US3347702A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming an electrostatic printing base
Assignee: Arthur D Little Inc
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Filing: 1966-09-12
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Granted: 1967-10-17
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Expires: 1986-09-12
Abstract
No abstract record available.
Inventors
- 👤 John J Clancy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:21
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/05; G03G5/0503; G03G5/0507; G03G5/0525
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
METHOD OF FORMING A PRINTING BASE SUITABLE FOR ELECTROSTATIC PRINTING, COMPRISING THE STEPS OF (A) DISSOLVING A FILM-FORMING PHOTOCONDUCTIVE MATERIAL IN A SOLVENT HAVING SUFFICIENT VOLATILITY TO PERMIT ITS SUBSEQUENT REMOVAL BY EVAPORATION FROM THE RESULTING SOLUTION; (B) INTRODUCING INTO SAID SOLUTION A VOLATILE LIQUID IMMISCIBLE WITH SAID SOLVENT THEREBY TO FORM AN EMULSION IN WHICH SAID SOLUTION OF SAID FILM-FORMING PHOTOCONDUCTIVE MATERIAL IS THE CONTINUOUS PHASE; (C) APPLYING A FILM OF SAID EMULSION TO THE SURFACE OF A SUBSTRATE THEREBY T DEPOSIT A COATING ON SAID SURFACE; AND
Claim 2
Dependent Claim
89 words
METHOD OF FORMING A PRINTING BASE SUITABLE FOR ELECTROSTATIC PRINTING, COMPRISING THE STEPS OF (A) DISSOLVING A FILM-FORMING PHOTOCONDUCTIVE MATERIAL IN A SOLVENT HAVING SUFFICIENT VOLATILITY TO PERMIT ITS SUBSEQUENT REMOVAL BY EVAPORATION FROM THE RESULTING SOLUTION; (B) INTRODUCING INTO SAID SOLUTION A VOLATILE LIQUID IMMISCIBLE WITH SAID SOLVENT THEREBY TO FORM AN EMULSION IN WHICH SAID SOLUTION OF SAID FILM-FORMING PHOTOCONDUCTIVE MATERIAL IS THE CONTINUOUS PHASE; (C) APPLYING A FILM OF SAID EMULSION TO THE SURFACE OF A SUBSTRATE THEREBY T DEPOSIT A COATING ON SAID SURFACE; AND
References Cited (Backward Citations)
US3108009A
Cited
US3255039A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-16 | 1971-04-17 | 1971-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-16 | 1975-04-17 | 1975-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-16 | 1979-04-17 | 1979-10-17 | $7700.00 | Window Closed / Lapsed |