US3268639A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods for manufacturing transfer materials
Assignee: International Business Machines Corp
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Filing: 1963-12-26
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Granted: 1966-08-23
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Expires: 1983-12-26
Abstract
No abstract record available.
Inventors
- 👤 Lewis G Taft
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:00
CPC Classifications
B; B41; B41J; B41J31/00; B41J31/05; B41J31/06; B41M; B41M5/00; B41M5/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A MTEHOD FOR PRODUCING A SELF-SUPPORTING TRANSFER ELEMENT COMPRISING: HEATING AND MIXING FROM ABOUT 20 TO 75 PERCENT BY WEIGHT OF A THERMOPLASTIC POLYMER, UP TO ABOUT 50 PERCENT BY WEIGHT OF A PLASTICIZER WHICH IS INCOMPATIBLE WITH SAID POLYMER AT ABOUT ROOM TEMPERATURE AND AN ORANIC DYE WHICH IS SOLUBLE IN SAID PLASTICIZER TO FORM A HOMOGENEOUS MIXTURE, FORMING SAID MIXTURE INTO A FLAT SHEET, AND BRINGING SAID SHEET TO ABOUT ROOM TEMPERATURE TO EXUDE A SOLUTION OF SAID DYE IN SAID PLASTICIZER AND THUS FORM A PRESSURE TRANSFERABLE FILM ON THE SURFACE OF SAID SHEET.
Claim 2
Dependent Claim
97 words
A MTEHOD FOR PRODUCING A SELF-SUPPORTING TRANSFER ELEMENT COMPRISING: HEATING AND MIXING FROM ABOUT 20 TO 75 PERCENT BY WEIGHT OF A THERMOPLASTIC POLYMER, UP TO ABOUT 50 PERCENT BY WEIGHT OF A PLASTICIZER WHICH IS INCOMPATIBLE WITH SAID POLYMER AT ABOUT ROOM TEMPERATURE AND AN ORANIC DYE WHICH IS SOLUBLE IN SAID PLASTICIZER TO FORM A HOMOGENEOUS MIXTURE, FORMING SAID MIXTURE INTO A FLAT SHEET, AND BRINGING SAID SHEET TO ABOUT ROOM TEMPERATURE TO EXUDE A SOLUTION OF SAID DYE IN SAID PLASTICIZER AND THUS FORM A PRESSURE TRANSFERABLE FILM ON THE SURFACE OF SAID SHEET.
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) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |