US2724665A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Starch-coated paper-base masters for planographic printing
Assignee: Warren SD Co
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Filing: 1953-04-17
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Granted: 1955-11-22
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Expires: 1973-04-17
Abstract
No abstract record available.
Inventors
- 👤 Raymond L Oransky
- 👤 Doggett Towers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:53
CPC Classifications
B; B41; B41C; B41C1/00; B41C1/10; B41C1/1091; B41N; B41N3/00; B41N3/03; B41N3/036; D; D21; D21H; D21H19/00; D21H19/36; D21H19/44; D21H19/54; D21H19/62
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A PLANOGRAPHIC PRINTING PLATE COMPRISING A PAPER BASE AND A WATER-INSOLUBLE COATING THEREON PRESENTING A PLANOGRAPHIC PRINTING SURFACE, SAID COATING CONSISTING ESSENTIALLY OF FINELY DIVIDED MINERAL PIGMENT AND A WATERINSOLUBLE HYDROPHILIC ADHESIVE COMPONENT COMPRISING THE REACTION PRODUCT OF HYDROXYALKYL ETHER OF STARCH AND AN AMINO-ALDEHYDE RESIN, THE RATIO OF SAID PIGMENT, HYDROXYALKYL ETHER OF STARCH AND AN AMINO-ALDEHYDE RESIN BEING FROM ABOUT 25% TO ABOUT 75% OF THE HYDROXYALKYL ETHER OF STARCH BASED UPON THE WEIGHT OF THE PIGMENT, AND FROM ABOUT 25% TO ABOUT 100% OF THEAMINO-ALDEHYDE RESIN BASED UPON THE WEIGHT OF THE HYDROXYALKYL ETHER OF STARCH.
Claim 2
Dependent Claim
99 words
A PLANOGRAPHIC PRINTING PLATE COMPRISING A PAPER BASE AND A WATER-INSOLUBLE COATING THEREON PRESENTING A PLANOGRAPHIC PRINTING SURFACE, SAID COATING CONSISTING ESSENTIALLY OF FINELY DIVIDED MINERAL PIGMENT AND A WATERINSOLUBLE HYDROPHILIC ADHESIVE COMPONENT COMPRISING THE REACTION PRODUCT OF HYDROXYALKYL ETHER OF STARCH AND AN AMINO-ALDEHYDE RESIN, THE RATIO OF SAID PIGMENT, HYDROXYALKYL ETHER OF STARCH AND AN AMINO-ALDEHYDE RESIN BEING FROM ABOUT 25% TO ABOUT 75% OF THE HYDROXYALKYL ETHER OF STARCH BASED UPON THE WEIGHT OF THE PIGMENT, AND FROM ABOUT 25% TO ABOUT 100% OF THEAMINO-ALDEHYDE RESIN BASED UPON THE WEIGHT OF THE HYDROXYALKYL ETHER OF STARCH.
References Cited (Backward Citations)
US2297698A
Cited
US2622997A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-21 | 1959-05-23 | 1959-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-21 | 1963-05-23 | 1963-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-21 | 1967-05-23 | 1967-11-22 | $7700.00 | Window Closed / Lapsed |