Patent US3455688A successfully refreshed from Google Patents.
US3455688A
Expired / Lapsed
US
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Lacquer emulsion for presensitized lithographic plates
Assignee: Imperial Metal and Chemical Co
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Filing: 1966-02-10
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Granted: 1969-07-15
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Expires: 1986-02-10
Abstract
No abstract record available.
Inventors
- 👤 Dolor N Adams
- 👤 Jack L Sorkin
- 👤 Daniel C Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:57
CPC Classifications
B; B41; B41N; B41N3/00; B41N3/08; C; C09; C09D; C09D171/00; Y; Y10; Y10S; Y10S430/00; Y10S430/146
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
IN A METHOD OF PREPARING LITHOGRAPHIC PRINTING PLATES, THE STEP COMPRISING DEVELOPING A LIGHT-EXPOSED SURFACE OF SUCH PLATE WITH A LACQUER EMULSION COMPRISING A TWO-PHASE LIQUID COMPOSITION HAVING AN AQUEOUS PHASE COMPRISING AN AQUEOUS DESENSITIZING SOLUTION AND A NONAQUEOUS RESINOUS PHASE COMPRISING AN ESSENTIALLY WATERINSOLUBLE SOLVENT AND A HIGH MOLECULAR WEIGHT PHENOXY RESIN CONTAINING AS A RECURRING STRUCTURE;
Claim 2
Dependent Claim
58 words
IN A METHOD OF PREPARING LITHOGRAPHIC PRINTING PLATES, THE STEP COMPRISING DEVELOPING A LIGHT-EXPOSED SURFACE OF SUCH PLATE WITH A LACQUER EMULSION COMPRISING A TWO-PHASE LIQUID COMPOSITION HAVING AN AQUEOUS PHASE COMPRISING AN AQUEOUS DESENSITIZING SOLUTION AND A NONAQUEOUS RESINOUS PHASE COMPRISING AN ESSENTIALLY WATERINSOLUBLE SOLVENT AND A HIGH MOLECULAR WEIGHT PHENOXY RESIN CONTAINING AS A RECURRING STRUCTURE;
References Cited (Backward Citations)
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US3313233A
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US3285745A
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US3387976A
Cited
US3377168A
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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) | 1972-07-14 | 1973-01-13 | 1973-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-14 | 1977-01-13 | 1977-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-14 | 1981-01-13 | 1981-07-15 | $7700.00 | Window Closed / Lapsed |