US3326685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lithographic process using a stop bath
Assignee: Eastman Kodak Co
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Filing: 1964-04-27
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Granted: 1967-06-20
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Expires: 1984-04-27
Abstract
No abstract record available.
Inventors
- 👤 Thomas I Abbott
- 👤 Edward C Yackel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:11
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/06; G03C; G03C5/00; G03C5/26; G03C5/268; G03F7/063
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
A CONCENTRATED PHOTOGRAPHIC STOP BATH FOR USE WITH LITHOGRAPHIC PRINTING PLATES COMPRISING ABOUT 16-40% BY WEIGHT NORBORNYLENE GYLCOL AND ABOUT 8-13% BY WEIGHT OF AN ACID HAVING A DISSOCIATION CONSTANT OF ABOUT 1X10**-2 TO 1X10**-5.
Claim 2
Dependent Claim
35 words
A CONCENTRATED PHOTOGRAPHIC STOP BATH FOR USE WITH LITHOGRAPHIC PRINTING PLATES COMPRISING ABOUT 16-40% BY WEIGHT NORBORNYLENE GYLCOL AND ABOUT 8-13% BY WEIGHT OF AN ACID HAVING A DISSOCIATION CONSTANT OF ABOUT 1X10**-2 TO 1X10**-5.
References Cited (Backward Citations)
US3146104A
Cited
US3146105A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-19 | 1970-12-19 | 1971-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-19 | 1974-12-19 | 1975-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-19 | 1978-12-19 | 1979-06-20 | $7700.00 | Window Closed / Lapsed |