Patent US3377165A successfully refreshed from Google Patents.
US3377165A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of copying utilizing a blush lacquer coating and a photodecomposable progenitor of a plasticizer
Assignee: 3M Co
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Filing: 1964-01-22
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Granted: 1968-04-09
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Expires: 1984-01-22
Abstract
No abstract record available.
Inventors
- 👤 Wesley R Workman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:49
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/52; G03C1/54; G03C1/72; G03C1/73; G03C1/733
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
75 words
A METHOD OF COPYING COMPRISING: EXPOSING TO A LIGHTPATTERN A COPY-SHEET HAVING A PHOTOSENSITIVE LAYER INCLUDING A PLASTICIZABEL FILM-FORMING THERMOPLASTIC NONWATER-SOLUBLE POLYMERIC ORGANIC BINDER MATERIAL AND IN INTIMATE ASSOCIATION THEREWITH A PHOTODECOMPOSABLE ORGANIC PROGENITOR OF A PLASTICIZER THEREFOR, THE EXPOSURE BEING SUFFICIENT TO DECOMPOSE SZID PROGENITOR AND LIBERATE SAID PLASTICIZER; AND THEN HEATING SAID COPY-SHEET TO CAUSE FUSION OF HTE BINDER MATERIAL ONLY AT THE TUS PLASTICIZED AREA SUCH THAT A VISIBLE IMAGE IS FORMED.
Claim 2
Independent Claim
75 words
A METHOD OF COPYING COMPRISING: EXPOSING TO A LIGHTPATTERN A COPY-SHEET HAVING A PHOTOSENSITIVE LAYER INCLUDING A PLASTICIZABEL FILM-FORMING THERMOPLASTIC NONWATER-SOLUBLE POLYMERIC ORGANIC BINDER MATERIAL AND IN INTIMATE ASSOCIATION THEREWITH A PHOTODECOMPOSABLE ORGANIC PROGENITOR OF A PLASTICIZER THEREFOR, THE EXPOSURE BEING SUFFICIENT TO DECOMPOSE SZID PROGENITOR AND LIBERATE SAID PLASTICIZER; AND THEN HEATING SAID COPY-SHEET TO CAUSE FUSION OF HTE BINDER MATERIAL ONLY AT THE TUS PLASTICIZED AREA SUCH THAT A VISIBLE IMAGE IS FORMED.
Claim 3
Dependent Claim
110 words
METHOD OF COPYING ON A COPY-SHEET HAVING A THIN UNIFORM NON-TRANSPARENT SURFACE LAYER COMPRISING A PLASTICIZABLE FILM-FORMING THEREMOPLASTIC NON-WATER-SOLUBLE POLYMERIC ORGANIC BINDER MATERIAL IN POROUS BLUSH FORM, COMPRISING: EXPOSING TO A LIGHT-PATTERN A SHEET MATERIAL HAVING A SURFACE LAYER OF A PHOTODECOMPOSABLE ORGANIC PROGENITOR OF A PLASTICIZER FOR SAID BINDER MATERIAL, THE EXPOSRE BEINGSUFFICIENT TO DECOMPOSE SAID PROGENITOR AND LIBERATE SAID PLASTICIZER; AND THEN HEATING SAID SHEET MATERIAL WITH ITS SAID SURFACE LAYER IN CONTACT WITH THE SURFACE LAYER OF SAID COPY-SHEET TO CAUSE PLASTICIZATION AND REDUCTION IN FUSION TEMPERTURE OF SAID BINDER MATERIAL BY SAID PLASTICIZER SUCH THAT A VISIBLE IMAGE IS FORMED IN THE COPY-SHEET ON FURTHER HEATING.
Claim 4
Dependent Claim
110 words
METHOD OF COPYING ON A COPY-SHEET HAVING A THIN UNIFORM NON-TRANSPARENT SURFACE LAYER COMPRISING A PLASTICIZABLE FILM-FORMING THEREMOPLASTIC NON-WATER-SOLUBLE POLYMERIC ORGANIC BINDER MATERIAL IN POROUS BLUSH FORM, COMPRISING: EXPOSING TO A LIGHT-PATTERN A SHEET MATERIAL HAVING A SURFACE LAYER OF A PHOTODECOMPOSABLE ORGANIC PROGENITOR OF A PLASTICIZER FOR SAID BINDER MATERIAL, THE EXPOSRE BEINGSUFFICIENT TO DECOMPOSE SAID PROGENITOR AND LIBERATE SAID PLASTICIZER; AND THEN HEATING SAID SHEET MATERIAL WITH ITS SAID SURFACE LAYER IN CONTACT WITH THE SURFACE LAYER OF SAID COPY-SHEET TO CAUSE PLASTICIZATION AND REDUCTION IN FUSION TEMPERTURE OF SAID BINDER MATERIAL BY SAID PLASTICIZER SUCH THAT A VISIBLE IMAGE IS FORMED IN THE COPY-SHEET ON FURTHER HEATING.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-09 | 1971-10-09 | 1972-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-09 | 1975-10-09 | 1976-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-09 | 1979-10-09 | 1980-04-09 | $7700.00 | Window Closed / Lapsed |