US3181965A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat-sensitive copying sheet and method of making
Assignee: Interchemical Corp
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Filing: 1961-10-24
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Granted: 1965-05-04
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Expires: 1981-10-24
Abstract
No abstract record available.
Inventors
- 👤 Francis W Michelotti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:39
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/26; B41M5/36; B41M5/366; Y; Y10; Y10S; Y10S430/00; Y10S430/165; Y10T; Y10T428/00; Y10T428/25; Y10T428/254; Y10T428/31504; Y10T428/31855; Y10T428/31935
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
THE METHOD OF MAKING A HEAT-SENSITIVE COPYING SHEET ADAPTED ON BEING PLACED IN CONTACT WITH A GRAPHIC ORIGINAL AND ON IRRADIATION OF SAID GRAPHIC ORIGINAL WITH HIGH INTENSITY INFRARED RADIATION TO PROVIDE AN IMAGE ON SAID COPYING SHEET CORREPSONDING TO THE GRAPHIC ORIGINAL WHICH METHOD COMPRISES MIXING A LATEX COMPRISING ACRYLIC RESIN PARTICLES HAVING A SOFTENING TEMPERATURE WITHIN THE RANGE OF 70* TO 120*C. DISPERSED IN WATER WITH A SOLUTION COMPRISING A TRANSPARENT FILM-FORMING ORGANIC BINDER INFUSIBLE WITHIN SAID SOFTENING RANGE DISSOLVED IN AN ORGANIC SOLVENT, SAID PARTICLES BEING INSOLUBLE IN SAID SOLUTION, SEPARATING THE WATER FROM THE RESULTING MIXTURE TO PRODUCE AN ORGANIC DISPERSION OF SAID ACRYLIC RESIN PARTICLES IN SAID SOLUTION, COATING SAID RESULTING DISPERSION ON A NON-METALLIC SUPPORTING BASE AND DRYING SAID COATING.
Claim 2
Independent Claim
126 words
THE METHOD OF MAKING A HEAT-SENSITIVE COPYING SHEET ADAPTED ON BEING PLACED IN CONTACT WITH A GRAPHIC ORIGINAL AND ON IRRADIATION OF SAID GRAPHIC ORIGINAL WITH HIGH INTENSITY INFRARED RADIATION TO PROVIDE AN IMAGE ON SAID COPYING SHEET CORREPSONDING TO THE GRAPHIC ORIGINAL WHICH METHOD COMPRISES MIXING A LATEX COMPRISING ACRYLIC RESIN PARTICLES HAVING A SOFTENING TEMPERATURE WITHIN THE RANGE OF 70* TO 120*C. DISPERSED IN WATER WITH A SOLUTION COMPRISING A TRANSPARENT FILM-FORMING ORGANIC BINDER INFUSIBLE WITHIN SAID SOFTENING RANGE DISSOLVED IN AN ORGANIC SOLVENT, SAID PARTICLES BEING INSOLUBLE IN SAID SOLUTION, SEPARATING THE WATER FROM THE RESULTING MIXTURE TO PRODUCE AN ORGANIC DISPERSION OF SAID ACRYLIC RESIN PARTICLES IN SAID SOLUTION, COATING SAID RESULTING DISPERSION ON A NON-METALLIC SUPPORTING BASE AND DRYING SAID COATING.
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) | 1968-05-03 | 1968-11-02 | 1969-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-03 | 1972-11-02 | 1973-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-03 | 1976-11-02 | 1977-05-04 | $7700.00 | Window Closed / Lapsed |