US2566982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for manufacturing embossed vinyl resin film
Assignee: EIDP Inc
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Filing: 1946-08-01
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Granted: 1951-09-04
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Expires: 1966-08-01
Abstract
No abstract record available.
Inventors
- 👤 Harold S Clemens
- 👤 Raymond E Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:49
CPC Classifications
C; C08; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
THE PROCESS OF MANUFACTURING UNSUPPORTED VINYL RESIN FILMS WHICH COMPRISES THE STEPS OF (1) SPREADING A PLASTISOL DISPERSION COMPRISING A POLYVINYL CHLORIDE RESIN AND PLASTICIZER ON A FABRIC CARRIER WHICH HAS BEEN IMPREGNATED WITH CELLULOSE ACETOBUTYRATE, SAID POLYVINYL CHLORIDE RESIN CONTAINING FROM 95 TO 100% POLYVINYL CHLORIDE, (2) SUBJECTING THE SAID DISPERSION TO HEAT WHILE MOUNTED ON THE SAID CARRIER UNTIL THE RESIN IS GELATINIZED AND A TOUGH, DURABLE FILM IS PRODUCED, (3) EMBOSSING THE SAID FILM WHILE SECURED TO THE CARRIER ALLOWING IT TO COOL, AND SUBSEQUENTLY (4) SEPARATING IT FROM THE SAID CARRIER, THE ADHESION BETWEEN THE GELATINIZED FILM AND THE CARRIER BEING OF THE ORDER OF 0.1 POUND TO 3.0 POUNDS PER 2 INCH WIDTH WHEN STRIPPED AT THE RATE OF 12 INCHES PER MINUTE.
Claim 2
Dependent Claim
128 words
THE PROCESS OF MANUFACTURING UNSUPPORTED VINYL RESIN FILMS WHICH COMPRISES THE STEPS OF (1) SPREADING A PLASTISOL DISPERSION COMPRISING A POLYVINYL CHLORIDE RESIN AND PLASTICIZER ON A FABRIC CARRIER WHICH HAS BEEN IMPREGNATED WITH CELLULOSE ACETOBUTYRATE, SAID POLYVINYL CHLORIDE RESIN CONTAINING FROM 95 TO 100% POLYVINYL CHLORIDE, (2) SUBJECTING THE SAID DISPERSION TO HEAT WHILE MOUNTED ON THE SAID CARRIER UNTIL THE RESIN IS GELATINIZED AND A TOUGH, DURABLE FILM IS PRODUCED, (3) EMBOSSING THE SAID FILM WHILE SECURED TO THE CARRIER ALLOWING IT TO COOL, AND SUBSEQUENTLY (4) SEPARATING IT FROM THE SAID CARRIER, THE ADHESION BETWEEN THE GELATINIZED FILM AND THE CARRIER BEING OF THE ORDER OF 0.1 POUND TO 3.0 POUNDS PER 2 INCH WIDTH WHEN STRIPPED AT THE RATE OF 12 INCHES PER MINUTE.
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) | 1954-09-03 | 1955-03-05 | 1955-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-03 | 1959-03-05 | 1959-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-03 | 1963-03-05 | 1963-09-04 | $7700.00 | Window Closed / Lapsed |