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US3240932A Expired / Lapsed US ⏱️ 0.0 years remaining

Reversible printing method

Assignee: International Business Machines Corp
•
Filing: 1962-10-31
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Granted: 1966-03-15
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Expires: 1982-10-31
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Abstract

No abstract record available.

Inventors

  • 👤 Robert S Haines

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 02:03
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/26; B41M5/36; B41M5/363; B41M5/124

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 130 words
A REVERSIBLE PRINTING METHOD, COMPRISING: APPLYING GRAPHIC REPRESENTATIONS BY FORMING TRANSPARENT AND TRANSLUCENT STRESS MICRO-CRYSTALLIZED AREAS IN A SUBSTRATE SUPPORTED COATING; SAID COATING COMPRISING A CONTINOUS PHASE OF A HIGH SOFTENING POLYMER, AND A LOW SOFTENIN RESINOUS MATERIAL DISPERSED WITHIN AID CONTINUOUS PHASE FROM THE GROUP CONSISTING OF ORTHO AND META BIPHENYL BENZENE, ROSIN, ABIETIC ACID, POLYMERIZED ABIETIC ACID, HYDROGENATED ABIETIC ACID, HYDROGENATED ROSIN, POLYMERIZED ROSIN, THE PENTAERYTHRITO ESTER OF ROSIN, AND THE PENTAERYTHRITOL ESTER OF ABIETIC ACID; SAID LOW SOFTENING MATERIAL BEING COMPATIBLE WITH SAID HIGH SOFTENING POLYMER TO THE EXTENT THAT THE UNSTRESSED COATING IS SUBSTANTIALLY TANPARENT; AND SAID HIGH SOFTENING POLYMER HAVING A SOFTENING TEMPERATURE AT LEAST 10*C. HIGHER THAN SAID LOW SOFTENING MATERIAL; AND REMOVING SAID RAPHIC REPRESENTATIONS BY HEATING SAID COATING TO ITS TRANSPARENT CONDITION.
Claim 2
Dependent Claim 130 words
A REVERSIBLE PRINTING METHOD, COMPRISING: APPLYING GRAPHIC REPRESENTATIONS BY FORMING TRANSPARENT AND TRANSLUCENT STRESS MICRO-CRYSTALLIZED AREAS IN A SUBSTRATE SUPPORTED COATING; SAID COATING COMPRISING A CONTINOUS PHASE OF A HIGH SOFTENING POLYMER, AND A LOW SOFTENIN RESINOUS MATERIAL DISPERSED WITHIN AID CONTINUOUS PHASE FROM THE GROUP CONSISTING OF ORTHO AND META BIPHENYL BENZENE, ROSIN, ABIETIC ACID, POLYMERIZED ABIETIC ACID, HYDROGENATED ABIETIC ACID, HYDROGENATED ROSIN, POLYMERIZED ROSIN, THE PENTAERYTHRITO ESTER OF ROSIN, AND THE PENTAERYTHRITOL ESTER OF ABIETIC ACID; SAID LOW SOFTENING MATERIAL BEING COMPATIBLE WITH SAID HIGH SOFTENING POLYMER TO THE EXTENT THAT THE UNSTRESSED COATING IS SUBSTANTIALLY TANPARENT; AND SAID HIGH SOFTENING POLYMER HAVING A SOFTENING TEMPERATURE AT LEAST 10*C. HIGHER THAN SAID LOW SOFTENING MATERIAL; AND REMOVING SAID RAPHIC REPRESENTATIONS BY HEATING SAID COATING TO ITS TRANSPARENT CONDITION.

References Cited (Backward Citations)

US2346670A Cited
US2269038A Cited
US2492512A Cited
US2637871A Cited
US2859351A Cited
US2765286A Cited
US2970974A Cited
US3025180A Cited
US3090697A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-03-14 1969-09-13 1970-03-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-03-14 1973-09-13 1974-03-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-03-14 1977-09-13 1978-03-15 $7700.00 Window Closed / Lapsed

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