Patent US3309202A successfully refreshed from Google Patents.
US3309202A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Printing plate coating compositions
Assignee: Union Carbide Corp
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Filing: 1964-09-10
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Granted: 1967-03-14
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Expires: 1984-09-10
Abstract
No abstract record available.
Inventors
- 👤 Julius L Silver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:20
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/038; G03F7/0381; G03F7/04
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
148 words
A COATING COMPOSITION CONSISTING ESSENTIALLY OF (1) AN ASSOCIATION PRODUCT OF A HEAT-FUSIBLE CONDENSATION PRODUCT OF A PHENOL WITH AN ALDEHYDE AND FROM ABOUT 0.2 TO 3.0 PARTS BY WEIGHT OF A WATER SOLUBLE ETHYLENE OXIDE POLYMER HAVING AN AVERAGE MOLECULAR WEIGHT IN THE RANGE OF FROM 50,000 TO ABOUT 10,000,000 PER PART PHENOLIC RESIN, (2) FROM ABOUT 0.006 TO ABOUT 0.05 PART BY WEIGHT PER PART PHENOLIC RESIN OF AN ORGANIC SULFONIC ACID CONTAINING FROM 1 TO 12 CARBON ATOMS INCLUSIVE, (3) FROM ABOUT 0.025 TO ABOUT 0.2 PART BY WEIGHT PER PART PHENOLIC RESIN OF A WATER SOLUBLE, INORGANIC BICHROMATE OF THE FORMULA (M)2CR2O7 WHERE M IS AN ALKALI METAL OR AN AMMONIUM ION, (4) FROM ABOUT 0.025 TO ABOUT 0.13 PART BY WEIGHT PER PART PHENOLIC RESIN OF A POLYHYDRIC PHENOL SELECTED FROM THE GROUP CONSISTING OF PHOLOROGLUCINOL AND RESORCINOL, AND (5) A SUITABLE SOLVENT.
Claim 2
Dependent Claim
148 words
A COATING COMPOSITION CONSISTING ESSENTIALLY OF (1) AN ASSOCIATION PRODUCT OF A HEAT-FUSIBLE CONDENSATION PRODUCT OF A PHENOL WITH AN ALDEHYDE AND FROM ABOUT 0.2 TO 3.0 PARTS BY WEIGHT OF A WATER SOLUBLE ETHYLENE OXIDE POLYMER HAVING AN AVERAGE MOLECULAR WEIGHT IN THE RANGE OF FROM 50,000 TO ABOUT 10,000,000 PER PART PHENOLIC RESIN, (2) FROM ABOUT 0.006 TO ABOUT 0.05 PART BY WEIGHT PER PART PHENOLIC RESIN OF AN ORGANIC SULFONIC ACID CONTAINING FROM 1 TO 12 CARBON ATOMS INCLUSIVE, (3) FROM ABOUT 0.025 TO ABOUT 0.2 PART BY WEIGHT PER PART PHENOLIC RESIN OF A WATER SOLUBLE, INORGANIC BICHROMATE OF THE FORMULA (M)2CR2O7 WHERE M IS AN ALKALI METAL OR AN AMMONIUM ION, (4) FROM ABOUT 0.025 TO ABOUT 0.13 PART BY WEIGHT PER PART PHENOLIC RESIN OF A POLYHYDRIC PHENOL SELECTED FROM THE GROUP CONSISTING OF PHOLOROGLUCINOL AND RESORCINOL, AND (5) A SUITABLE SOLVENT.
Claim 3
Dependent Claim
161 words
A PLANOGRAPHIC PRINTING PLATE BASE COMPRISING A SUBSTRATE HAVING COATED ON AT LEAST ONE OF ITS SURFACES A PHOTOSENSITIZABLE COMPOSITION CONSISTING ESSENTIALLY OF (1) AN ASSOCIATION PRODUCT OF A HET-FUSIBLE CONDENSATION PRODUCT OF A PHENOL WITH AN ALDEHYDE AND FROM ABOUT 0.2 TO 3.0 PARTS BY WEIGHT OF A WATER SOLUBLE ETHYLENE OXIDE POLYMER HAVING AN AVERAGE MOLECULAR WEIGHT IN THE RANGE OF FROM 50,000 TO ABOUT 10,000,000 PER PART PHENOLIC RESIN, (2) FROM ABOUT 0.006 TO ABOUT 0.05 PART BY WEIGHT PER PART PHENOLIC RESIN OF AN ORGANIC SULFONIC ACID CONTAINING FROM 1 TO 12 CARBON ATOMS INCLUSIVE, (3) FROM ABOUT 0.025 TO ABOUT 0.2 PART BY WEIGHT PER PART PHENOLIC RESIN OF A WATER SOLUBLE, INORGANIC BICHROMATE OF THE FORMULA (M)2CR2O7 WHEREIN M IS AN ALKALI METAL OR AN AMMONIUM ION, AND (4) FROM ABOUT 0.025 TO ABOUT 0.13 PART BY WEIGHT PER PART PHENOLIC RESIN OF A POLYHYDRIC PHENOL SELECTED FROM THE GROUP CONSISTING OF PHLOROGLUCINOL AND RESORCINOL.
Claim 4
Dependent Claim
161 words
A PLANOGRAPHIC PRINTING PLATE BASE COMPRISING A SUBSTRATE HAVING COATED ON AT LEAST ONE OF ITS SURFACES A PHOTOSENSITIZABLE COMPOSITION CONSISTING ESSENTIALLY OF (1) AN ASSOCIATION PRODUCT OF A HET-FUSIBLE CONDENSATION PRODUCT OF A PHENOL WITH AN ALDEHYDE AND FROM ABOUT 0.2 TO 3.0 PARTS BY WEIGHT OF A WATER SOLUBLE ETHYLENE OXIDE POLYMER HAVING AN AVERAGE MOLECULAR WEIGHT IN THE RANGE OF FROM 50,000 TO ABOUT 10,000,000 PER PART PHENOLIC RESIN, (2) FROM ABOUT 0.006 TO ABOUT 0.05 PART BY WEIGHT PER PART PHENOLIC RESIN OF AN ORGANIC SULFONIC ACID CONTAINING FROM 1 TO 12 CARBON ATOMS INCLUSIVE, (3) FROM ABOUT 0.025 TO ABOUT 0.2 PART BY WEIGHT PER PART PHENOLIC RESIN OF A WATER SOLUBLE, INORGANIC BICHROMATE OF THE FORMULA (M)2CR2O7 WHEREIN M IS AN ALKALI METAL OR AN AMMONIUM ION, AND (4) FROM ABOUT 0.025 TO ABOUT 0.13 PART BY WEIGHT PER PART PHENOLIC RESIN OF A POLYHYDRIC PHENOL SELECTED FROM THE GROUP CONSISTING OF PHLOROGLUCINOL AND RESORCINOL.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |