US3350205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of image reproduction by photopolymerization and blushing
Assignee: Xerox Corp
•
Filing: 1964-04-27
•
Granted: 1967-10-31
•
Expires: 1984-04-27
Abstract
No abstract record available.
Inventors
- 👤 William L Goffe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:28
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
THE METHOD OF IMAGE CONFIGURATION COMPRISING: (A) FORMING A LAYER OF PHOTOPOLYMERIZABLE MATERIAL ON A SUPPORTING SUBSTRATE; (B) EXPOSING SAID LAYER TO A PATTERN OF ACTINIC ELECTROMAGNETIC RADIATION WHEREBY EXPOSED AREAS PHOTOPOLYMERIZE; (C) SOFTENING BOTH SAID POLYMERIZED AND UNPOLYMERIZED AREAS BY PROLONGED EXPOSURE TO A SOLVENT VAPOR; (D) ALLOWING SAID LAYER TO DRY IN A HUMID ATMOSPHERE SO THAT THE ENTIRE LAYER SURFACE BLUSHES; (E) APPLYING TO SAID LAYER A SOLVENT WHICH MORE RAPIDLY DISSOLVES SAID UNPOLYMERIZED AREAS THAN SAID POLYMERIZED AREAS; (F) DRYING SAID LAYER, WHEREBY BACKGROUND AREAS RETURN TO AN UNBLUSHED CONDITION.
Claim 2
Independent Claim
94 words
THE METHOD OF IMAGE CONFIGURATION COMPRISING: (A) FORMING A LAYER OF PHOTOPOLYMERIZABLE MATERIAL ON A SUPPORTING SUBSTRATE; (B) EXPOSING SAID LAYER TO A PATTERN OF ACTINIC ELECTROMAGNETIC RADIATION WHEREBY EXPOSED AREAS PHOTOPOLYMERIZE; (C) SOFTENING BOTH SAID POLYMERIZED AND UNPOLYMERIZED AREAS BY PROLONGED EXPOSURE TO A SOLVENT VAPOR; (D) ALLOWING SAID LAYER TO DRY IN A HUMID ATMOSPHERE SO THAT THE ENTIRE LAYER SURFACE BLUSHES; (E) APPLYING TO SAID LAYER A SOLVENT WHICH MORE RAPIDLY DISSOLVES SAID UNPOLYMERIZED AREAS THAN SAID POLYMERIZED AREAS; (F) DRYING SAID LAYER, WHEREBY BACKGROUND AREAS RETURN TO AN UNBLUSHED CONDITION.
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) | 1970-10-30 | 1971-05-01 | 1971-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-30 | 1975-05-01 | 1975-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-30 | 1979-05-01 | 1979-10-31 | $7700.00 | Window Closed / Lapsed |