US3563749A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light-sensitive reproduction material
Assignee: Kalle GmbH and Co KG
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Filing: 1966-11-07
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Granted: 1971-02-16
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Expires: 1986-11-07
Abstract
Abstract LIGHT-SENSITIVE REPRODUCTION MATERIAL USEFUL IN PREPARING NEGATIVE COPIES AND LIGHOGRAPHIC PLATES BY MEANS OF AQUEOUS DEVELOPMENT METHODS IS FORMED BY COATING A SUITABLE SUPPORT WITH A COMPOSITION WHICH INCLUDES AN N-VINYL COMPOUND, A HALOGENATED HYDROCARBON WHICH SPLITS OFF HALOGEN WHEN EXPOSED TO LIGHT, AND A MEROCYANINE DYE. LIGHT-EXPOSED AREAS OF THE MATERIAL ARE HYDROPHOBIC IN NATURE, READILY ACCEPT PRINTING INKS, AND PROVIDING FOR GOOD QUALITY, LONG RUN LITHOGRAPHIC PRINTING.
Inventors
- 👤 Johannes Munder
- 👤 Ernst-August Hackmann
- 👤 Roland Moraw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:52
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/675; C; C09; C09B; C09B23/00; C09B23/0075; G03F; G03F7/00; G03F7/004; G03F7/027; G03F7/028; G03F7/029; G03F7/0295; Y; Y10; Y10S; Y10S430/00; Y10S430/1053; Y10S430/1055; Y10S430/106; Y10S430/114; Y10S430/116; Y10S430/12; Y10S430/121; Y10S430/122; Y10S430/123; Y10S430/124; Y10S430/125; Y10S430/126
Claims Analysis
Total Claims: 0
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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) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |