Inventors
- 👤 Jr Fred B Shaw
- 👤 John B Merriam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:15
CPC Classifications
B; B32; B32B; B32B27/00; C; C08; C08L; C08L67/00; C08L67/06; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31786
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
190 words
THE METHOD OF PREPARING A LAMINATED STRUCTURE HAVING A SURFACE LAYER OF LINEAR POLYMERIC ETHYLENE GLYCOL TEREPHTHALATE WHICH COMPRISES COATING A SURFACE OF A SHEET OF THE SAID LINEAR POLYMERIC MATERIAL WITH A BONDING COMPOSITION CONSISTING AS COMPONENTS OF AT LEAST 20 PERCENT BY WEIGHT OF LIQUID POLYESTER WITH ALKYLENE SUBSTITUTION, AT LEAST 18 PERCENT BY WEIGHT OF MONOMERIC DIALLYL ESTER OF A DIABASIC ORGANIC ACID, AND AT LEAST 20 PERCENT BY WEIGHT OF POLYVINYL ACETAL, TOGETHER WITH A CATALYST CONSISTING OF A PER-COMPOUND EFFECTIVE FOR POLYMERZING THE COMPOSITION AND SELECTED FROM THE GROUP CONSISTING OF PEROXIDES, HYDROPEROXIDES AND PERBENZOATES, IN A VOLATILE SOLVENT FOR THE SAID COMPONENTS, EXPOSING THE COATING AT A TEMPERATURE FOR VOLATILIZATION OF THE SOLVENT, APPLYING THE COATED SURFACE OF THE SAID LINEAR POLYMERIC MATERIAL TO CORE LAMINATION MATERIAL INCLUDING REINFORCING MATERIAL AND HAVING A SATURANT IN AND ON SAID REINFORCING MATERIAL OF A CURABLE LIQUID POLYESTER COMPOSITION WITH SAID COATING COMPOSITION IN CONTACT WITH THE CORE MATERIAL, AND HEATING FOR EFFECTING CONCURRENT CURING OF SAID BONDING COMPOSITION AND SAID POLYESTER COMPOSITION AND THEREBY EFFECTING ADHESION OF THE SURFACE LAYER TO THE CURED CORE LAMINATION MATERIAL.
Claim 2
Independent Claim
190 words
THE METHOD OF PREPARING A LAMINATED STRUCTURE HAVING A SURFACE LAYER OF LINEAR POLYMERIC ETHYLENE GLYCOL TEREPHTHALATE WHICH COMPRISES COATING A SURFACE OF A SHEET OF THE SAID LINEAR POLYMERIC MATERIAL WITH A BONDING COMPOSITION CONSISTING AS COMPONENTS OF AT LEAST 20 PERCENT BY WEIGHT OF LIQUID POLYESTER WITH ALKYLENE SUBSTITUTION, AT LEAST 18 PERCENT BY WEIGHT OF MONOMERIC DIALLYL ESTER OF A DIABASIC ORGANIC ACID, AND AT LEAST 20 PERCENT BY WEIGHT OF POLYVINYL ACETAL, TOGETHER WITH A CATALYST CONSISTING OF A PER-COMPOUND EFFECTIVE FOR POLYMERZING THE COMPOSITION AND SELECTED FROM THE GROUP CONSISTING OF PEROXIDES, HYDROPEROXIDES AND PERBENZOATES, IN A VOLATILE SOLVENT FOR THE SAID COMPONENTS, EXPOSING THE COATING AT A TEMPERATURE FOR VOLATILIZATION OF THE SOLVENT, APPLYING THE COATED SURFACE OF THE SAID LINEAR POLYMERIC MATERIAL TO CORE LAMINATION MATERIAL INCLUDING REINFORCING MATERIAL AND HAVING A SATURANT IN AND ON SAID REINFORCING MATERIAL OF A CURABLE LIQUID POLYESTER COMPOSITION WITH SAID COATING COMPOSITION IN CONTACT WITH THE CORE MATERIAL, AND HEATING FOR EFFECTING CONCURRENT CURING OF SAID BONDING COMPOSITION AND SAID POLYESTER COMPOSITION AND THEREBY EFFECTING ADHESION OF THE SURFACE LAYER TO THE CURED CORE LAMINATION MATERIAL.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |