US3073723A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resinous coatings adapted to receive a light-sensitive layer in the production of lithographic printing plates
Assignee: Lithoplate Inc
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Filing: 1958-10-03
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Granted: 1963-01-15
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Expires: 1978-10-03
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
2026-10-24 18:34
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
125 words
A PLATE BASE ADAPTED TO RECEIVE A LIGHT SENSITIVE LAYER TO PROVIDE A PRESENSITIZED LITHOGRAPHIC PLATE, COMPRISING: A BASE MEMBER; AND A COATING THEREON FORMED BY APPLYING TO THE BASE MEMBER (1) A WATER DISPERSIBLE RESIN OF THE CLASS CONSISTING OF AMINE MODIFIED UREAFORMALDEHYE RESINS, ALKALI METAL SULFUROUS ACID SALT MODIFIED UREA-FORMALDEHYDE RESINS, ALKYLATED METHYLOL MELAMINE RESINS, AND MELAMINE-FORMALDEHYDE-POLYALKYLENEPOLYAMINE RESINS, (2) A WATER DISPERSIBLE MEMBER OF THE CLASS CONSISTING OF POLYHYSROXY ORGANIC COMPOUNDS AND POLYCARBOXY COMPOUNDS, AND (3) AS A CURING AGENT, A WATER SOLUBLE SALT ALONE AND PRIOR TO THE APPLICATION OF SAID LIGHT SENSITIVE LAYER, SAID SALT BEING THAT OF A METAL OF THE CLASS CONSISTING OF ZIRCOMIUM, HAFNIUM TITANIUM AND THORIUM, SAID COATING BEING SUBSTANTIALLY FREE OF UNREACTED SALTS OF SAID METAL.
Claim 2
Dependent Claim
125 words
A PLATE BASE ADAPTED TO RECEIVE A LIGHT SENSITIVE LAYER TO PROVIDE A PRESENSITIZED LITHOGRAPHIC PLATE, COMPRISING: A BASE MEMBER; AND A COATING THEREON FORMED BY APPLYING TO THE BASE MEMBER (1) A WATER DISPERSIBLE RESIN OF THE CLASS CONSISTING OF AMINE MODIFIED UREAFORMALDEHYE RESINS, ALKALI METAL SULFUROUS ACID SALT MODIFIED UREA-FORMALDEHYDE RESINS, ALKYLATED METHYLOL MELAMINE RESINS, AND MELAMINE-FORMALDEHYDE-POLYALKYLENEPOLYAMINE RESINS, (2) A WATER DISPERSIBLE MEMBER OF THE CLASS CONSISTING OF POLYHYSROXY ORGANIC COMPOUNDS AND POLYCARBOXY COMPOUNDS, AND (3) AS A CURING AGENT, A WATER SOLUBLE SALT ALONE AND PRIOR TO THE APPLICATION OF SAID LIGHT SENSITIVE LAYER, SAID SALT BEING THAT OF A METAL OF THE CLASS CONSISTING OF ZIRCOMIUM, HAFNIUM TITANIUM AND THORIUM, SAID COATING BEING SUBSTANTIALLY FREE OF UNREACTED SALTS OF SAID METAL.
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) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |