US3053779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Printing inks containing styrenemaleic anhydride copolymer and carbon black
Assignee: Eastman Kodak Co
•
Filing: 1959-08-17
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Granted: 1962-09-11
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Expires: 1979-08-17
Abstract
No abstract record available.
Inventors
- 👤 William O O'neill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:17
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/02; C09D11/10; C09D11/106; G; G03; G03C; G03C3/00; G03C3/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
A PRINTING INK COMPRISING FROM 5-15% CARBON BLACK, FROM 3-5% OF STYRENE-MALEIC ANHYDRIDE COPOLYMER, FROM 30-60% ETHYL ALCOHOL, FROM 40-60% WATER, 0.74% PARTIALLY SESULFONATED SODIUM LIGNOSULFONATE DISPERSING AGENT, 0.05% SODIUM HYDROXIDE, AND 1.15% AMMONIUM HYDROXIDE.
Claim 2
Dependent Claim
35 words
A PRINTING INK COMPRISING FROM 5-15% CARBON BLACK, FROM 3-5% OF STYRENE-MALEIC ANHYDRIDE COPOLYMER, FROM 30-60% ETHYL ALCOHOL, FROM 40-60% WATER, 0.74% PARTIALLY SESULFONATED SODIUM LIGNOSULFONATE DISPERSING AGENT, 0.05% SODIUM HYDROXIDE, AND 1.15% AMMONIUM HYDROXIDE.
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) | 1965-09-10 | 1966-03-12 | 1966-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-10 | 1970-03-12 | 1970-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-10 | 1974-03-12 | 1974-09-11 | $7700.00 | Window Closed / Lapsed |