US3230131A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Allyl resin laminates
Assignee: FMC Corp
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Filing: 1961-04-27
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Granted: 1966-01-18
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Expires: 1981-04-27
Abstract
No abstract record available.
Inventors
- 👤 Richard M Mcfarland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:22
CPC Classifications
B; B32; B32B; B32B27/00; B44; B44C; B44C5/00; B44C5/04; B44C5/0469; D; D21; D21H; D21H17/00; D21H17/20; D21H17/33; D21H17/34; D21H17/36; D21H27/00; D21H27/18; D21H27/22; D21H27/26; D21H23/00; D21H23/02; D21H23/22; D21H23/30; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24851; Y10T428/24934; Y10T428/31504; Y10T428/31855; Y10T428/3188; Y10T428/31895; Y10T428/31906
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
207 words
THE METHOD OF PRODUCING DECORATIVE LAMINATES WHICH ARE CHARACTERIZED BY A UNIFORM RESIN COATING ABOUT 3 TO 6 MILS IN THICKNESS, BY LAMINATING DECORATIVE PAPER TO A RIGID CORE MATERIAL BY THE PROCESS WHICH COMPRISES THE STEPS OF IMPREGNATING A SHEET OF DECORATIVE PAPER ABOUT 3 TO 8 MILS IN THICKNESS, SAID DECORATIVE PAPER HAVING BEEN DENSIFIED BY THE SUPERCALENDERING PROCESS TO A GURLEY DENSOMETER READING OF 250 TO 450 SECONDS PER 400 ML., WITH A SOLUTION COMPRISING (A)) DIALLYL PHTHALATE, 90-98% OF SAID DIALLYL PHTHALATE BEING A THERMOPLASTIC DIALLYL PHTHALATE POLYMER AND THE OTHER 2-10% BEING DIALLYL PHTHALATE MONOMER, (B) ACATALYTIC AMOUNT OF AN ORGANIC PEROXIDE AND (C) A VOLATILE SOLVENT, AND DRYING SAID IMPREGNATED PAPER UNTIL SAID PAPER IS IMPREGNATED WITH A TOTAL OF ABOUT 53% TO 67% OF DIALLYL PHTHALATE, BY WEIGHT OF PAPER, AND HAS A RESIDUAL VOLATILE CONTENT OF LESS THAN ABOUT 8%, MEASURED AS MATERAIL VOLATILE AFTER HEATING THE DRIED PAPER FOR 10 MINUTES AT 320*F.; AND LAMINATING THE DRIED IMPREGNATED PAPER TO THE SURFACE OF SAID CORE MATERIAL, AT A TEMPERATURE AND PRESSURE AND FOR A TIME SUFFICIENT TO CONVERT THE DIALLYL PHTHALATE TO A THERMOSET RESIN, THEREBY FORMING ALAMINATE COATED WITH A RESIN SURFACE ABOUT 3-6 MILS IN THICKNESS.
Claim 2
Independent Claim
207 words
THE METHOD OF PRODUCING DECORATIVE LAMINATES WHICH ARE CHARACTERIZED BY A UNIFORM RESIN COATING ABOUT 3 TO 6 MILS IN THICKNESS, BY LAMINATING DECORATIVE PAPER TO A RIGID CORE MATERIAL BY THE PROCESS WHICH COMPRISES THE STEPS OF IMPREGNATING A SHEET OF DECORATIVE PAPER ABOUT 3 TO 8 MILS IN THICKNESS, SAID DECORATIVE PAPER HAVING BEEN DENSIFIED BY THE SUPERCALENDERING PROCESS TO A GURLEY DENSOMETER READING OF 250 TO 450 SECONDS PER 400 ML., WITH A SOLUTION COMPRISING (A)) DIALLYL PHTHALATE, 90-98% OF SAID DIALLYL PHTHALATE BEING A THERMOPLASTIC DIALLYL PHTHALATE POLYMER AND THE OTHER 2-10% BEING DIALLYL PHTHALATE MONOMER, (B) ACATALYTIC AMOUNT OF AN ORGANIC PEROXIDE AND (C) A VOLATILE SOLVENT, AND DRYING SAID IMPREGNATED PAPER UNTIL SAID PAPER IS IMPREGNATED WITH A TOTAL OF ABOUT 53% TO 67% OF DIALLYL PHTHALATE, BY WEIGHT OF PAPER, AND HAS A RESIDUAL VOLATILE CONTENT OF LESS THAN ABOUT 8%, MEASURED AS MATERAIL VOLATILE AFTER HEATING THE DRIED PAPER FOR 10 MINUTES AT 320*F.; AND LAMINATING THE DRIED IMPREGNATED PAPER TO THE SURFACE OF SAID CORE MATERIAL, AT A TEMPERATURE AND PRESSURE AND FOR A TIME SUFFICIENT TO CONVERT THE DIALLYL PHTHALATE TO A THERMOSET RESIN, THEREBY FORMING ALAMINATE COATED WITH A RESIN SURFACE ABOUT 3-6 MILS IN THICKNESS.
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) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |