Patent US2179700A successfully refreshed from Google Patents.
Patent US3232783A successfully refreshed from Google Patents.
US3232783A
Expired / Lapsed
US
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Resinous coatings adapted to receive a light-sensitive layer in the production of lithographic printing plates
Assignee: Lithoplate Inc
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Filing: 1962-12-21
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Granted: 1966-02-01
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Expires: 1982-12-21
Abstract
No abstract record available.
Inventors
- 👤 Elmer F Deal
- 👤 Isadore M Richlin
- 👤 Bruce W Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:04
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/038; B; B41; B41N; B41N3/00; B41N3/03; B41N3/036; B41C; B41C1/00; B41C1/10; B41C1/1008; B41C1/1016; B41C2210/00; B41C2210/04; B41C2210/14; B41C2210/20; B41C2210/26; B41C2210/262; B41C2210/266; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31627; Y10T428/31678; Y10T428/31688; Y10T428/31942; Y10T428/31949; Y10T428/31957; Y10T428/31964
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A PLATE BASE ADAPTED TO RECEIVE A LIGHT SENSITIVE LAYER TO PROVIDE A PRESENSITIZED LITHOGRAPHIC PLATE, COMPRISING: A BASE MEMBER; AND A COATING THERON FORMED BY APPLYHING TO THE BASE MEMBER (1) A WATER DISPERSIBLE RESIN OF THE CLASS CONSISTING OF AMINE MODIFIED UREA-FORMALDEHYDE RESINS, ALKALI METAL SULFUROUS ACID SALT MODIFIED UREA-FORMALDEHYDE RESINS, ALKYLATED METHYLOL MELAMINE RESINS, AND MELAMINE FORMALDEHYDE-POLYALKYLENEPOLYAMINE RESINS, (2) A WATER SOLUBLE POLYACRYLIC ACID, AND (3) AS A CURING AGENT, A WATER SOLUBLE SALT ALONE AND PROIR TO THE APPLICATION OF SAID LIGHT SENSITIVE LAYER, SAID SALT BEING THAT OF A METAL OF THE CLASS CONSISTING OF ZIRCONIUM, HAFNIUM, TITANIUM AND THORIUM, SAID COATING BEING SUBSTANTIALLY FREE OF UNREACTED SALTS OF SAID METAL.
Claim 2
Dependent Claim
116 words
A PLATE BASE ADAPTED TO RECEIVE A LIGHT SENSITIVE LAYER TO PROVIDE A PRESENSITIZED LITHOGRAPHIC PLATE, COMPRISING: A BASE MEMBER; AND A COATING THERON FORMED BY APPLYHING TO THE BASE MEMBER (1) A WATER DISPERSIBLE RESIN OF THE CLASS CONSISTING OF AMINE MODIFIED UREA-FORMALDEHYDE RESINS, ALKALI METAL SULFUROUS ACID SALT MODIFIED UREA-FORMALDEHYDE RESINS, ALKYLATED METHYLOL MELAMINE RESINS, AND MELAMINE FORMALDEHYDE-POLYALKYLENEPOLYAMINE RESINS, (2) A WATER SOLUBLE POLYACRYLIC ACID, AND (3) AS A CURING AGENT, A WATER SOLUBLE SALT ALONE AND PROIR TO THE APPLICATION OF SAID LIGHT SENSITIVE LAYER, SAID SALT BEING THAT OF A METAL OF THE CLASS CONSISTING OF ZIRCONIUM, HAFNIUM, TITANIUM AND THORIUM, SAID COATING BEING SUBSTANTIALLY FREE OF UNREACTED SALTS OF SAID METAL.
References Cited (Backward Citations)
US2760431A
Cited
US3073723A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |